0000950170-22-003377 | 10-K | XBRL Viewer

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ 24,844	$ (9,990)	$ 9,570
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	9,390	9,879	8,572
Impairment of property and equipment	0	1,098	0
Amortization of intangible assets	15,129	19,683	22,619
Net gains from investments	0	(2,472)	(45)
Deferred income taxes	(275)	(1,677)	(3,957)
Stock-based compensation	10,070	10,877	11,684
Operating lease right-of-use assets, amortization, and impairments	11,415	13,397	12,592
Amortization of deferred financing fees	920	981	968
Amortization of discount on investments	(65)	0	0
Foreign currency losses	(1,439)	(582)	(933)
Changes in assets and liabilities, net of businesses acquired
Accounts receivable	3,898	234	3,696
Deferred commissions	(6,010)	(3,299)	(4,643)
Prepaid expenses and other current assets	1,283	423	3,697
Accounts payable	201	109	278
Accrued expenses and other liabilities	20,426	297	4,421
Deferred revenue	(36,007)	925	(15,508)
Operating lease liabilities	(11,373)	(10,577)	10,953
Net cash provided by operating activities	107,067	47,754	48,406
Cash flows from investing activities:
Acquisitions, net of cash acquired	0	0	(237,684)
Purchases of property and equipment	(10,745)	(8,905)	(11,890)
Purchases of marketable investments	(21,607)	0	0
Proceeds from maturities of marketable investments	2,000	0	0
Proceeds from sales of marketable investments	1,000	0	0
Other investing activity	56	4,335	(29)
Net cash provided by (used in) investing activities	(29,296)	(4,570)	249,545
Cash flows from financing activities:
Proceeds from borrowings, net of costs	0	0	171,275
Payments on borrowings	(34,375)	(23,375)	(42,250)
Payment of debt issuance costs	(494)	0	(857)
Deferred acquisition payments	0	(3,112)	2,799
Repurchases of common stock	(20,066)	0	0
Proceeds from issuance of common stock under employee equity incentive plans	9,165	5,706	6,327
Taxes paid for net share settlements of stock-based compensation awards	(3,373)	(2,906)	(2,258)
Net cash provided by (used in) financing activities	(49,143)	(23,687)	129,438
Effect of exchange rate changes on cash, cash equivalents and restricted cash	1,249	1,963	597
Net increase (decrease) in cash, cash equivalents and restricted cash	27,379	21,460	(71,104)
Cash, cash equivalents and restricted cash, beginning of year	90,652	69,192	140,296
Cash, cash equivalents and restricted cash, end of year	118,031	90,652	69,192
Supplemental disclosure of cash flow information:
Cash paid for interest	3,279	4,373	7,003
Cash paid for income taxes	$ 9,815	$ 3,194	$ 4,433

Leases - Summary of Lease Balances (Detail) - USD ($)
$ in Thousands

Dec. 31, 2021

Dec. 31, 2020

Leases [Abstract]

Operating lease ROU assets

$ 65,009

$ 69,296

Short-term operating lease liabilities

$ 12,992

^[1]

$ 11,972

Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]

Accrued expenses and other current liabilities

Non-current operating lease liabilities

$ 65,038

$ 70,323

Total operating lease liabilities

$ 78,030

[1]	Included in accrued expenses and other current liabilities in the Consolidated Balance Sheets.

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2018
Income Taxes [Line Items]
Long-term net deferred tax liabilities		$ 19,877	$ 19,954
Operating loss carryforwards related to a prior acquisition		3,400
U.S. federal and state capital loss carryforwards		1,200
Valuation allowance	$ 2,274	1,114	1,237	$ 2,574
Unremitted earnings		34,900
Unrecognized tax benefits	345	5	28	$ 799
Income tax expense to settle a foreign tax audit	$ 300
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Operating loss carryforwards		26,200
Other Assets [Member]
Income Taxes [Line Items]
Long-term net deferred tax assets		1,500	1,600
Non-current Liabilities [Member]
Income Taxes [Line Items]
Long-term net deferred tax liabilities		$ 21,300	$ 21,500

Consolidated Statement of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2018	$ 151,600		$ 230	$ 200,696	$ 127,717		$ (171,889)	$ (5,154)
Beginning Balance, Shares at Dec. 31, 2018			22,951				4,631
Issuance of common stock under stock plans, including tax effects	4,077		$ 3	4,074
Issuance of common stock under stock plans, including tax effects, Shares			324
Stock-based compensation expense	11,684			11,684
Net income (loss)	(9,570)				9,570
Net change in interest rate swap, net of tax	(104)							(104)
Foreign currency translation	401							401
Ending Balance at Dec. 31, 2019	158,088		$ 233	216,454	118,147		$ (171,889)	(4,857)
Ending Balance, Shares at Dec. 31, 2019			23,275				4,631
Issuance of common stock under stock plans, including tax effects	2,800		$ 3	2,797
Issuance of common stock under stock plans, including tax effects, Shares			373
Stock-based compensation expense	10,877			10,877
Net income (loss)	9,990				9,990
Net change in interest rate swap, net of tax	(717)							(717)
Foreign currency translation	4,884							4,884
Ending Balance at Dec. 31, 2020	185,766		$ 236	230,128	127,981		$ (171,889)	(690)
Ending Balance (ASU No. 2016-13 [Member]) at Dec. 31, 2020		$ (156)				$ (156)
Ending Balance, Shares at Dec. 31, 2020			23,648				4,631
Issuance of common stock under stock plans, including tax effects	5,792		$ 5	5,787
Issuance of common stock under stock plans, including tax effects, Shares			437
Stock-based compensation expense	10,070			10,070
Repurchases of common stock	(20,066)						$ 20,066
Repurchase of common stock, Shares							396
Net income (loss)	24,844				24,844
Net change in interest rate swap, net of tax								609
Net change in interest rate swap, net of tax \| ASU No. 2016-13 [Member]		$ 609
Net change in marketable investments, net of tax	(25)							(25)
Foreign currency translation	(3,083)							(3,083)
Ending Balance at Dec. 31, 2021	$ 203,907		$ 241	$ 245,985	$ 152,825		$ (191,955)	$ (3,189)
Ending Balance, Shares at Dec. 31, 2021			24,085				5,027

Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, Beginning Balance	$ 28	$ 345	$ 799
Reductions for tax positions of prior years	(24)	(344)	(458)
Translation adjustments	1	27	(4)
Unrecognized tax benefits, Ending Balance	$ 5	$ 28	$ 345

Acquisitions (Tables) - SiriusDecisions, Inc [Member]

12 Months Ended

Dec. 31, 2021

Summary of Fair Value of Aggregate Consideration Paid or Payable

The following table summarizes the fair value of the aggregate consideration paid for SiriusDecisions (in thousands):


Cash paid at close (1)	$	246,801
Working capital adjustment (2)		(1,259	)
Total	$	245,542

(1)

The cash paid at close represents the gross contractual amount paid. Net cash paid, which accounts for the cash acquired of $7.9 million and the working capital adjustment of $1.3 million, was $237.7 million and is reflected as an investing activity in the Consolidated Statements of Cash Flows.

(2)

Amount represents the final amount receivable from the sellers based upon working capital as defined, which was received in 2019.

Summary of Allocation of Purchase Price to Fair Value of Assets Acquired and Liabilities Assumed

The following table summarizes the allocation of the purchase price to the fair value of the assets acquired and liabilities assumed for the acquisition of SiriusDecisions (in thousands):


Assets:
Cash and cash equivalents	$	7,858
Accounts receivable		19,237
Prepaids and other current assets		3,660
Property and equipment		4,169
Goodwill (1)		158,569
Intangible assets (2)		115,000
Other assets		418
Total assets		308,911
Liabilities:
Accounts payable and other current liabilities		8,924
Deferred revenue		26,143
Deferred tax liability		26,226
Long-term deferred revenue		1,037
Other long-term liabilities		1,039
Total liabilities		63,369
Net assets acquired	$	245,542

(1)

Goodwill represents the expected revenue and cost synergies from combining SiriusDecisions with Forrester as well as the value of the acquired workforce.

(2)

All of the intangible assets are finite-lived. The determination of the fair value of the finite-lived intangible assets required management judgment and the consideration of a number of factors. In determining the fair values, management primarily relied on income valuation methodologies, in particular discounted cash flow models, and replacement cost valuation methodologies. The discounted cash flow models required the use of estimates, including projected cash flows related to the particular asset, the useful lives of the particular assets, the selection of royalty and discount rates used in the models, and certain published industry benchmark data. The replacement cost methodology required the use of estimates in determining the costs to replace the assets and the amount of obsolescence existing at the time of the acquisition. In establishing the estimated useful lives of the acquired intangible assets, the Company relied primarily on the duration of the cash flows utilized in the valuation model. Of the $115.0 million assigned to intangible assets, $13.0 million was assigned to the technology asset class with useful lives of 1 to 8 years (with a weighted average amortization period of 3.2 years), $13.0 million to backlog with a useful life of 2 years, $77.0 million to customer relationships with a useful life of 9.25 years, and $12.0 million to trademarks with an original useful life of 15.5 years. The weighted-average amortization period of all intangible assets was originally 8.4 years.

Schedule of Unaudited Pro Forma Financial Information


	Years Ended
	December 31,
	2019		2018
Pro forma total revenue	$	472,810	$	438,049
Pro forma net income (loss)	$	733	$	(10,069	)

Acquisitions - Summary of Allocation of Purchase Price to Fair Value of Assets Acquired and Liabilities Assumed (Parenthetical) (Detail) - SiriusDecisions, Inc [Member] $ in Thousands	Jan. 03, 2019 USD ($)
Business Acquisition [Line Items]
Intangible assets	$ 115,000
Intangible assets, Useful life	8 years 4 months 24 days
Technology Asset Class [Member]
Business Acquisition [Line Items]
Intangible assets	$ 13,000
Intangible assets, Useful life	3 years 2 months 12 days
Technology Asset Class [Member] \| Minimum [Member]
Business Acquisition [Line Items]
Intangible assets, Useful life	1 year
Technology Asset Class [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Intangible assets, Useful life	8 years
Backlog [Member]
Business Acquisition [Line Items]
Intangible assets	$ 13,000
Intangible assets, Useful life	2 years
Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets	$ 77,000
Intangible assets, Useful life	9 years 3 months
Trademarks [Member]
Business Acquisition [Line Items]
Intangible assets	$ 12,000
Intangible assets, Useful life	15 years 6 months

Derivatives and Hedging - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivatives Fair Value [Line Items]
Derivative maturity year	2022
Derivative asset			$ 0
Derivative liabilities			0
Interest Rate Swap [Member]
Derivatives Fair Value [Line Items]
Derivative notional amount	$ 39,100,000		$ 95,000,000.0
Derivative fixed interest rate	1.65275%
Negative fair value of derivative	$ 200,000
Other comprehensive loss, net of taxes, to be reclassified into earnings within the next 12 months	$ 200,000
Interest Rate Swap [Member] \| Minimum [Member]
Derivatives Fair Value [Line Items]
Derivative receive rate	0.00%
Interest Rate Swap [Member] \| Other Non Current Liabilities [Member]
Derivatives Fair Value [Line Items]
Fair value of liabilities	$ 300,000
Interest Rate Swap [Member] \| LIBOR [Member]
Derivatives Fair Value [Line Items]
Derivative basis rate	0.0625%	0.0625%

Certain Balance Sheet Accounts - Summary of Accrued Expenses and Other Current Liabilities (Detail) - USD ($)
$ in Thousands

Dec. 31, 2021

Dec. 31, 2020

Payables and Accruals [Abstract]

Payroll and related benefits

$ 61,979

$ 43,575

Taxes

4,731

8,324

Short-term operating lease liabilities

12,992

^[1]

11,972

Other

18,098

12,749

Total

$ 97,800

$ 76,620

[1]	Included in accrued expenses and other current liabilities in the Consolidated Balance Sheets.

Stockholders' Equity - Additional Information (Detail) - USD ($)	1 Months Ended		12 Months Ended
	Dec. 31, 2021	May 31, 2018	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2012	Oct. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, shares authorized	500,000		500,000	500,000
Preferred stock, par value	$ 0.01		$ 0.01	$ 0.01
Authorized to purchase of common stock under the stock repurchase program	$ 585,000,000.0		$ 585,000,000.0
Cumulative repurchase of common stock	16,700,000		16,700,000
Aggregate cost of repurchase of common stock			$ 494,900,000
Aggregate dividend declared for the year			$ 0
Option Outstanding and vested	114,000		114,000	292,000
Common stock, par value	$ 0.01		$ 0.01	$ 0.01
Stock options granted			0	0	0
Additional Authorized							$ 50,000,000.0
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Future awards granted or issued under plans	200,000		200,000
Hours of work per week		20 hours
Duration of purchase periods under employee stock purchase plan	6 months
Holding period of stocks acquired under employee stock purchase plan	1 year
Value used to derive maximum number of shares per participant for employee stock purchase	$ 12,500
Employee maximum elected percentage reduction of compensation to purchase shares	10.00%		10.00%
Exercise price rate of fair value	85.00%
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value for RSUs granted			$ 46.64	$ 35.15	$ 43.84
Number of shares received per restricted stock unit on lapse of restrictions and vesting condition met			1
Value of RSUs vested and converted to common stock			$ 11,500,000	$ 10,000,000.0	$ 8,200,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised			$ 2,200,000	$ 500,000	$ 1,500,000
Equity Incentive Plan [Member] \| Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized						6,350,000
Shares returned						793,275
Option expiration period			10 years
Future awards granted or issued under plans	1,700,000		1,700,000
Option Outstanding and vested	0		0
Equity Incentive Plan [Member] \| Equity Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options vested period			4 years
Equity Incentive Plan [Member] \| Equity Plan [Member] \| Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Future awards granted or issued under plans	0		0
Equity Incentive Plan [Member] \| Equity Plan [Member] \| Non-Employee Directors [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options vested period			1 year

Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Summary of Company's Total Outstanding Borrowings

The following table summarizes the Company’s total outstanding borrowings as of the dates indicated (in thousands):


Description:	December 31, 2021		December 31, 2020
Term loan facility	$	—	$	109,375
Revolving credit facility (1) (2)		75,000		—
Principal amount outstanding (3)		75,000		109,375
Less: Deferred financing fees		—		(1,576	)
Net carrying amount	$	75,000	$	107,799

(1)

The contractual annualized interest rate as of December 31, 2021 on the Revolving Credit Facility was 1.625%, which consisted of LIBOR of 0.125% plus a margin of 1.5%. However, the Company has an interest rate swap contract that effectively converts the floating LIBOR base rates on a portion of the amounts outstanding to a fixed base rate. Refer to Note 7 – Derivatives and Hedging for further information on the swap.

(2)

The Company had $74.2 million of available borrowing capacity on the Revolving Credit Facility (not including the expansion feature) as of December 31, 2021.

(3)

The weighted average annual effective rate on the Company's total debt outstanding for the years ended December 31, 2021 and 2020 was 2.1% and 2.73%, respectively.

Summary of Significant Accounting Policies - Additional Information1 (Detail)	Dec. 31, 2021
Maximum [Member] \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01
Summary Of Significant Accounting Policy [Line Items]
Performance obligation, revenue expected to be recognized	24 months

Leases - Summary of Future Minimum Lease Payments Under Non-Cancellable Leases (Detail) $ in Thousands	Dec. 31, 2021 USD ($)
Leases [Abstract]
2022	$ 16,607
2023	16,548
2024	16,187
2025	14,234
2026	12,115
Thereafter	14,871
Total lease payments	90,562
Less imputed interest	(12,532)
Operating lease liabilities	78,030
2022	839
2023	606
2024	625
2025	0
2026	0
Thereafter	0
Total lease payments	$ 2,070

Income Taxes - Reconciliation of the Federal Statutory Rate (Detail)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax provision at federal statutory rate	21.00%	21.00%	21.00%
Increase (decrease) in tax resulting from:
State tax provision, net of federal benefit	3.80%	2.60%	8.30%
Foreign tax rate differential	(0.40%)	0.20%	(0.40%)
Stock option compensation	0.40%	(5.70%)	(1.20%)
Withholding taxes	1.30%	(3.30%)	3.50%
Non-deductible expenses	0.00%	(2.20%)	9.80%
Change in valuation allowance	(0.00%)	5.80%	2.30%
Foreign subsidiary income subject to U.S. tax	(0.50%)	(4.30%)	(7.40%)
Change in tax legislation	(0.003)	(0.019)	(0.0012)
Audit settlements	0.00%	(0.00%)	(8.30%)
Other, net	0.60%	(0.20%)	(0.30%)
Effective tax rate	25.10%	22.80%	0.30%

Operating Segment and Enterprise Wide Reporting - Schedule of Net Long-lived Tangible Assets by Location (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Revenues From External Customers And Long Lived Assets [Line Items]
Net long-lived tangible assets	$ 93,254	$ 96,328
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Net long-lived tangible assets	76,966	87,126
United Kingdom [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Net long-lived tangible assets	10,667	1,216
Europe (Excluding United Kingdom) [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Net long-lived tangible assets	316	667
Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Net long-lived tangible assets	$ 5,305	$ 7,319

Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Basis of Presentation

Forrester Research, Inc. is a global independent research and advisory firm. The Company helps leaders across technology, customer experience, marketing, sales and product functions use customer obsession to accelerate growth. Through Forrester’s proprietary research, consulting, and events, leaders from around the globe are empowered to be bold at work, navigate change, and put their customers at the center of their leadership, strategy, and operations. The Company’s unique insights are grounded in annual surveys of more than 700,000 consumers, business leaders, and technology leaders worldwide, rigorous and objective research methodologies, over 70 million real-time feedback votes, and the shared wisdom of our clients.

The accompanying consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for reporting on Form 10-K. The Company’s fiscal year is the twelve months from January 1 through December 31 and all references to 2021, 2020, and 2019 refer to the fiscal year unless otherwise noted.

Principles of Consolidations

The accompanying consolidated financial statements include the accounts of Forrester and its wholly-owned subsidiaries. All intercompany transactions and balances have been eliminated in consolidation.

Reclassification

Effective for the first quarter of 2021, the Company modified its key metrics, as further described in Item 7. Management’s Discussions and Analysis of Financial Condition and Results of Operations. As part of these changes, beginning January 1, 2021, the Company is classifying all components of its subscription research products within the Research revenues financial statement line on the Consolidated Statements of Operations. In prior periods, the separate advisory session performance obligations included in any of the Company’s subscription research products were classified within the Consulting revenues financial statement line. Prior periods have been reclassified to conform to the current presentation which resulted in approximately $7.1 million and $5.1 million of revenue being reclassified from Consulting revenues to Research revenues during the years ended December 31, 2020 and 2019, respectively. This reclassification had no impact on the amount of total revenues previously reported.

Management Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Forrester considers the more significant of these estimates to be revenue recognition, valuation of goodwill, intangible and other long-lived assets and acquired assets and liabilities from business combinations, ongoing impairment reviews of goodwill, intangible and other long-lived assets, and income taxes. On an ongoing basis, management evaluates its estimates. Actual results could differ from these estimates.

Liquidity and Impact of COVID-19

The COVID-19 pandemic significantly affected the Company beginning in March 2020 primarily through lower contract bookings and a reduction in revenues from the conversion of the Company's events from in-person events to virtual events. While the duration and severity of the pandemic is uncertain, the Company did experience a rebound in contract bookings in the fourth quarter of 2020 and continuing through all of 2021. The Company's Events business continues to be negatively affected by the pandemic. All events held in 2021 have been held as virtual events. The Company intends to hold its events during 2022 as hybrid events, consisting of both in-person and virtual experiences, to the extent that conditions in the jurisdictions where the Company holds the events will allow for in-person events in 2022. The extent to which the COVID-19 pandemic ultimately impacts the Company’s business, financial condition, results of operations, cash flows, and liquidity may differ from the Company’s current estimates due to inherent uncertainties regarding the duration and further spread of the outbreak, its severity, actions taken to contain the virus or treat its impact, and how quickly and to what extent normal economic and operating conditions can resume.

As of December 31, 2021, the Company is in compliance with its financial covenants under its credit agreement (refer to Note 5 – Debt). The Company currently forecasts that it will be in compliance with its financial covenants for at least one year from the

issuance of these financial statements. If the impact of COVID-19 is more severe than currently forecasted this may impact the Company’s ability to comply with its financial covenants which could have a material adverse effect on the Company.

Adoption of New Accounting Pronouncements

The Company adopted the guidance in the Financial Accounting Standards Board’s (“FASB”) Accounting Standards Update (“ASU”) No. 2019-12, Income Taxes – Simplifying the Accounting for Income Taxes on January 1, 2021. The standard provides guidance to simplify the accounting for income taxes in certain areas, changes the accounting for select income tax transactions, and makes other minor improvements. The adoption of this standard did not have a material impact on the Company’s financial position or results of operations.

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments. The standard and its related amendments (collectively “Topic 326”) modifies the existing financial instrument incurred loss impairment model by requiring entities to use a forward-looking approach based on expected losses and to consider a broader range of reasonable and supportable information to estimate credit losses on certain types of financial instruments, including accounts receivable. On January 1, 2020, the Company adopted Topic 326 using the modified retrospective method in which prior periods are not adjusted and the cumulative effect of applying the standard is recorded at the date of initial application. The Company recorded a cumulative effect adjustment of $0.2 million to decrease retained earnings as a result of adopting the standard.

The allowance for expected credit losses on accounts receivable for the twelve months ended December 31, 2020 and adoption impact is summarized in Note 14 - Certain Balance Sheet Accounts.

When evaluating the adequacy of the allowance for expected credit losses, the Company makes judgments regarding the collectability of accounts receivable based, in part, on the Company’s historical loss rate experience, customer concentrations, management’s expectations of future losses as informed by current economic conditions, and changes in customer payment terms. If the expected financial condition of the Company’s customers were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required. If the expected financial condition of the Company’s customers were to improve, the allowances may be reduced accordingly.

The Company adopted the guidance in ASU No. 2017-04, Intangibles-Goodwill and Other: Simplifying the Test for Goodwill Impairment on January 1, 2020. The new standard simplifies the subsequent measurement of goodwill by eliminating Step 2 from the goodwill impairment test and requires that instead, an entity should perform its goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. The adoption of this standard did not impact the Company’s financial position or results of operations.

The Company adopted the guidance in ASU No. 2018-13, Fair Value Measurement Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement on January 1, 2020. The new standard modifies the disclosure requirements for fair value measurements under Topic 820, Fair Value Measurement, including changes to transfers between fair value levels, and Level 3 fair value measurements. Changes required upon adoption of this standard are included in Note 8 – Fair Value Measurements and did not impact the Company’s financial position or results of operations.

The Company adopted the guidance in ASU No. 2018-15, Intangibles-Goodwill and Other-Internal-Use Software: Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract on January 1, 2020 using the prospective method. The new standard aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The adoption of this standard did not have a material impact on the Company’s financial position or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). The standard requires lessees to recognize the assets and liabilities from leases on the balance sheet and disclose qualitative and quantitative information about the lease arrangements. Lessor accounting is largely unchanged. Leases are classified as either financing or operating, with classification affecting the pattern of expense recognition in the income statement. In July 2018, the FASB issued ASU 2018-11, Leases (Topic 842): Targeted Improvements, which allowed for an additional adoption method, and for lessors, provides a practical expedient for the separation of lease and non-lease components within a contract.

On January 1, 2019, the Company adopted Topic 842 using the modified retrospective method in which prior periods are not adjusted and the cumulative effect of applying the standard is recorded at the date of initial application. Adoption of the standard did not result in the Company recording a cumulative effect adjustment. The effect of adopting Topic 842 included recording operating lease right-of-use (“ROU”) assets of $53.3 million, operating lease liabilities of $60.8 million, and the elimination of deferred rent of $7.5 million. Adoption of the standard did not have a material impact on the Company’s results of operations or cash flows.

The Company elected the package of practical expedients permitted under Topic 842 which allows the carry forward of the historical lease classification for all leases that existed as of the adoption date. In addition, the Company elected to exempt short term leases from recognition of ROU assets and lease liabilities and elected not to separate lease and non-lease components within its leases.

Fair Value Measurements

The carrying amounts reflected in the Consolidated Balance Sheets for cash, certain cash equivalents, accounts receivable, accounts payable, and accrued expenses approximate fair value due to their short-term maturities. The Company’s financial instruments also include its outstanding variable-rate borrowings (refer to Note 5 – Debt). The Company believes that the carrying amount of its variable-rate borrowings reasonably approximate their fair values because the rates of interest on those borrowings reflect current market rates of interest.

Additionally, the Company has certain financial assets and liabilities recorded at fair value at each balance sheet date, including cash equivalents, marketable investments, and a derivative contract for an interest rate swap, in accordance with the accounting standards for fair value measurements. Refer to Note 8 – Fair Value Measurements for the Company’s fair value disclosures.

Cash, Cash Equivalents, and Marketable Investments

Forrester considers all short-term, highly liquid investments with original maturities at the time of purchase of 90 days or less to be cash equivalents.

The Company’s portfolio of investments may at any time include securities of U.S. government agencies, municipal notes and bonds, corporate notes and bonds, commercial paper, and money market funds. Forrester accounts for all marketable investments as available-for-sale securities and as such, the marketable investments are carried at fair value with unrealized gains and losses (not related to credit losses) recorded in accumulated other comprehensive loss in the Consolidated Balance Sheets. Realized gains and losses on securities are included in earnings and are determined using the specific identification method. The Company conducts periodic reviews to identify and evaluate each investment that has an unrealized loss, in accordance with the meaning of other-than-temporary impairment and its application to certain investments, as required under the accounting standards. Unrealized losses on available-for-sale securities that are determined to be temporary, and not related to credit loss, are recorded, net of tax, in accumulated other comprehensive loss. During the year ended December 31, 2021, the Company did not record any other-than-temporary impairment losses on its available-for-sale securities. The Company did not own any marketable investments during the years ended December 31, 2020 and 2019.

The Company did not realize any gains or losses from sales of the Company's available-for-sale securities during the year ended December 31, 2021.

Presentation of Restricted Cash

The following table summarizes the end-of-period cash and cash equivalents from the Company's Consolidated Balance Sheets and the total cash, cash equivalents and restricted cash as presented in the accompanying Consolidated Statements of Cash Flows (in thousands).


	For the Year Ended December 31,
	2021		2020
Cash and cash equivalents	$	115,769	$	90,257
Restricted cash classified in (1):
Prepaid expenses and other current assets		—		395
Other assets		2,262		—
Cash, cash equivalents and restricted cash shown in statement of cash flows	$	118,031	$	90,652

(1)

Restricted cash consists of collateral required for leased office space, and for the year ended December 31, 2020, also included an amount for credit card processing outside of the U.S. The short-term or long-term classification regarding the collateral for the leased office space is determined in accordance with the expiration of the underlying leases.

Concentrations of Credit Risk

Financial instruments that potentially subject Forrester to concentrations of credit risk are principally cash, cash equivalents, accounts receivable, an interest rate swap contract, and foreign currency forward exchange contracts. The Company limits its risk exposure by having its cash, cash equivalents, interest rate swap and foreign currency forward exchange contracts with large

commercial banks and by diversifying counterparties. No single customer accounted for greater than 3% of revenues or 2% of accounts receivable in any of the periods presented.

Forrester does not have any off-balance sheet arrangements.

Business Acquisitions

Forrester accounts for business combinations in accordance with the acquisition method of accounting as prescribed by FASB ASC Topic 805, Business Combinations. The acquisition method of accounting requires the Company to record the assets acquired and liabilities assumed based on their estimated fair values as of the acquisition date, with any excess of the consideration transferred over the estimated fair value of the net assets acquired, including identifiable intangible assets, to be recorded to goodwill.

In 2019, Forrester acquired SiriusDecisions, Inc. Refer to Note 2 – Acquisitions for further information on this acquisition.

Goodwill

Goodwill represents the excess of the purchase price of acquired businesses over the estimated fair values of the tangible and identifiable intangible net assets acquired. Goodwill is not amortized; however, it is required to be tested for impairment annually, which requires assessment of the potential impairment at the reporting unit level. Reporting units are determined based on the components of the Company's operating segments that constitute a business for which financial information is available and for which operating results are regularly reviewed by segment management. Testing for impairment is also required on an interim basis if an event or circumstance indicates it is more likely than not an impairment loss has been incurred. When performing an impairment assessment, the Company either uses a qualitative assessment, to determine if it is more likely than not that the estimated fair value of any reporting unit is less than its carrying amount, or a quantitative analysis, to determine and compare the fair value of each reporting unit to its carrying value, or a combination of both. An impairment loss is recognized to the extent that the carrying amount of goodwill of any reporting unit exceeds its estimated fair value. Absent an event that indicates a specific impairment may exist, the Company has selected November 30th as the date for performing the annual goodwill impairment test. Goodwill impairment charges have not been required for the years ended December 31, 2021, 2020 and 2019.

Impairment of Other Long-Lived Tangible and Intangible Assets

Forrester continually evaluates whether events or circumstances have occurred that indicate the estimated remaining useful life of long-lived assets and intangible assets may warrant revision or if events or circumstances indicate that the carrying value of these assets may be impaired. To compute whether assets have been impaired, the estimated undiscounted future cash flows for the estimated remaining useful life of the assets are compared to the carrying value. To the extent that the future cash flows are less than the carrying value, the assets are written down to the estimated fair value of the asset. The Company recorded $3.4 million of long-lived asset impairment charges during 2020 (refer to Note 6 – Leases). No impairment charges were recorded during 2021 or 2019.

Non-Current Liabilities

The Company records deferred tax liabilities and other liabilities that are expected to be settled over a period that exceeds one year as non-current liabilities.

Foreign Currency

The functional currency of Forrester’s wholly-owned subsidiaries is their respective local currency. These subsidiary financial statements are translated to U.S. dollars using period-end exchange rates for assets and liabilities and average exchange rates during the corresponding period for revenues and expenses, with translation gains and losses recorded as a component of accumulated other comprehensive loss in the Consolidated Balance Sheets. Gains and losses related to the remeasurement of monetary assets and liabilities denominated in a currency other than an entity’s functional currency are included in other expense, net in the Consolidated Statements of Operations. Forrester recorded $1.5 million, $0.6 million, and $0.9 million of foreign exchange losses during 2021, 2020, and 2019, respectively.

Revenue

The Company generates all of its revenues from contracts with customers, which totaled $494.3 million for the year ended December 31, 2021.

The Company recognizes revenue when a customer obtains control of promised products or services, in an amount that reflects the consideration expected to be received in exchange for those products or services. The Company follows the five-step model

prescribed under Topic 606: (i) identify the contract(s) with a customer; (ii) identify the performance obligation(s) in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligation(s) in the contract; and (v) recognize revenue when (or as) the Company satisfies each performance obligation. Revenues are presented net of any sales or value added taxes collected from customers and remitted to the government.

The Company accounts for a contract when it has approval and commitment from both parties, the fees, payment terms and rights of the parties regarding the products or services to be transferred are identified, the contract has commercial substance, and it is probable that substantially all of the consideration for the products and services expected to be transferred is probable. The Company applies judgment in determining the customer’s ability and intention to pay for services expected to be transferred, which is based on factors including the customer’s payment history, management’s ability to mitigate exposure to credit risk (for example, requiring payment in advance of the transfer of products or services, or the ability to stop transferring promised products or services in the event a customer fails to pay consideration when due), and experience selling to similarly situated customers. Since the transaction price is fixed and defined as part of entering into a contract, and generally does not change, variable consideration is insignificant.

Performance obligations within a contract are identified based on the products and services promised to be transferred in the contract. When a contract includes more than one promised product or service, the Company must apply judgment to determine whether the promises represent multiple performance obligations or a single, combined performance obligation. This evaluation requires the Company to determine if the promises are both capable of being distinct, where the customer can benefit from the product or service on its own or together with other resources readily available, and are distinct within the context of the contract, where the transfer of products or services is separately identifiable from other promises in the contract. When both criteria are met, each promised product or service is accounted for as a separate performance obligation. In cases where the promises are distinct, the Company is further required to evaluate if the promises are a series of products and services that are substantially the same and have the same pattern of transfer to the customer (referred to as the “series” guidance). When the Company determines that promises meet the series guidance, they are accounted for as a single, combined performance obligation.

Contracts that contain multiple performance obligations require an allocation of the transaction price to each performance obligation on a relative basis according to their standalone selling prices. The Company determines standalone selling price based on the price at which the performance obligation is sold separately. If the Company does not have a history of selling a performance obligation, management applies judgment to estimate the standalone selling price, taking into consideration available information, including market conditions, factors considered to set list prices, pricing of similar products, and internal pricing objectives. The corresponding allocated revenues are recognized when (or as) the performance obligations are satisfied, as discussed further below.

Research revenues

The majority of Research revenues are annual subscriptions to our research, including access to a designated portion of our research and, depending on the type of license, unlimited analyst inquiry or guidance sessions, an executive coach or advisor, peer offerings, and unlimited participation in Forrester webinars, all of which are delivered throughout the contract period. The Company has concluded that these promises represent a stand ready obligation to provide a daily information service, in which the services are the same each day, every day is distinct, and the customer simultaneously receives and consumes the benefits as the Company transfers control throughout the contract period. Accordingly, these subscriptions meet the requirements of the series guidance and are each accounted for as a single performance obligation. The Company recognizes revenue ratably over the contract term, using an output measure of time elapsed. Certain of the Research products include advisory services and/or an Event ticket, which are accounted for as a separate performance obligation and are recognized at the point in time the service is completed, the final deliverable is transferred to the customer, or the Event occurs. Research revenues also include sales of electronic reprints, which are written research documents prepared by Forrester’s analysts and hosted via an on-line platform. Reprints include a promise to deliver a customer-selected research document and certain usage data provided through the on-line platform, which represents two performance obligations. The Company satisfies the performance obligation for the research document by providing access to the electronic reprint and accordingly recognizes revenue at that point in time. The Company satisfies the performance obligation for the data portion of the reprint on a daily basis and accordingly recognizes revenue over time.

Consulting revenues

Consulting revenues consists of consulting projects and advisory services.

Consulting project revenues consist of the delivery of focused insights and recommendations that assist customers with their challenges in developing and executing strategies around technology, customer experience, and digital transformation. Projects are fixed-fee arrangements that are generally completed over two weeks to three months. The Company has concluded that each project represents a single performance obligation as each is a single promise to deliver a customized engagement and deliverable. For the majority of these services, either practically or contractually, the work performed and delivered to the customer has no alternative use to the Company. Additionally, Forrester maintains an enforceable right to payment at all times throughout the contract. The Company utilizes an input method and recognizes revenue over time, based on hours expended relative to the total estimated hours required to

satisfy the performance obligation. The input method closely aligns with how control of interim deliverables is transferred to the customer throughout the engagement and is also the method used internally to price the project and assess operational performance. If the Company were to enter into an agreement where it does not have an enforceable right to payment at all times, revenue would be recognized at the point in time the project is completed.

Advisory services revenues are short-term presentations or knowledge sharing sessions (which can range from one hour to two days), such as speeches and advisory days. Each is a promise for a Forrester analyst to deliver a deeper understanding of Forrester’s published research and represents a single performance obligation. Revenue is recognized at the point in time the service is completed or the final deliverable is transferred to the customer, which is when the customer has received the benefit(s) of the service.

Events revenues

Events revenues consist of either ticket or sponsorship sales for Forrester-hosted in-person and virtual events. Each is a single promise that either allows entry to, or grants the right to promote a product or service at, a specific event. The Company concluded that each of these represents a single performance obligation. The Company recognizes revenue at the completion of the Event, which is the point in time when the customer has received the benefit(s) from attending or sponsoring the Event.

Prepaid performance obligations

Prepaid performance obligations (including Event tickets, reprints, consulting projects, and advisory services) on non-cancellable contracts that the Company estimates will expire unused are recognized in proportion to the pattern of related rights exercised by the customer. This assessment requires judgment, including estimating the percentage of prepaid rights that will go unexercised and anticipating the impact that future changes to products, pricing, and customer engagement will have on actual expirations. The Company updates estimates used to recognize unexercised rights on a quarterly basis.

Contract modifications

Consulting contracts are occasionally modified to update the scope of the services purchased. Since a consulting project is a single performance obligation that is only partially satisfied at the modification date, the updated project requirements are not distinct and the modification is accounted for as part of the existing contract. The effect of the modification on the transaction price and the Company’s measure of progress for the performance obligation to which it relates is recognized as an adjustment to revenue (either an increase or decrease) on a cumulative catch-up basis. For the year ended December 31, 2021, the Company recorded an immaterial amount of cumulative catch-up adjustments.

Refer to Note 13 – Operating Segment and Enterprise Wide Reporting for a summary of disaggregated revenue by geographic region.

Accounts Receivable

Accounts receivable

Accounts receivable includes amounts billed and currently due from customers. Since the only condition for payment of the Company's invoices is the passage of time, the Company records a receivable on the date the invoice is issued. Also included in accounts receivable are unbilled amounts resulting from revenue exceeding the amount billed to the customer, where the right to payment is unconditional. If the right to payment for services performed was conditional on something other than the passage of time, the unbilled amount would be recorded as a separate contract asset. There were no contract assets as of December 31, 2021.

The majority of the Company’s contracts are non-cancelable. However, for contracts that are cancelable by the customer, the Company does not record a receivable when it issues an invoice. The Company records accounts receivable on these contracts only up to the amount of revenue earned but not yet collected.

In addition, since the majority of the Company’s contracts are for a duration of one year and payment is expected within one year from the transfer of products and services, the Company does not adjust its receivables or transaction price for the effects of a significant financing component.

Deferred revenue

The Company refers to contract liabilities as deferred revenue on the Consolidated Balance Sheets. Payment terms in the Company’s customer contracts vary, but generally require payment in advance of fully satisfying the performance obligation(s). Deferred revenue consists of billings in excess of revenue recognized. Similar to accounts receivable, the Company does not record deferred revenue for unpaid invoices issued on a cancelable contract.

During the years ended December 31, 2021 and 2020, the Company recognized approximately $154.9 million and $153.2 million of revenue, respectively, related to its deferred revenue balance at January 1 of each such period.

Approximately $458.8 million of revenue is expected to be recognized during the next 24 months from remaining performance obligations as of December 31, 2021.

Cost To Obtain Contracts

Cost to Obtain Contracts

The Company capitalizes commissions paid to sales representatives and related fringe benefits costs that are incremental to obtaining customer contracts. These costs are included in deferred commissions on the Consolidated Balance Sheets. The judgments made in determining the amount of costs incurred include the types of costs to capitalize and whether the costs are in fact incremental. The Company elected the practical expedient to account for these costs at a portfolio level as the Company’s contracts are similar in nature and the amortization model used closely matches the amortization expense that would be recognized on a contract-by-contract basis. Costs to obtain a contract are amortized to earnings over the initial contract term, which is the same period the related revenue is recognized.

Amortization of the expense related to deferred commissions was $43.9 million, $40.0 million, and $36.0 million for the years ended December 31, 2021, 2020, and 2019, respectively, and is recorded in selling and marketing expenses in the Consolidated Statements of Operations. The Company evaluates the recoverability of deferred commissions at each balance sheet date and there were no impairments recorded during 2021, 2020, or 2019.

Leases

The Company determines whether an arrangement is a lease at inception of the arrangement. The Company accounts for a lease when it has the right to control the leased asset for a period of time while obtaining substantially all of the assets’ economic benefits. All of the Company’s leases are operating leases, the majority of which are for office space. Operating lease ROU assets and non-current operating lease liabilities are included as individual line items on the Consolidated Balance Sheets, while short-term operating lease liabilities are recorded within accrued expenses and other current liabilities.

Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. The discount rate used to determine the present value of the lease payments is the Company’s incremental borrowing rate based on the information available at lease inception, as generally an implicit rate in the lease is not readily determinable. An operating lease ROU asset includes all lease payments, lease incentives and initial direct costs incurred. Some of the Company’s leases include options to extend or terminate the lease. When determining the lease term, these options are included in the measurement and recognition of the Company’s ROU assets and lease liabilities when it is reasonably certain that the Company will exercise the option(s). The Company considers various economic factors when making this determination, including, but not limited to, the significance of leasehold improvements incurred in the office space, the difficulty in replacing the asset, underlying contractual obligations, and specific characteristics unique to a particular lease.

Subsequent to entering into a lease arrangement, the Company reassesses the certainty of exercising options to extend or terminate a lease. When it becomes reasonably certain that the Company will exercise an option that was not included in the lease term, the Company accounts for the change in circumstances as a lease modification, which results in the remeasurement of the ROU asset and lease liability as of the modification date.

Lease expense for operating leases is recognized on a straight-line basis over the lease term based on the total lease payments (which include initial direct costs and lease incentives). The expense is included in operating expenses in the Consolidated Statements of Operations.

The Company’s lease agreements generally contain lease and non-lease components. Non-lease components are fixed charges stated in an agreement and primarily include payments for parking at the leased office facilities. The Company accounts for the lease and fixed payments for non-lease components as a single lease component under Topic 842, which increases the amount of the ROU assets and lease liabilities. Most of the Company’s lease agreements also contain variable payments, primarily maintenance-related costs, which are expensed as incurred and not included in the measurement of the ROU assets and lease liabilities.

Leases with an initial term of twelve months or less are not recorded on the Consolidated Balance Sheets and are not material.

Advertising Costs

The Company expenses advertising costs as incurred. Advertising expense for the years ended December 31, 2021, 2020, and 2019 was $2.1 million, $0.7 million, and $1.3 million, respectively. These expenses consisted primarily of online marketing and is included in selling and marketing expense in the Consolidated Statements of Operations.

Stock-Based Compensation

The Company recognizes the fair value of stock-based compensation expense over the requisite service period of the individual grantee, which generally equals the vesting period. Forfeitures are recognized as they occur and all income tax effects related to settlements of share-based payment awards are reported in earnings as an increase or decrease to income tax expense. All income tax-related cash flows resulting from share-based payments are reported as operating activities in the Consolidated Statements of Cash Flows and cash paid by directly withholding shares for tax withholding purposes is classified as a financing activity.

Stock-based compensation expense was recorded in the following expense categories (in thousands):


	Years Ended December 31,
	2021		2020		2019
Cost of services and fulfillment	$	6,057	$	6,156	$	6,627
Selling and marketing		1,698		1,751		1,768
General and administrative		2,315		2,970		3,289
Total	$	10,070	$	10,877	$	11,684

Shares subject to the employee stock purchase plan were valued utilizing the Black-Scholes model using the following assumptions and had the following fair values (no options were granted in 2021, 2020, or 2019):


	Years Ended December 31,
	2021			2020			2019
Average risk-free interest rate		0.05	%		0.12	%		1.89	%
Expected dividend yield		0.0	%		0.0	%		0.0	%
Expected life	0.5 Years			0.5 Years			0.5 Years
Expected volatility		30	%		93	%		30	%
Weighted average fair value	$	11.20		$	14.57		$	8.29

Expected volatility is based on the historical volatility of Forrester’s common stock as well as management’s expectations of future volatility over the expected term of the awards granted. The risk-free interest rate is based on the U.S. Treasury Constant Maturity rate with an equivalent remaining term. The expected term calculation is based upon the option period of the employee stock purchase plan.

The unamortized fair value of stock-based awards as of December 31, 2021 was $22.9 million with a weighted average remaining recognition period of 2.6 years.

Depreciation and Amortization

Forrester provides for depreciation and amortization of property and equipment, computed using the straight-line method, over their estimated useful lives of its assets as follows:


		Estimated
		Useful Life
Computers and equipment		3 to 10 Years
Computer software		3 to 5 Years
Furniture and fixtures		7 Years
Leasehold improvements		Shorter of asset life or lease term

Forrester provides for amortization of intangible assets, computed using an accelerated method according to the expected cash flows to be received from the underlying assets, over their estimated useful lives as follows:


		Estimated
		Useful Life
Customer relationships		5 to 9 Years
Technology		1 to 8 Years
Trademarks		6 to 8 Years

Income Taxes

Forrester recognizes deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the financial statements and tax basis of assets and liabilities as well as operating loss carryforwards.

Forrester’s provision for income taxes is composed of a current and a deferred provision for federal, state, and foreign jurisdictions. The current provision is calculated as the estimated taxes payable or refundable on tax returns for the current year. The deferred provision is calculated as the net change during the year in deferred tax assets and liabilities. Valuation allowances are provided if, based on the weight of available evidence, it is more likely than not that some or all of the deferred tax asset will not be realized.

Forrester accounts for uncertain tax positions using a “more-likely-than-not” threshold for recognizing and resolving uncertain tax positions. The evaluation of uncertain tax positions is based on factors including, but not limited to, changes in tax law, the measurement of tax positions taken or expected to be taken in tax returns, the effective settlement of matters subject to audit, new audit activity, and changes in facts or circumstances related to a tax position. The Company evaluates these tax positions on a quarterly basis. The Company also accrues for potential interest and penalties related to unrecognized tax benefits in income tax expense.

Net Income (Loss) Per Common Share

Basic net income (loss) per common share is computed by dividing net income (loss) by the basic weighted average number of common shares outstanding during the period. Diluted net income (loss) per common share is computed by dividing net income (loss) by the diluted weighted average number of common shares and common equivalent shares outstanding during the period. The weighted average number of common equivalent shares outstanding has been determined in accordance with the treasury-stock method. Common stock equivalents consist of common stock issuable upon the exercise of outstanding stock options and the vesting of restricted stock units.

Basic and diluted weighted average common shares are as follows (in thousands):


	Years Ended December 31,
	2021		2020		2019
Basic weighted average common shares outstanding		19,110		18,827		18,492
Weighted average common equivalent shares		247		108		—
Diluted weighted average common shares outstanding		19,357		18,935		18,492
Options and restricted stock units excluded from diluted weighted average share calculation as effect would have been anti-dilutive		3		326		1,099

Recent Accounting Pronouncements

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848) – Facilitation of the Effects of Reference Rate Reform on Finance Reporting. The new standard provides optional guidance for a limited period of time to ease the potential burden in accounting for, or recognizing the effects of, reference rate reform on financial reporting due to the risk of cessation of the London Interbank Offered Rate (“LIBOR”). The updates apply to contracts, hedging relationships, and other transactions that reference LIBOR, or another reference rate expected to be discontinued because of reference rate reform, and as a result require a modification. An entity may elect to apply the amendments immediately or at any point through December 31, 2022. The adoption of this standard will not have a material impact on the Company’s financial position or results of operations as the Company's only interest rate swap, which is based on LIBOR, will terminate prior to the cessation of LIBOR.

Summary of Significant Accounting Policies - Summary of Allowance for Expected Credit Losses on Accounts Receivable (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Receivables [Abstract]
Balance, beginning of year	$ 708	$ 628	$ 359
Cumulative effect adjustment of adopting Topic 326	0	218	0
Provision for expected credit losses	225	721	1,246
Write-offs	(318)	(850)	(987)
Translation adjustments	5	(9)	10
Balance, end of year	$ 610	$ 708	$ 628

Operating Segment and Enterprise Wide Reporting (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Schedule of Information about Reportable Segments, Disaggregation of Revenue by Product

The Company provides information by reportable segment in the tables below (in thousands):



	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2021
Research revenues	$	325,340		$	—		$	—		$	325,340
Consulting revenues		47,247			108,867			—			156,114
Events revenues		—			—			12,861			12,861
Total segment revenues		372,587			108,867			12,861			494,315
Segment expenses		(118,155	)		(51,770	)		(8,518	)		(178,443	)
Selling, marketing, administrative and other expenses											(261,767	)
Amortization of intangible assets											(15,129	)
Acquisition and integration costs											(334	)
Interest expense, other expense, and gains on investments											(5,451	)
Income before income taxes										$	33,191



	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2020
Research revenues	$	301,544		$	—		$	—		$	301,544
Consulting revenues		50,406			86,897			—			137,303
Events revenues		—			—			10,137			10,137
Total segment revenues		351,950			86,897			10,137			448,984
Segment expenses		(110,843	)		(40,168	)		(8,231	)		(159,242	)
Selling, marketing, administrative and other expenses											(248,105	)
Amortization of intangible assets											(19,683	)
Acquisition and integration costs											(5,779	)
Interest expense, other expense, and gains on investments											(3,242	)
Income before income taxes										$	12,933



	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2019
Research revenues	$	303,801		$	—		$	—		$	303,801
Consulting revenues		55,812			75,074			—			130,886
Events revenues		—			—			27,010			27,010
Total segment revenues		359,613			75,074			27,010			461,697
Segment expenses		(120,882	)		(38,192	)		(18,968	)		(178,042	)
Selling, marketing, administrative and other expenses											(253,163	)
Amortization of intangible assets											(22,619	)
Acquisition and integration costs											(8,948	)
Interest expense, other expense, and gains on investments											(8,524	)
Loss before income taxes										$	(9,599	)

Schedule of Net Long-lived Tangible Assets by Location

Net long-lived tangible assets by location as of December 31, 2021 and 2020 are as follows (in thousands):


	2021		2020
United States	$	76,966	$	87,126
United Kingdom		10,667		1,216
Europe (excluding United Kingdom)		316		667
Asia Pacific		5,305		7,319
Total	$	93,254	$	96,328

Schedule of Revenues by Geographic Destination, Based on Location Products and Services and as a Percentage of Total Revenues

Revenues by geographic destination, based on the location products and services are consumed, and as a percentage of total revenues for the years ended December 31, 2021, 2020, and 2019 are as follows (dollars in thousands):


	2021		2020		2019
United States	$	381,662	$	356,288	$	362,867
Europe (excluding United Kingdom)		41,264		34,897		32,585
United Kingdom		21,913		15,741		21,316
Canada		17,213		14,005		17,246
Asia Pacific		26,768		22,969		22,842
Other		5,495		5,084		4,841
Total	$	494,315	$	448,984	$	461,697


	2021			2020			2019
United States		77	%		79	%		79	%
Europe (excluding United Kingdom)		9			8			7
United Kingdom		5			4			4
Canada		3			3			4
Asia Pacific		5			5			5
Other		1			1			1
Total		100	%		100	%		100	%

Certain Balance Sheet Accounts - Summary of Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Receivables [Abstract]
Balance, beginning of year	$ 708	$ 628	$ 359
Cumulative effect adjustment of adopting Topic 326	0	218	0
Provision for doubtful accounts	225	721	1,246
Write-offs	(318)	(850)	(987)
Translation adjustments	5	(9)	10
Balance, end of year	$ 610	$ 708	$ 628

Income Taxes - Summary of Changes in Deferred Tax Valuation Allowance (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Deferred tax valuation allowance, Beginning Balance	$ 1,237	$ 2,274	$ 2,574
Additions	0	52	30
Deductions	(108)	(1,134)	(356)
Change in tax legislation		(2)	0
Translation adjustments	15	43	(26)
Deferred tax valuation allowance, Ending Balance	1,114	1,237	2,274
Unrecognized tax benefits, Ending Balance	$ 5	$ 28	$ 345

Acquisitions

12 Months Ended

Dec. 31, 2021

Business Combinations [Abstract]

Acquisitions

Note 2 – Acquisitions

2019

SiriusDecisions

On January 3, 2019, Forrester acquired 100% of the issued and outstanding shares of SiriusDecisions, Inc. (“SiriusDecisions”), a privately-held company based in Wilton, Connecticut that employed approximately 350 employees globally at the time of the acquisition. SiriusDecisions equipped business-to-business (“B2B”) sales, marketing, and product leaders with the actionable research, frameworks, tools, operational benchmarks and expert advice they need to maximize performance and drive alignment. The acquisition created several opportunities for the Company, including cross-selling services to the Company’s respective client bases, extending SiriusDecisions’ platform, methodologies, data, and best-practices tools into new roles, and accelerating international and industry growth. The acquisition of SiriusDecisions was determined to be an acquisition of a business under the provisions of Topic 805.

Pursuant to the terms of the merger agreement, the Company paid $246.8 million at closing after certain transaction expense adjustments, which was subject to a working capital adjustment, and included the purchase price of $245.0 million plus an estimate of cash acquired and reduced by an estimate of certain working capital items. At the time of the merger, each vested SiriusDecisions stock option was converted into the right to receive the excess of the per share merger consideration over the exercise price of such stock option. All unvested SiriusDecisions stock options were cancelled without payment of any consideration.

Total Consideration Transferred

The following table summarizes the fair value of the aggregate consideration paid for SiriusDecisions (in thousands):


Cash paid at close (1)	$	246,801
Working capital adjustment (2)		(1,259	)
Total	$	245,542

(1)

(2)

Amount represents the final amount receivable from the sellers based upon working capital as defined, which was received in 2019.

Allocation of Purchase Price

The following table summarizes the allocation of the purchase price to the fair value of the assets acquired and liabilities assumed for the acquisition of SiriusDecisions (in thousands):


Assets:
Cash and cash equivalents	$	7,858
Accounts receivable		19,237
Prepaids and other current assets		3,660
Property and equipment		4,169
Goodwill (1)		158,569
Intangible assets (2)		115,000
Other assets		418
Total assets		308,911
Liabilities:
Accounts payable and other current liabilities		8,924
Deferred revenue		26,143
Deferred tax liability		26,226
Long-term deferred revenue		1,037
Other long-term liabilities		1,039
Total liabilities		63,369
Net assets acquired	$	245,542

(1)

Goodwill represents the expected revenue and cost synergies from combining SiriusDecisions with Forrester as well as the value of the acquired workforce.

(2)

The Company’s financial statements include the operating results of SiriusDecisions beginning on January 3, 2019, the date of the acquisition. SiriusDecisions’ operating results were being reported as its own operating segment prior to the Company’s segment realignments in 2020. The goodwill is not deductible for income tax purposes and was allocated to the SiriusDecisions and Research operating segments in the amounts of $142.5 million and $16.0 million, respectively, prior to the segment realignments. The acquisition of SiriusDecisions added approximately $79.3 million of additional revenue and $103.9 million of direct expenses, including intangible amortization, for the year ended December 31, 2019. Had the Company acquired SiriusDecisions in prior periods, the Company’s operating results would have been materially different, and as a result the following unaudited pro forma financial information is presented as if SiriusDecisions had been acquired by the Company on January 1, 2018 (in thousands):


	Years Ended
	December 31,
	2019		2018
Pro forma total revenue	$	472,810	$	438,049
Pro forma net income (loss)	$	733	$	(10,069	)

The pro forma results have been prepared in accordance with U.S. GAAP and include the following pro forma adjustments in 2018: (1) an increase in interest expense and amortization of debt issuance costs related to the financing of the SiriusDecisions acquisition; (2) a decrease in revenue as a result of the fair value adjustment to deferred revenue; and (3) an adjustment for depreciation and amortization expenses as a result of the purchase price allocation for finite-lived intangible assets and property and equipment. In addition, the year ended December 31, 2018 has been adjusted to increase operating costs to recognize acquisition costs incurred upon the close of the acquisition. The year ended December 31, 2019 has been adjusted to add the year two amounts, and eliminate the year one amounts, for the fair value of deferred revenue, depreciation and amortization expense and interest expense. In addition, the year ended December 31, 2019 has been adjusted to eliminate the acquisition costs incurred upon the close of the acquisition.

Acquisition and Integration Costs

Acquisition and integration costs consist of direct and incremental costs to acquire and integrate acquired companies. The company recognized $0.3 million, $5.8 million, and $8.9 million of acquisition and integration costs during 2021, 2020, and 2019, respectively. The costs primarily consisted of investment banker fees, legal fees, regulatory costs, accounting and tax professional fees, and costs of abandoning unused facilities.

Stockholders' Equity - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement [Abstract]
Accumulated other comprehensive income (loss), unrealized gain (loss) before reclassification, net of tax	$ (6)	$ 283	$ 40
Accumulated other comprehensive income (loss), reclassification of AOCI/L to income, net of tax	$ (227)	$ (242)

Certain Balance Sheet Accounts - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Amortization of capitalized internal use software costs	$ 4,600	$ 4,900,000	$ 5,100,000

Acquisitions - Summary of Fair Value of Aggregate Consideration Paid (Detail) - SiriusDecisions, Inc [Member] $ in Thousands	Jan. 03, 2019 USD ($)
Business Acquisition [Line Items]
Cash paid at close	$ 246,801
Working capital adjustment	(1,259)
Total	$ 245,542

Stockholders' Equity - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 185,766	$ 158,088	$ 151,600
Foreign currency translation	(3,083)	4,884	401
Unrealized loss, net of tax	4	(1,333)	(104)
Reclassification of AOCI/L to income, net of tax	(580)	(616)
Ending Balance	203,907	185,766	158,088
Marketable Investments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Unrealized loss before reclassification, net of tax	(25)
Ending Balance	(25)
Interest Rate Swap [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(821)	(104)
Unrealized loss before reclassification, net of tax	29	(1,333)	(104)
Reclassification of AOCI/L to income, net of tax	(580)	(616)
Ending Balance	(212)	(821)	(104)
Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	131	(4,753)	(5,154)
Foreign currency translation	(3,083)	4,884	401
Ending Balance	2,952	131	(4,753)
Total AOCI/L [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(690)	(4,857)	(5,154)
Foreign currency translation	(3,083)	4,884	401
Ending Balance	$ (3,189)	$ (690)	$ (4,857)

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 24,844	$ 9,990	$ (9,570)
Other comprehensive income (loss), net of tax:
Foreign currency translation	(3,083)	4,884	401
Net change in market value of interest rate swap	609	(717)	(104)
Net change in market value of investments	(25)	0	0
Other comprehensive income (loss)	(2,499)	4,167	297
Comprehensive income (loss)	$ 22,345	$ 14,157	$ (9,273)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details

Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of Restricted Stock Unit Activity

RSU activity for the year ended December 31, 2021 is presented below (in thousands, except per share data):


				Weighted-
				Average
	Number of			Grant Date
	Shares			Fair Value
Unvested at December 31, 2020		642		$	38.99
Granted		326			46.64
Vested		(249	)		39.97
Forfeited		(85	)		39.72
Unvested at December 31, 2021		634		$	42.45

Schedule of Stock Option Activity

Stock option activity for the year ended December 31, 2021 is presented below (in thousands, except per share data and contractual term):


				Weighted -		Weighted -
				Average		Average
				Exercise		Remaining		Aggregate
	Number			Price Per		Contractual		Intrinsic
	of Shares			Share		Term (in years)		Value
Outstanding at December 31, 2020		292		$	35.46
Exercised		(172	)		35.46
Forfeited		(6	)		34.41
Outstanding at December 31, 2021		114		$	35.52		2.68	$	2,657
Vested and Exercisable at December 31, 2021		114		$	35.52		2.68	$	2,657

Summary of Shares Purchased by Employees Under the Stock Purchase Plan

Shares purchased by employees under the Stock Purchase Plan are as follows (in thousands, except per share data):


	Shares		Purchase
Purchase Period Ended	Purchased		Price
February 28, 2021		51	$	30.29
August 31, 2021		39	$	39.13
February 29, 2020		47	$	29.27
August 31, 2020		50	$	30.14

Schedule of Components of Accumulated Other Comprehensive Income (Loss)

The components of accumulated other comprehensive income (loss) are as follows (in thousands):


	Marketable Investments			Interest Rate Swap			Translation Adjustment			Total AOCI/L
Balance at December 31, 2018	$	—		$	—		$	(5,154	)	$	(5,154	)
Foreign currency translation (1)		—			—			401			401
Unrealized loss, net of tax of $40		—			(104	)		—			(104	)
Balance at December 31, 2019		—			(104	)		(4,753	)		(4,857	)
Foreign currency translation (1)		—			—			4,884			4,884
Unrealized loss before reclassification, net of tax of $283		—			(1,333	)		—			(1,333	)
Reclassification of AOCI/L to income, net of tax of $(242) (2)		—			616			—			616
Balance at December 31, 2020		—			(821	)		131			(690	)
Foreign currency translation (1)		—			—			(3,083	)		(3,083	)
Unrealized gain (loss) before reclassification, net of tax of $(6)		(25	)		29			—			4
Reclassification of AOCI/L to income, net of tax of $(227) (2)		—			580			—			580
Balance at December 31, 2021	$	(25	)	$	(212	)	$	(2,952	)	$	(3,189	)

(1)

The Company does not record tax provisions or benefits for the net changes in foreign currency translation adjustments as it intends to permanently reinvest undistributed earnings of its foreign subsidiaries.

(2)

Reclassification is related to the Company’s interest rate swap (cash flow hedge) and was recorded in interest expense in the Consolidated Statements of Operations. Refer to Note 7 – Derivatives and Hedging.

Marketable Investments - Unrealized Losses on Debt Investments (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months - Market Value	$ 18,509
Less than 12 Month - Unrealized Losses	33
12 Months or Greater - Market Value	0
12 Months or Greater - Unrealized Losses	0
Corporate Obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months - Market Value	18,509
Less than 12 Month - Unrealized Losses	33
12 Months or Greater - Market Value	0
12 Months or Greater - Unrealized Losses	$ 0

Marketable Investments (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Summary of Company's Marketable Investments

The following table summarizes the Company’s marketable investments (in thousands):


	As of December 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized			Market
	Cost		Gains		Losses			Value
Corporate obligations	$	18,542	$	—	$	(33	)	$	18,509
Total	$	18,542	$	—	$	(33	)	$	18,509

Summarizes the Maturity Periods of the Marketable Investments

The following table summarizes the maturity periods of the marketable investments in the Company’s portfolio as of December 31, 2021 (in thousands).


	FY2022		FY2023		Total
Corporate obligations	$	11,437	$	7,072	$	18,509
Total	$	11,437	$	7,072	$	18,509

Unrealized Losses on Debt Investments

The following table shows the gross unrealized losses and market value of the Company’s available-for-sale securities with unrealized losses that are not deemed to be other-than-temporary, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position (in thousands):


	As of December 31, 2021
	Less Than 12 Months				12 Months or Greater
	Market		Unrealized		Market		Unrealized
	Value		Losses		Value		Losses
Corporate obligations	$	18,509	$	33	$	—	$	—
Total	$	18,509	$	33	$	—	$	—

Contingencies

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Note 15 – Contingencies

From time to time, the Company may be subject to legal proceedings and civil and regulatory claims that arise in the ordinary course of its business activities. Regardless of the outcome, litigation can have a material adverse effect on the Company because of defense and settlement costs, diversion of management resources, and other factors.

Stockholders' Equity - Summary of Shares Purchased by Employees Under the Stock Purchase Plan (Detail) - $ / shares shares in Thousands	6 Months Ended
	Aug. 31, 2021	Feb. 28, 2021	Aug. 31, 2020	Feb. 29, 2020
Share-based Payment Arrangement [Abstract]
Shares Purchased	39	51	50	47
Purchase Price	$ 39.13	$ 30.29	$ 30.14	$ 29.27

Summary of Significant Accounting Policies - Amortization of Intangible Assets, Estimated Useful Life (Detail)	12 Months Ended
	Dec. 31, 2021
Customer Relationships [Member] \| Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets, estimated useful life	5 years
Customer Relationships [Member] \| Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets, estimated useful life	9 years
Technology [Member] \| Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets, estimated useful life	1 year
Technology [Member] \| Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets, estimated useful life	8 years
Trademarks [Member] \| Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets, estimated useful life	6 years
Trademarks [Member] \| Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets, estimated useful life	8 years

Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2021 USD ($) Customer ConsumerandBusinessLeader shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares	Jan. 01, 2019 USD ($)
Summary Of Significant Accounting Policy [Line Items]
Number of real time feedback votes included in annual surveys \| Customer	70
(Decrease) increase in retained earnings	$ 152,825,000	$ 127,981,000
Operating lease right-of-use assets	65,009,000	$ 69,296,000
Operating lease liabilities	78,030,000
Lease package practical expedients		true
Deferred revenue	213,696,000	$ 179,968,000
Prepaid expenses and other current assets	18,614,000	18,588,000
Deferred commissions	29,631,000	23,620,000
Other assets	$ 9,660,000	5,524,000
Original maturities	90 days
Number of customers accounted for revenues or accounts receivable greater than 3% or 3% of total \| Customer	0
Annual goodwill impairment test, period	November 30th
Goodwill impairment charges	$ 0	0	$ 0
Long-lived asset impairment charges	0	3,400,000	0
Foreign exchange losses	1,500,000	(600,000)	(900,000)
Revenue from Contract with Customer, Excluding Assessed Tax	494,315,000	448,984,000	461,697,000
Contract assets	$ 0
Contract with customer, contract duration	1 year
Deferred revenue recognized	$ 154,900,000	153,200,000
Revenue expected to be recognized	800,000
Amortization expense related to deferred commissions	900,000	0.0	36,000,000.0
Impairment of deferred commissions	$ 0	0	0
Option to extend description	Some of the Company’s leases include options to extend or terminate the lease. When determining the lease term, these options are included in the measurement and recognition of the Company’s ROU assets and lease liabilities when it is reasonably certain that the Company will exercise the option(s).
Advertising expense	$ 2,100,000	$ 700,000	$ 300,000
Stock options granted \| shares	0	0	0
Unamortized fair value stock based compensation	$ 22,900
Weighted average remaining recognition period	2 years 7 months 6 days
Research Service Revenue [Member] \| Customer Concentration Risk [Member] \| Major Customer [Member]
Summary Of Significant Accounting Policy [Line Items]
Customer accounted for percentage	3.00%
Revision of Prior Period Accounting Standards Update Adjustment [Member]
Summary Of Significant Accounting Policy [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 0
Revision of Prior Period Accounting Standards Update Adjustment [Member] \| Research Services [Member]
Summary Of Significant Accounting Policy [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 7,100,000
ASU No. 2016-13 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2020
ASU No. 2017-04 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2020
Change in accounting principle, accounting standards update, immaterial effect	true
ASU No. 2018-13 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2020
Change in accounting principle, accounting standards update, immaterial effect	true
ASU No. 2018-15 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2020
Change in accounting principle, accounting standards update, immaterial effect		true
Topic 842 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2019
Change in accounting principle, accounting standards update, immaterial effect	true
Operating lease right-of-use assets				$ 53,300,000
Operating lease liabilities				60,800,000
Topic 842 [Member] \| Effect of Adoption [Member]
Summary Of Significant Accounting Policy [Line Items]
Deferred rent				$ 7,500,000
ASU No. 2016-15 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, immaterial effect		true
ASU No. 2016-18 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, immaterial effect	true
Consulting Services Revenue [Member] \| Revision of Prior Period Accounting Standards Update Adjustment [Member]
Summary Of Significant Accounting Policy [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 5,100,000
ASU No. 2018-02 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
ASU No. 2014-09 [Member]
Summary Of Significant Accounting Policy [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU No. 2016-13 [Member]
Summary Of Significant Accounting Policy [Line Items]
(Decrease) increase in retained earnings	$ (200,000)
Minimum [Member]
Summary Of Significant Accounting Policy [Line Items]
Number of consumers and business leaders and technology leaders included in annual surveys \| ConsumerandBusinessLeader	700,000
Consulting services period	14 days	14 days
Advisory services period		1 hour
Maximum [Member]
Summary Of Significant Accounting Policy [Line Items]
Consulting services period	3 months
Advisory services period	2 days
Contract with customer, expected payment term	one year

Employee Pension Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Contribution to defined contribution plans	$ 6,500	$ 7,600,000	$ 7,300,000

Employee Pension Plans

12 Months Ended

Dec. 31, 2021

Retirement Benefits [Abstract]

Employee Pension Plans

Note 11 – Employee Pension Plans

Forrester sponsors several defined contribution plans for eligible employees. Generally, the defined contribution plans have funding provisions which, in certain situations, require contributions based upon formulas relating to employee wages or the level of elective participant contributions, as well as allow for additional discretionary contributions. Further, certain plans contain vesting provisions. Forrester’s contributions to these plans totaled approximately $6.5 million, $7.6 million, $7.3 million for the years ended December 31, 2021, 2020, and 2019, respectively.

- Definition

The entire disclosure for retirement benefits.

+ References

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+ Details

Goodwill and Other Intangible Assets - Summary of Estimated Intangible Assets Amortization Expense (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets Future Amortization Expense [Abstract]
2022	$ 13,197
2023	11,951
2024	9,910
2025	8,878
2026	8,391
Thereafter	10,406
Total	$ 62,733	$ 77,995

Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 1 – Summary of Significant Accounting Policies

Basis of Presentation

Principles of Consolidations

Reclassification

Management Estimates

Liquidity and Impact of COVID-19

Adoption of New Accounting Pronouncements

The allowance for expected credit losses on accounts receivable for the twelve months ended December 31, 2020 and adoption impact is summarized in Note 14 - Certain Balance Sheet Accounts.

Fair Value Measurements

Cash, Cash Equivalents, and Marketable Investments

Forrester considers all short-term, highly liquid investments with original maturities at the time of purchase of 90 days or less to be cash equivalents.

The Company did not realize any gains or losses from sales of the Company's available-for-sale securities during the year ended December 31, 2021.

Presentation of Restricted Cash


	For the Year Ended December 31,
	2021		2020
Cash and cash equivalents	$	115,769	$	90,257
Restricted cash classified in (1):
Prepaid expenses and other current assets		—		395
Other assets		2,262		—
Cash, cash equivalents and restricted cash shown in statement of cash flows	$	118,031	$	90,652

(1)

Concentrations of Credit Risk

commercial banks and by diversifying counterparties. No single customer accounted for greater than 3% of revenues or 2% of accounts receivable in any of the periods presented.

Forrester does not have any off-balance sheet arrangements.

Business Acquisitions

In 2019, Forrester acquired SiriusDecisions, Inc. Refer to Note 2 – Acquisitions for further information on this acquisition.

Goodwill

Impairment of Other Long-Lived Tangible and Intangible Assets

Non-Current Liabilities

The Company records deferred tax liabilities and other liabilities that are expected to be settled over a period that exceeds one year as non-current liabilities.

Foreign Currency

Revenue

The Company generates all of its revenues from contracts with customers, which totaled $494.3 million for the year ended December 31, 2021.

Research revenues

Consulting revenues

Consulting revenues consists of consulting projects and advisory services.

Events revenues

Prepaid performance obligations

Contract modifications

Refer to Note 13 – Operating Segment and Enterprise Wide Reporting for a summary of disaggregated revenue by geographic region.

Contract Assets and Liabilities

Accounts receivable

Deferred revenue

Approximately $458.8 million of revenue is expected to be recognized during the next 24 months from remaining performance obligations as of December 31, 2021.

Cost to Obtain Contracts

Leases

Leases with an initial term of twelve months or less are not recorded on the Consolidated Balance Sheets and are not material.

Advertising Costs

Stock-Based Compensation

Stock-based compensation expense was recorded in the following expense categories (in thousands):


	Years Ended December 31,
	2021		2020		2019
Cost of services and fulfillment	$	6,057	$	6,156	$	6,627
Selling and marketing		1,698		1,751		1,768
General and administrative		2,315		2,970		3,289
Total	$	10,070	$	10,877	$	11,684


	Years Ended December 31,
	2021			2020			2019
Average risk-free interest rate		0.05	%		0.12	%		1.89	%
Expected dividend yield		0.0	%		0.0	%		0.0	%
Expected life	0.5 Years			0.5 Years			0.5 Years
Expected volatility		30	%		93	%		30	%
Weighted average fair value	$	11.20		$	14.57		$	8.29

The unamortized fair value of stock-based awards as of December 31, 2021 was $22.9 million with a weighted average remaining recognition period of 2.6 years.

Depreciation and Amortization

Forrester provides for depreciation and amortization of property and equipment, computed using the straight-line method, over their estimated useful lives of its assets as follows:


		Estimated
		Useful Life
Computers and equipment		3 to 10 Years
Computer software		3 to 5 Years
Furniture and fixtures		7 Years
Leasehold improvements		Shorter of asset life or lease term


		Estimated
		Useful Life
Customer relationships		5 to 9 Years
Technology		1 to 8 Years
Trademarks		6 to 8 Years

Income Taxes

Net Income (Loss) Per Common Share

Basic and diluted weighted average common shares are as follows (in thousands):


	Years Ended December 31,
	2021		2020		2019
Basic weighted average common shares outstanding		19,110		18,827		18,492
Weighted average common equivalent shares		247		108		—
Diluted weighted average common shares outstanding		19,357		18,935		18,492
Options and restricted stock units excluded from diluted weighted average share calculation as effect would have been anti-dilutive		3		326		1,099

Recent Accounting Pronouncements

Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Summary of End-of-period Cash and Cash Equivalents and Cash, Cash Equivalents and Restricted Cash from Financial Statements


	For the Year Ended December 31,
	2021		2020
Cash and cash equivalents	$	115,769	$	90,257
Restricted cash classified in (1):
Prepaid expenses and other current assets		—		395
Other assets		2,262		—
Cash, cash equivalents and restricted cash shown in statement of cash flows	$	118,031	$	90,652

(1)

Summary of Stock-Based Compensation Expense Recorded in Expense Categories

Stock-based compensation expense was recorded in the following expense categories (in thousands):


	Years Ended December 31,
	2021		2020		2019
Cost of services and fulfillment	$	6,057	$	6,156	$	6,627
Selling and marketing		1,698		1,751		1,768
General and administrative		2,315		2,970		3,289
Total	$	10,070	$	10,877	$	11,684

Shares Subject to Employee Stock Purchase Plan Valuation Assumptions


	Years Ended December 31,
	2021			2020			2019
Average risk-free interest rate		0.05	%		0.12	%		1.89	%
Expected dividend yield		0.0	%		0.0	%		0.0	%
Expected life	0.5 Years			0.5 Years			0.5 Years
Expected volatility		30	%		93	%		30	%
Weighted average fair value	$	11.20		$	14.57		$	8.29

Depreciation and Amortization of Property and Equipment, Useful Life

Forrester provides for depreciation and amortization of property and equipment, computed using the straight-line method, over their estimated useful lives of its assets as follows:


		Estimated
		Useful Life
Computers and equipment		3 to 10 Years
Computer software		3 to 5 Years
Furniture and fixtures		7 Years
Leasehold improvements		Shorter of asset life or lease term

Amortization of Intangible Assets, Estimated Useful Life


		Estimated
		Useful Life
Customer relationships		5 to 9 Years
Technology		1 to 8 Years
Trademarks		6 to 8 Years

Schedule of Basic and Diluted Weighted Average Common Shares

Basic and diluted weighted average common shares are as follows (in thousands):


	Years Ended December 31,
	2021		2020		2019
Basic weighted average common shares outstanding		19,110		18,827		18,492
Weighted average common equivalent shares		247		108		—
Diluted weighted average common shares outstanding		19,357		18,935		18,492
Options and restricted stock units excluded from diluted weighted average share calculation as effect would have been anti-dilutive		3		326		1,099

Marketable Investments - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Investments, Debt and Equity Securities [Abstract]
Realized gains or losses on investments	$ 0

Derivatives and Hedging (Tables)

12 Months Ended

Dec. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Contracts Amounts Recognized in Consolidated Statement of Operations

The table below provides information regarding amounts recognized in the Consolidated Statements of Operations for derivative contracts for the periods indicated (in thousands):


	For the Year Ended December 31,
Amount recorded in:	2021			2020
Interest expense (1)	$	(807	)	$	(858	)
Other expense, net (2)		(90	)		(157	)
Total	$	(897	)	$	(1,015	)

(1)

Consists of interest expense from the interest rate swap contract.

(2)

Consists of net realized losses on foreign currency forward contracts.

Acquisitions - Summary of Allocation of Purchase Price to Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 03, 2019
Assets:
Goodwill	$ 244,994	$ 247,211	$ 243,828
SiriusDecisions, Inc [Member]
Assets:
Cash and cash equivalents				$ 7,858
Accounts receivable				19,237
Prepaids and other current assets				3,660
Property and equipment				4,169
Goodwill				158,569
Intangible assets				115,000
Other assets				418
Total assets				308,911
Liabilities:
Accounts payable and other current liabilities				8,924
Deferred revenue				26,143
Deferred tax liability				26,226
Long-term deferred revenue				1,037
Other long-term liabilities				1,039
Total liabilities				63,369
Net assets acquired				$ 245,542

Operating Segment and Enterprise Wide Reporting - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2021 Segment
Segment Reporting [Abstract]
Number of operating segments	3

Leases

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Leases

Note 6 – Leases

The components of lease expense were as follows (in thousands):


	Year Ended			Year Ended
	December 31, 2021			December 31, 2020
Operating lease cost	$	15,527		$	16,188
Short-term lease cost		439			330
Variable lease cost		5,582			1,871
Sublease income		(549	)		(256	)
Total lease cost	$	20,999		$	18,133

Additional lease information is summarized in the following table (in thousands, except lease term and discount rate):


	Year Ended			Year Ended
	December 31, 2021			December 31, 2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	11,373		$	10,577
Operating ROU assets obtained in exchange for lease obligations	$	7,522		$	12,200
Weighted-average remaining lease term - operating leases (years)		5.9			6.4
Weighted-average discount rate - operating leases		4.3	%		4.6	%

Future minimum lease payments under non-cancelable leases and estimated future sublease cash receipts from non-cancelable arrangements as of December 31, 2021 are as follows (in thousands):


	Operating Lease			Sublease
	Payments			Cash Receipts
2022	$	16,607		$	839
2023		16,548			606
2024		16,187			625
2025		14,234			—
2026		12,115			—
Thereafter		14,871			—
Total lease payments		90,562		$	2,070
Less imputed interest		(12,532	)
Present value of lease liabilities	$	78,030

Lease balances are as follows (in thousands):


	As of
	December 31, 2021
Operating lease ROU assets	$	65,009

Short-term operating lease liabilities (1)	$	12,992
Non-current operating lease liabilities		65,038
Total operating lease liabilities	$	78,030

(1)

Included in accrued expenses and other current liabilities in the Consolidated Balance Sheets.

The Company’s leases do not contain residual value guarantees, material restrictions or covenants. During the year ended December 31, 2021, the Company subleased one of its facilities in San Francisco, California. The sublease agreement expires in 2024 and (i) does not include renewal and termination options, (ii) provides for customary escalations of lease payments in the normal course of business, and (iii) grants the subtenant certain allowances, such as free rent.

During the fourth quarter of 2020, the Company received a variable incentive payment of $3.5 million from one of its landlords to terminate the related office space lease early. This amount was recognized as a reduction in variable lease expense.

During the year ended December 31, 2020, the Company recorded $2.3 million of ROU asset impairments and $1.1 million of leasehold improvement impairments related to a facility lease from the SiriusDecisions acquisition that the Company no longer used as a result of the integration of SiriusDecisions. The leasehold improvements were originally recorded in property and equipment, net in the Consolidated Balance Sheets. As an impairment did occur, the ROU asset and leasehold improvements were required to be recorded at their estimated fair value as Level 3 non-financial assets. The fair value of the asset group was determined using a discounted cash flow model, which required the use of estimates, including projected cash flows for the related assets, the selection of discount rate used in the model, and regional real estate industry data. The fair value of the asset group was allocated to the ROU asset and leasehold improvements based on their relative carrying values. The impairments are included in acquisition and integration costs in the Consolidated Statements of Operations.

The Company did not have any lease impairments or abandonments during 2021 or 2019.

Income Taxes

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Income Taxes

Note 9 – Income Taxes

Income (loss) before income taxes consists of the following (in thousands):


	Years Ended December 31,
	2021		2020		2019
Domestic	$	22,424	$	7,237	$	(14,637	)
Foreign		10,767		5,696		5,038
Total	$	33,191	$	12,933	$	(9,599	)

The components of the income tax expense (benefit) are as follows (in thousands):


	Years Ended December 31,
	2021			2020			2019
Current:
Federal	$	4,203		$	603		$	618
State		2,272			2,054			911
Foreign		2,147			1,963			2,399
Total current		8,622			4,620			3,928
Deferred:
Federal		334			490			(1,454	)
State		(663	)		(1,641	)		(2,005	)
Foreign		54			(526	)		(498	)
Total deferred		(275	)		(1,677	)		(3,957	)
Income tax expense (benefit)	$	8,347		$	2,943		$	(29	)

A reconciliation of the federal statutory rate to Forrester’s effective tax rate is as follows:


	Years Ended December 31,
	2021			2020			2019
Income tax provision at federal statutory rate		21.0	%		21.0	%		21.0	%
Increase (decrease) in tax resulting from:
State tax provision, net of federal benefit		3.8			2.6			8.3
Foreign tax rate differential		(0.4	)		(0.2	)		0.4
Stock option compensation		(0.4	)		5.7			(1.2	)
Withholding taxes		1.3			3.3			(3.5	)
Non-deductible expenses		—			2.2			(9.8	)
Change in valuation allowance		—			(5.8	)		2.3
Foreign subsidiary income subject to U.S. tax		(0.5	)		(4.3	)		(7.4	)
Change in tax legislation		(0.3	)		(1.9	)		(1.2	)
Audit settlements		—			—			(8.3	)
Other, net		0.6			0.2			(0.3	)
Effective tax rate		25.1	%		22.8	%		0.3	%

The increase in the effective tax rate during 2021 as compared to 2020 was primarily due to the utilization of a valuation allowance on capital assets during 2020 that did not recur in 2021, an increase in foreign subsidiary income subject to U.S. tax in 2021, and a change in tax legislation in 2021 which was less impactful than 2020. These increases were partially offset by increased tax deductions related to stock compensation in 2021 that did not occur in 2020.

The components of deferred income taxes are as follows (in thousands):


	As of December 31,
	2021			2020
Non-deductible reserves and accruals	$	1,567		$	2,814
Net operating loss and other carryforwards		8,343			8,719
Stock compensation		1,256			1,935
Lease liability		20,870			22,842
Gross deferred tax asset		32,036			36,310
Less - valuation allowance		(1,114	)		(1,237	)
Sub-total		30,922			35,073
Other liabilities		(741	)		(751	)
Depreciation and amortization		(1,962	)		(1,091	)
Goodwill and intangible assets		(22,488	)		(27,319	)
Operating lease right-of-use assets		(17,340	)		(19,201	)
Deferred commissions		(8,268	)		(6,665	)
Net deferred tax liability	$	(19,877	)	$	(19,954	)

As of December 31, 2021 and 2020, long-term net deferred tax assets were $1.5 million and $1.6 million, respectively, and are included in other assets in the Consolidated Balance Sheets. Long-term net deferred tax liabilities were $21.3 million and $21.5 million, respectively, at December 31, 2021 and 2020, and are included in non-current liabilities in the Consolidated Balance Sheets.

As of December 31, 2021, the Company has fully utilized its U.S. federal net operating loss carryforwards.

The Company has foreign net operating loss carryforwards of approximately $26.2 million, which can be carried forward indefinitely. Approximately $3.4 million of the foreign net operating loss carryforwards relate to a prior acquisition, the utilization of which is subject to limitation under the tax law of the United Kingdom.

As of December 31, 2021, the Company has U.S. federal and state capital loss carryforwards of $1.2 million, which expire in 2022.

The Company considers all available evidence, both positive and negative, to determine whether, based on the weight of that evidence, a valuation allowance is needed for some portion or all of a net deferred income tax asset. Judgment is required in considering the relative impact of negative and positive evidence. In arriving at these judgments, the weight given to the potential effect of negative and positive evidence is commensurate with the extent to which it can be objectively verified. Although realization is not assured, based upon the Company’s historical taxable income and projections of the Company’s future taxable income over the periods during which the deferred tax assets are deductible and the carryforwards expire, management believes it is more likely than not that the Company will realize the benefits of these deductible differences, net of the existing valuation allowances, as discussed below.

As of December 31, 2021 and 2020, the Company maintained a valuation allowance of approximately $1.1 million and $1.2 million, respectively, primarily relating to U.S. capital losses from the Company’s investment in technology-related private equity funds, and from foreign net operating loss carryforwards from an acquisition.

The following table provides a summary of the changes in the deferred tax valuation allowance for the years ended December 31, 2021, 2020, and 2019 (in thousands):


	2021			2020			2019
Deferred tax valuation allowance at January 1	$	1,237		$	2,274		$	2,574
Additions		—			52			30
Deductions		(108	)		(1,134	)		(356	)
Change in tax legislation		—			2			—
Translation adjustments		(15	)		43			26
Deferred tax valuation allowance at December 31	$	1,114		$	1,237		$	2,274

The Company will generally be free of additional U.S. federal tax consequences on additional unremitted foreign earnings that have been subject to U.S. tax primarily through GILTI or would be eligible for a dividends received deduction for earnings distributed after January 1, 2018. Notwithstanding the U.S. taxation of these amounts, the Company intends to continue to invest all of its unremitted earnings of $34.9 million, as well as the capital in these subsidiaries, indefinitely outside of the U.S. unless there are opportunities in the future to repatriate in a tax efficient manner. The Company does not expect to incur any material, additional taxes related to such amounts.

The Company utilizes a two-step process for the measurement of uncertain tax positions that have been taken or are expected to be taken on a tax return. The first step is a determination of whether the tax position should be recognized in the financial statements. The second step determines the measurement of the tax position. A reconciliation of the beginning and ending amount of unrecognized tax benefits is summarized as follows for the years ended December 31, 2021, 2020, and 2019 (in thousands):


	2021			2020			2019
Unrecognized tax benefits at January 1	$	28		$	345		$	799
Reductions for tax positions of prior years		(24	)		(344	)		(458	)
Translation adjustments		1			27			4
Unrecognized tax benefits at December 31	$	5		$	28		$	345

As of December 31, 2021, the total amount of unrecognized tax benefits totaled approximately $5 thousand, all of which, if recognized, would decrease our effective tax rate in a future period. The Company does not expect the liability for unrecognized tax benefits to change materially within the next 12 months due to expiration of certain statutes of limitation.

The Company recognizes interest and penalties related to uncertain tax positions in income tax expense and such amounts were not significant in the years ended December 31, 2021, 2020, and 2019. Accrued interest and penalties were insignificant at December 31, 2021, 2020, and 2019.

The Company files income tax returns in the U.S. and in foreign jurisdictions. Generally, the Company is no longer subject to U.S., state, local, and foreign income tax examinations by tax authorities in its major jurisdictions for years before 2015, except to the extent of net operating loss and tax credit carryforwards from those years. Major taxing jurisdictions include the U.S., the Netherlands, the United Kingdom, Germany, and Switzerland. During 2019, the Company recorded a $0.3 million tax expense to settle a foreign tax audit. As of December 31, 2021, the Company has one non-U.S. subsidiary under audit.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill by Segment and Changes in Carrying Amount of Goodwill

A summary of goodwill by segment and the changes in the carrying amount of goodwill is shown in the following table (in thousands):


	Research Segment			Consulting Segment			Total
Balance at December 31, 2019	$	235,685		$	8,143		$	243,828
Translation adjustments		3,228			155			3,383
Balance at December 31, 2020		238,913			8,298			247,211
Translation adjustments		(2,143	)		(74	)		(2,217	)
Balance at December 31, 2021	$	236,770		$	8,224		$	244,994

Summary of Intangible Assets

A summary of Forrester’s intangible assets is as follows (in thousands):


	December 31, 2021
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	78,364	$	25,805	$	52,559
Technology		16,845		13,073		3,772
Trademarks		12,478		6,076		6,402
Total	$	107,687	$	44,954	$	62,733


	December 31, 2020
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	78,450	$	17,277	$	61,173
Technology		16,956		10,197		6,759
Trademarks		12,495		2,432		10,063
Total	$	107,901	$	29,906	$	77,995

Summary of Estimated Intangible Assets Amortization Expense

Estimated intangible asset amortization expense for each of the five succeeding years is as follows (in thousands):


2022	$	13,197
2023		11,951
2024		9,910
2025		8,878
2026		8,391
Thereafter		10,406
Total	$	62,733

Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Note 4 – Goodwill and Other Intangible Assets

A summary of goodwill by segment and the changes in the carrying amount of goodwill is shown in the following table (in thousands):


	Research Segment			Consulting Segment			Total
Balance at December 31, 2019	$	235,685		$	8,143		$	243,828
Translation adjustments		3,228			155			3,383
Balance at December 31, 2020		238,913			8,298			247,211
Translation adjustments		(2,143	)		(74	)		(2,217	)
Balance at December 31, 2021	$	236,770		$	8,224		$	244,994

The Company performed its annual impairment testing as of November 30, 2021 utilizing a qualitative assessment to determine if it was more likely than not that the fair values of each of its reporting units was less than their respective carrying values, and concluded that no impairments existed.

As of December 31, 2021, the Company had no accumulated goodwill impairment losses and the Consulting reporting unit had a negative carrying value.

A summary of Forrester’s intangible assets is as follows (in thousands):


	December 31, 2021
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	78,364	$	25,805	$	52,559
Technology		16,845		13,073		3,772
Trademarks		12,478		6,076		6,402
Total	$	107,687	$	44,954	$	62,733


	December 31, 2020
	Gross				Net
	Carrying		Accumulated		Carrying
	Amount		Amortization		Amount
Amortizable intangible assets:
Customer relationships	$	78,450	$	17,277	$	61,173
Technology		16,956		10,197		6,759
Trademarks		12,495		2,432		10,063
Total	$	107,901	$	29,906	$	77,995

Amortization expense related to intangible assets was approximately $15.1 million, $19.7 million, and $22.6 million during the years ended December 31, 2021, 2020, and 2019, respectively. Estimated intangible asset amortization expense for each of the five succeeding years is as follows (in thousands):


2022	$	13,197
2023		11,951
2024		9,910
2025		8,878
2026		8,391
Thereafter		10,406
Total	$	62,733

Debt

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Debt

Note 5 – Debt

Amended Credit Agreement

On December 21, 2021, the Company and certain of its subsidiaries entered into an amendment of its existing credit facility, dated as of January 3, 2019, with JPMorgan Chase Bank, N.A., as administrative agent (the “Administrative Agent”), and the lenders party thereto (the "Existing Credit Agreement" and the Existing Credit Agreement as amended by the Amendment, the "Amended Credit Agreement").

The Existing Credit Agreement was amended to, among other things, (a) increase the aggregate principal amount of revolving credit commitments (the "Revolving Credit Facility") from $75.0 million to $150.0 million and eliminate the existing term loan facility, (b) extend the scheduled maturity date of the revolving credit commitments to December of 2026, (c) reduce (i) the applicable margin with respect to revolving loans to, at Forrester’s option, (i) between 1.25% and 1.75% per annum for loans based on LIBOR and (ii) between 0.25% and 0.75% per annum for loans based on the applicable base rate, in each case, based on Forrester’s consolidated total leverage ratio, (d) reduce the commitment fee applicable to undrawn revolving credit commitments to between 0.30% and 0.20% per annum based on the Company's consolidated total leverage ratio, (e) replace the minimum fixed charge coverage ratio financial covenant under the Existing Credit Agreement with a minimum consolidated interest coverage ratio of 3.50:1.00 and (f) include a covenant limiting the amount of capital expenditures made by the Company in each fiscal year, subject to exceptions for (i) up to $25.0 million with respect to its headquarters property and (ii) an additional general basket of $20.0 million annually.

On December 21, 2021, the Company converted the $100.0 million outstanding term loan amounts under the Existing Credit Agreement to $100.0 million outstanding on the Revolving Credit Facility as the lenders remained the same under both facilities. The Amended Credit Agreement permits the Company to increase commitments under the Revolving Credit Facility in an aggregate principal amount up to $50.0 million, subject to approval by the Administrative Agent and certain customary terms and conditions.

The Company may voluntarily prepay revolving loans under the Amended Credit Agreement at any time and from time to time, without premium or penalty, other than customary breakage reimbursement requirements for LIBOR-based loans. No interim amortization payments are required to be made under the Amended Credit Agreement.

The Amended Credit Agreement provides that once LIBOR ceases to exist in 2023, the benchmark rate for the Revolving Credit Facility will automatically transfer from LIBOR to the Secured Overnight Financing Rate.

Up to $5.0 million of the Revolving Credit Facility is available for the issuance of letters of credit, and any drawings under the letters of credit must be reimbursed within one business day. As of December 31, 2021, $0.8 million in letters of credit were issued under the Revolving Credit Facility.

The Company incurred $0.5 million in costs related to the issuance of the Revolving Credit Facility under the Amended Credit Agreement, which are included in other assets on the Consolidated Balance Sheets. These costs are being amortized on a straight-line basis over the five-year term of the Revolving Credit Facility and are included in interest expense in the Consolidated Statements of Operations. The Amended Credit Agreement was accounted for as a debt modification and thus no existing debt issuance costs were written off to interest expense as a result of the modification.

Existing Credit Agreement

Prior to December 21, 2021, the Company had a credit facility that provided for a $125.0 million Term Loan A facility and a $75.0 million Revolving Credit Facility. The term loan amounts outstanding under the Existing Credit Agreement were repaid when the Company entered into the Amended Credit Agreement on December 21, 2021.

Outstanding Borrowings

The following table summarizes the Company’s total outstanding borrowings as of the dates indicated (in thousands):


Description:	December 31, 2021		December 31, 2020
Term loan facility	$	—	$	109,375
Revolving credit facility (1) (2)		75,000		—
Principal amount outstanding (3)		75,000		109,375
Less: Deferred financing fees		—		(1,576	)
Net carrying amount	$	75,000	$	107,799

(1)

(2)

The Company had $74.2 million of available borrowing capacity on the Revolving Credit Facility (not including the expansion feature) as of December 31, 2021.

(3)

The weighted average annual effective rate on the Company's total debt outstanding for the years ended December 31, 2021 and 2020 was 2.1% and 2.73%, respectively.

The Amended Credit Agreement contains certain customary restrictive loan covenants, including among others, financial covenants that apply a maximum leverage ratio, minimum interest coverage ratio, and maximum annual capital expenditures. The negative covenants limit, subject to various exceptions, the Company’s ability to incur additional indebtedness, create liens on assets, merge, consolidate, liquidate or dissolve any part of the Company, sell assets, change fiscal year, or enter into certain transactions with affiliates and subsidiaries. The Company was in full compliance with the covenants as of December 31, 2021. The Facility also contains customary events of default, representations, and warranties.

All obligations under the Amended Credit Agreement are unconditionally guaranteed by each of the Company’s existing and future, direct and indirect, material wholly-owned domestic subsidiaries, other than certain excluded subsidiaries, and are collateralized by a first priority lien on substantially all tangible and intangible assets, including intellectual property, and all of the capital stock of the Company and its subsidiaries (limited to 65% of the voting equity of certain subsidiaries).

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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+ Details

Income Taxes - Income (loss) Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Domestic	$ 22,424	$ 7,237	$ (14,637)
Foreign	10,767	5,696	5,038
Income (loss) before income taxes	$ 33,191	$ 12,933	$ (9,599)

- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(15))
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

+ Details

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 115,769	$ 90,257
Marketable investments (Note 3)	18,509	0
Accounts receivable, net of allowance for expected credit losses of $610 and $708 as of December 31, 2021 and 2020, respectively (Note 1,14)	86,965	84,695
Deferred commissions	29,631	23,620
Prepaid expenses and other current assets	18,614	18,588
Total current assets	269,488	217,160
Property and equipment, net	28,245	27,032
Operating lease ROU assets	65,009	69,296
Goodwill	244,994	247,211
Intangible assets, net	62,733	77,995
Other assets	9,660	5,524
Total assets	680,129	644,218
Current Liabilities:
Accounts payable	840	657
Accrued expenses and other current liabilities	97,800	76,620
Current portion of long-term debt	0	12,500
Deferred revenue	213,696	179,968
Total current liabilities	312,336	269,745
Long-term debt, net of deferred financing fees	75,000	95,299
Non-current operating lease liabilities	65,038	70,323
Other non-current liabilities (Note 14)	23,848	23,085
Total liabilities	476,222	458,452
Commitments and contingencies (Note 6, 15)
Stockholders' Equity:
Preferred stock, $0.01 par value Authorized - 500 shares; issued and outstanding - none	0	0
Common stock, $0.01 par value Authorized - 125,000 shares Issued - 24,085 and 23,648 shares as of December 31, 2021 and 2020, respectively Outstanding - 19,058 and 19017 shares as of December 31, 2021 and 2020, respectively	241	236
Additional paid-in capital	245,985	230,128
Retained earnings	152,825	127,981
Treasury stock - 5,027 and 4,631 shares as of December 31, 2021 and 2020, respectively	(191,955)	(171,889)
Accumulated other comprehensive loss	(3,189)	(690)
Total stockholders’ equity	203,907	185,766
Total liabilities and stockholders’ equity	$ 680,129	$ 644,218

Income Taxes - Components of the Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 4,203	$ 603	$ 618
State	2,272	2,054	911
Foreign	2,147	1,963	2,399
Total current	8,622	4,620	3,928
Deferred:
Federal	334	(490)	1,454
State	(663)	(1,641)	2,005
Foreign	54	(526)	(498)
Total deferred	(275)	(1,677)	(3,957)
Income tax expense (benefit)	$ 8,347	$ 2,943	$ (29)

Marketable Investments - Summary of Company's Marketable Investments (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 18,542
Gross Unrealized Gains	0
Gross Unrealized Losses	(33)
Market value	18,509
Corporate Obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	18,542
Gross Unrealized Gains	0
Gross Unrealized Losses	(33)
Market value	$ 18,509

Marketable Investments - Summarizes the Maturity Periods of the Marketable Investments (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Marketable Securities [Line Items]
FY2022	$ 11,437
FY2023	7,072
Market value	18,509
Corporate Obligations
Marketable Securities [Line Items]
FY2022	11,437
FY2023	7,072
Market value	$ 18,509

Debt - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Dec. 21, 2021	Dec. 31, 2021	Dec. 20, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Write off of debt issuance cost		$ 0
Aggregate principal amount		75,000		$ 109,375
Basket payment	$ 20,000
Line of credit facility, covenant terms description	replace the minimum fixed charge coverage ratio financial covenant under the Existing Credit Agreement with a minimum consolidated interest coverage ratio of 3.50:1.00
Percentage of voting equity of subsidiaries	65.00%
Headquarters Property [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 25,000
Maximum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Interest rate	1.75%
Maximum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest rate	0.75%
Minimum [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Interest rate	1.25%
Minimum [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest rate	0.25%
Term Loans [Member]
Debt Instrument [Line Items]
Aggregate principal amount		$ 0		109,375
Interest rate		0.50%
Term Loans [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Proceeds from line of credit	$ 100,000
Term Loans [Member] \| Term Loan A [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 125,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 75,000	$ 75,000		$ 0
Credit facility maturity date	Dec. 31, 2026
Revolving Credit Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 75,000
Proceeds from line of credit	$ 100,000
Revolving Credit Facility [Member] \| Letters of Credit [Member]
Debt Instrument [Line Items]
Available for issuance of letter of credit	$ 5,000
Debt cost incurred related to revolving credit facility		500
Debt instrument, amortized over the term	5 years
Issuance of letter of credit		$ 800
Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 150,000
Increase (decrease) in line of credit facility	$ 50,000
Percentage of commitment fee on the unused portion of the facility	0.20%
Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Percentage of commitment fee on the unused portion of the facility	0.30%

Leases - Summary of Additional Lease Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 11,373	$ 10,577
Operating ROU assets obtained in exchange for lease obligations	$ 7,522	$ 12,200
Weighted-average remaining lease term - operating leases (years)	5 years 10 months 24 days	6 years 4 months 24 days
Weighted-average discount rate - operating leases	4.30%	4.60%

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowance for expected credit losses	$ 610	$ 708
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	24,085,000	23,648,000
Common stock, shares outstanding	19,058,000	19,017,000
Treasury stock, shares	5,027,000	4,631,000

Fair Value Measurements - Summary of Changes in the Fair Value of Level 3 Contingent Consideration (Detail) - Level 3 [Member] - Contingent Consideration [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 2,511	$ 4,196
Fair value adjustment of contingent purchase price	22
Payment of contingent purchase price	2,680	1,769
Foreign exchange effect	(147)	(16)
Ending balance	$ 0	2,511
FeedbackNow [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value adjustment of contingent purchase price		$ 68

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Total revenues	$ 494,315	$ 448,984	$ 461,697
Operating expenses:
Selling and marketing	170,949	166,200	172,865
General and administrative	58,056	50,369	53,042
Depreciation	9,390	9,879	8,572
Amortization of intangible assets	15,129	19,683	22,619
Acquisition and integration costs	334	5,779	8,948
Total operating expenses	455,673	432,809	462,772
Income (loss) from operations	38,642	(16,175)	1,075
Interest expense	(4,222)	(5,340)	(8,054)
Other expense, net	(1,229)	(374)	(515)
Gains on investments, net	0	2,472	45
Income (loss) before income taxes	33,191	12,933	(9,599)
Income tax expense (benefit)	8,347	2,943	(29)
Net income (loss)	$ 24,844	$ 9,990	$ (9,570)
Basic income (loss) per common share	$ 1.30	$ (0.53)	$ 0.52
Diluted income (loss) per common share	$ 1.28	$ 0.53	$ 0.52
Basic weighted average common shares outstanding	19,110	18,827	18,492
Diluted weighted average common shares outstanding	19,357	18,935	18,492
Research [Member]
Revenues:
Total revenues	$ 325,340	$ 301,544	$ 303,801
Consulting [Member]
Revenues:
Total revenues	156,114	137,303	130,886
Events [Member]
Revenues:
Total revenues	12,861	10,137	27,010
Cost of Services and Fulfillment [Member]
Operating expenses:
Cost of services and fulfillment	$ 201,815	$ 180,899	$ 196,726

Stockholders' Equity

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Stockholders' Equity

Note 10 – Stockholders’ Equity

Preferred Stock

Forrester has authorized 500,000 shares of $0.01 par value preferred stock. The Board of Directors has full authority to issue this stock and to fix the voting powers, preferences, rights, qualifications, limitations, or restrictions thereof, including dividend rights, conversion rights, redemption privileges, liquidation preferences, and the number of shares constituting any series or designation of such series.

Treasury Stock

As of December 31, 2021, Forrester’s Board of Directors has authorized an aggregate $585.0 million to purchase common stock under the Company’s stock repurchase program, which includes an additional $50.0 million authorized in October 2021. The shares repurchased may be used, among other things, in connection with Forrester’s equity incentive and purchase plans. As of December 31, 2021, the Company had repurchased approximately 16.7 million shares of common stock at an aggregate cost of $494.9 million.

Dividends

The Company does not currently pay cash dividends on its common stock.

Equity Plans

The Company maintains the Forrester Research, Inc. Amended and Restated Equity Incentive Plan (the “Equity Incentive Plan”). The Equity Incentive Plan, which runs until May 2026, provides for the issuance of stock-based awards, including incentive stock options (“ISOs”), non-qualified stock options (“NSOs”), and restricted stock units (“RSUs”) to purchase up to 6,350,000 shares authorized in the plan and 793,275 shares returned from prior plans. Under the terms of the Equity Incentive Plan, ISOs may not be granted at less than fair market value on the date of grant (and in no event less than par value). Options and RSUs generally vest annually over four years and options expire after 10 years. No future awards can be granted or issued under prior plans and there is a maximum amount of awards issuable under the plan to the Company’s non-employee Directors. RSUs granted to non-employee directors vest quarterly over one year. Options and RSUs granted under the Equity Incentive Plan immediately vest upon certain events, as described in the plan. As of December 31, 2021, approximately 1.7 million shares were available for future grant of awards under the Equity Incentive Plan.

As of December 31, 2021, no options remain outstanding under prior plans.

Restricted Stock Units

Restricted stock units represent the right to receive one share of Forrester common stock when the restrictions lapse and the vesting conditions are met. RSUs are valued on the date of grant based upon the value of the Company’s stock on the date of grant less the present value of dividends expected to be paid during the requisite service period. Shares of Forrester’s common stock are delivered to the grantee upon vesting, subject to a reduction of shares for payment of withholding taxes. The weighted average grant date fair value for RSUs granted in 2021, 2020, and 2019 was $46.64, $35.15, and $43.84, respectively. The value of RSUs vested and converted to common stock, based on the value of Forrester’s common stock on the date of vesting, was $11.5 million, $10.0 million, and $8.2 million during 2021, 2020, and 2019, respectively.

RSU activity for the year ended December 31, 2021 is presented below (in thousands, except per share data):


				Weighted-
				Average
	Number of			Grant Date
	Shares			Fair Value
Unvested at December 31, 2020		642		$	38.99
Granted		326			46.64
Vested		(249	)		39.97
Forfeited		(85	)		39.72
Unvested at December 31, 2021		634		$	42.45

Stock Options

Stock option activity for the year ended December 31, 2021 is presented below (in thousands, except per share data and contractual term):


				Weighted -		Weighted -
				Average		Average
				Exercise		Remaining		Aggregate
	Number			Price Per		Contractual		Intrinsic
	of Shares			Share		Term (in years)		Value
Outstanding at December 31, 2020		292		$	35.46
Exercised		(172	)		35.46
Forfeited		(6	)		34.41
Outstanding at December 31, 2021		114		$	35.52		2.68	$	2,657
Vested and Exercisable at December 31, 2021		114		$	35.52		2.68	$	2,657

The total intrinsic value of options exercised during 2021, 2020, and 2019 was $2.2 million, $0.5 million, and $1.5 million, respectively.

No stock options were granted during the year ended December 31, 2021.

Employee Stock Purchase Plan

The Company's Second Amended and Restated Employee Stock Purchase Plan (the "Stock Purchase Plan"), provides for the issuance of up to 0.5 million shares of common stock and as of December 31, 2021, approximately 0.2 million shares remain available for issuance. With certain limited exceptions, all employees of Forrester whose customary employment is more than 20 hours per week, including officers and directors who are employees, are eligible to participate in the Stock Purchase Plan. Purchase periods under the Stock Purchase Plan are six months in length and commence on each successive March 1 and September 1. Stock purchased under the Stock Purchase Plan is required to be held for one year before it is able to be sold. During each purchase period the maximum number of shares of common stock that may be purchased by an employee is limited to the number of shares equal to $12,500 divided by the fair market value of a share of common stock on the first day of the purchase period. An employee may elect to have up to 10% deducted from his or her compensation for the purpose of purchasing shares under the Stock Purchase Plan. The price at which the employee’s shares are purchased is the lower of: (1) 85% of the closing price of the common stock on the day that the purchase period commences, or (2) 85% of the closing price of the common stock on the day that the purchase period terminates.

Shares purchased by employees under the Stock Purchase Plan are as follows (in thousands, except per share data):


	Shares		Purchase
Purchase Period Ended	Purchased		Price
February 28, 2021		51	$	30.29
August 31, 2021		39	$	39.13
February 29, 2020		47	$	29.27
August 31, 2020		50	$	30.14

Accumulated Other Comprehensive Income (Loss) (“AOCI/L”)

The components of accumulated other comprehensive income (loss) are as follows (in thousands):


	Marketable Investments			Interest Rate Swap			Translation Adjustment			Total AOCI/L
Balance at December 31, 2018	$	—		$	—		$	(5,154	)	$	(5,154	)
Foreign currency translation (1)		—			—			401			401
Unrealized loss, net of tax of $40		—			(104	)		—			(104	)
Balance at December 31, 2019		—			(104	)		(4,753	)		(4,857	)
Foreign currency translation (1)		—			—			4,884			4,884
Unrealized loss before reclassification, net of tax of $283		—			(1,333	)		—			(1,333	)
Reclassification of AOCI/L to income, net of tax of $(242) (2)		—			616			—			616
Balance at December 31, 2020		—			(821	)		131			(690	)
Foreign currency translation (1)		—			—			(3,083	)		(3,083	)
Unrealized gain (loss) before reclassification, net of tax of $(6)		(25	)		29			—			4
Reclassification of AOCI/L to income, net of tax of $(227) (2)		—			580			—			580
Balance at December 31, 2021	$	(25	)	$	(212	)	$	(2,952	)	$	(3,189	)

(1)

(2)

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section 50
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-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 18
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.4-08(e)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Summary of Significant Accounting Policies - Shares Subject to Employee Stock Purchase Plan Valuation Assumptions (Detail) - Employee Stock Purchase Plan [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average risk-free interest rate	0.05%	0.12%	1.89%
Expected dividend yield	0.00%	0.00%	0.00%
Expected life	6 months	6 months	6 months
Expected volatility	30.00%	93.00%	30.00%
Weighted average fair value	$ 11.20	$ 14.57	$ 8.29

Non-Marketable Investments

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Non Marketable Investments

Note 12 – Non-Marketable Investments

At December 31, 2021 and 2020, the carrying value of the Company’s non-marketable investments, which were interests in technology-related private equity funds, was $0.6 million, and is included in other assets in the Consolidated Balance Sheets.

The Company’s investments are accounted for using the equity method as the investments are limited partnerships and the Company has an ownership interest in excess of 5%. Accordingly, the Company records its share of the investee’s operating results each period, which are included in gains on investments, net in the Consolidated Statement of Operations. The Company recorded $2.5 million in gains from its non-marketable investments for the year ended December 31, 2020, and gains were immaterial during 2021 and 2019, respectively.

The Company uses the cumulative earnings approach to classify distributions received from equity method investments. During the years ended December 31, 2021 and 2019, no distributions were received from the funds. During the year ended December 31, 2020, $4.3 million was distributed from the funds to the Company. This amount was included within other investing activity in the Consolidated Statements of Cash Flows as it was considered a return on investment.

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Income (loss) Before Income Taxes

Income (loss) before income taxes consists of the following (in thousands):


	Years Ended December 31,
	2021		2020		2019
Domestic	$	22,424	$	7,237	$	(14,637	)
Foreign		10,767		5,696		5,038
Total	$	33,191	$	12,933	$	(9,599	)

Components of the Income Tax Expense (Benefit)

The components of the income tax expense (benefit) are as follows (in thousands):


	Years Ended December 31,
	2021			2020			2019
Current:
Federal	$	4,203		$	603		$	618
State		2,272			2,054			911
Foreign		2,147			1,963			2,399
Total current		8,622			4,620			3,928
Deferred:
Federal		334			490			(1,454	)
State		(663	)		(1,641	)		(2,005	)
Foreign		54			(526	)		(498	)
Total deferred		(275	)		(1,677	)		(3,957	)
Income tax expense (benefit)	$	8,347		$	2,943		$	(29	)

Reconciliation of the Federal Statutory Rate

A reconciliation of the federal statutory rate to Forrester’s effective tax rate is as follows:


	Years Ended December 31,
	2021			2020			2019
Income tax provision at federal statutory rate		21.0	%		21.0	%		21.0	%
Increase (decrease) in tax resulting from:
State tax provision, net of federal benefit		3.8			2.6			8.3
Foreign tax rate differential		(0.4	)		(0.2	)		0.4
Stock option compensation		(0.4	)		5.7			(1.2	)
Withholding taxes		1.3			3.3			(3.5	)
Non-deductible expenses		—			2.2			(9.8	)
Change in valuation allowance		—			(5.8	)		2.3
Foreign subsidiary income subject to U.S. tax		(0.5	)		(4.3	)		(7.4	)
Change in tax legislation		(0.3	)		(1.9	)		(1.2	)
Audit settlements		—			—			(8.3	)
Other, net		0.6			0.2			(0.3	)
Effective tax rate		25.1	%		22.8	%		0.3	%

Components of Deferred Income Taxes

The components of deferred income taxes are as follows (in thousands):


	As of December 31,
	2021			2020
Non-deductible reserves and accruals	$	1,567		$	2,814
Net operating loss and other carryforwards		8,343			8,719
Stock compensation		1,256			1,935
Lease liability		20,870			22,842
Gross deferred tax asset		32,036			36,310
Less - valuation allowance		(1,114	)		(1,237	)
Sub-total		30,922			35,073
Other liabilities		(741	)		(751	)
Depreciation and amortization		(1,962	)		(1,091	)
Goodwill and intangible assets		(22,488	)		(27,319	)
Operating lease right-of-use assets		(17,340	)		(19,201	)
Deferred commissions		(8,268	)		(6,665	)
Net deferred tax liability	$	(19,877	)	$	(19,954	)

Summary of Changes in Deferred Tax Valuation Allowance

The following table provides a summary of the changes in the deferred tax valuation allowance for the years ended December 31, 2021, 2020, and 2019 (in thousands):


	2021			2020			2019
Deferred tax valuation allowance at January 1	$	1,237		$	2,274		$	2,574
Additions		—			52			30
Deductions		(108	)		(1,134	)		(356	)
Change in tax legislation		—			2			—
Translation adjustments		(15	)		43			26
Deferred tax valuation allowance at December 31	$	1,114		$	1,237		$	2,274

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is summarized as follows for the years ended December 31, 2021, 2020, and 2019 (in thousands):


	2021			2020			2019
Unrecognized tax benefits at January 1	$	28		$	345		$	799
Reductions for tax positions of prior years		(24	)		(344	)		(458	)
Translation adjustments		1			27			4
Unrecognized tax benefits at December 31	$	5		$	28		$	345

Summary of Significant Accounting Policies - Summary of End-of-period Cash and Cash Equivalents and Cash, Cash Equivalents and Restricted Cash from Financial Statements (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents	$ 115,769	$ 90,257
Restricted cash, current	$ 0	$ 395
Restricted Cash, Current, Asset, Statement of Financial Position [Extensible List]	Prepaid expenses and other current assets	Prepaid expenses and other current assets
Restricted cash, non-current	$ 2,262	$ 0
Restricted Cash, Noncurrent, Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Cash, cash equivalents and restricted cash shown in statement of cash flows	$ 118,031	$ 90,652

Fair Value Measurements - Summary of Company's Fair Value Hierarchy for its Financial Assets and Liabilities (Detail) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Liabilities:
Fair value of liabilities			$ 0
Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of investments	$ 25,394,000	$ 503,000
Liabilities:
Fair value of liabilities	(294,000)	(1,144,000)
Fair Value, Measurements, Recurring [Member] \| Interest Rate Swap [Member]
Liabilities:
Fair value of liabilities	294,000	1,144,000
Fair Value, Measurements, Recurring [Member] \| Money Market Funds [Member]
Assets:
Fair value of cash equivalents	6,885,000	503,000
Fair Value, Measurements, Recurring [Member] \| Marketable Investments [Member]
Assets:
Fair value of cash equivalents	18,509,000
Fair Value, Measurements, Recurring [Member] \| Level 1 [Member]
Assets:
Fair value of investments	6,885,000	503,000
Liabilities:
Fair value of liabilities	0	0
Fair Value, Measurements, Recurring [Member] \| Level 1 [Member] \| Interest Rate Swap [Member]
Liabilities:
Fair value of liabilities	0	0
Fair Value, Measurements, Recurring [Member] \| Level 1 [Member] \| Money Market Funds [Member]
Assets:
Fair value of cash equivalents	6,885,000	503,000
Fair Value, Measurements, Recurring [Member] \| Level 1 [Member] \| Marketable Investments [Member]
Assets:
Fair value of cash equivalents	0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2
Assets:
Fair value of investments	18,509,000	0
Liabilities:
Fair value of liabilities	(294,000)	(1,144,000)
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 \| Interest Rate Swap [Member]
Liabilities:
Fair value of liabilities	294,000	1,144,000
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 \| Money Market Funds [Member]
Assets:
Fair value of cash equivalents	0	$ 0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 \| Marketable Investments [Member]
Assets:
Fair value of cash equivalents	$ 18,509,000

Income Taxes - Components of Deferred Income Taxes (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Non-deductible reserves and accruals	$ 1,567	$ 2,814
Net operating loss and other carryforwards	8,343	8,719
Stock compensation	1,256	1,935
Lease liability	20,870	22,842
Gross deferred tax asset	32,036	36,310
Less - valuation allowance	(1,114)	(1,237)	$ (2,274)	$ (2,574)
Sub-total	30,922	35,073
Other liabilities	(741)	(751)
Depreciation and amortization	(1,962)	(1,091)
Goodwill and intangible assets	(22,488)	(27,319)
Operating lease right-of-use assets	(17,340)	(19,201)
Deferred commissions	(8,268)	(6,665)
Net deferred tax liability	$ (19,877)	$ (19,954)

Summary of Significant Accounting Policies - Depreciation and Amortization of Property and Equipment, Useful Life (Detail)	12 Months Ended
	Dec. 31, 2021
Computers and Equipment [Member] \| Minimum [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Estimated Useful Life	3 years
Computers and Equipment [Member] \| Maximum [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Estimated Useful Life	10 years
Computer Software [Member] \| Minimum [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Estimated Useful Life	3 years
Computer Software [Member] \| Maximum [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Estimated Useful Life	5 years
Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Estimated Useful Life	7 years
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Estimated Useful Life	Shorter of asset life or lease term

Fair Value Measurements - Summary of Changes in the Fair Value of Level 3 Contingent Consideration (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Fair Value Disclosures [Abstract]
Consideration paid to sellers based on financial performance	$ 2.7	$ 1.8

Acquisitions - Summary of Fair Value of Aggregate Consideration Paid (Parenthetical) (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jan. 03, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Net cash paid		$ 0	$ 0	$ 237,684
SiriusDecisions, Inc [Member]
Business Acquisition [Line Items]
Cash acquired	$ 7,900
Net cash paid	237,700
Working capital adjustment	$ (1,259)

Operating Segment and Enterprise Wide Reporting

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Operating Segment and Enterprise Wide Reporting

Note 13 – Operating Segment and Enterprise Wide Reporting

The Company’s chief operating decision-maker (used in determining the Company’s segments) is the chief executive officer and the chief financial officer. The Company operates in three segments: Research, Consulting, and Events. These segments, which are also the Company's reportable segments, are based on the management structure of the Company and how the chief operating decision maker uses financial information to evaluate performance and determine how to allocate resources. The Company’s products and services are delivered through each segment as described below. Additionally, the tables below include the reclassification of revenues for the components of the Company’s CV subscription research products, as described further in Note 1: Summary of Significant Accounting Policies.

The Research segment includes the revenues from all of the Company’s research products as well as consulting revenues from advisory services (such as speeches and advisory days) delivered by the Company’s research organization. Research segment costs include the cost of the organizations responsible for developing and delivering these products in addition to the costs of the product management organization responsible for product pricing and packaging, and the launch of new products. In May 2021, the Company announced the launch of a new research portfolio called Forrester Decisions, which became available in August 2021. This new portfolio of products helps executives, functional leaders, and their teams, across technology, marketing, customer experience, sales, and product management, plan and pursue initiatives for driving growth. The Forrester Decisions product combines the research, frameworks, models, and methodologies of the Company’s Forrester Research and SiriusDecisions Research product offerings, as well as features of the Company’s smaller research products. In connection with the launch of Forrester Decisions, the Company no longer provides disaggregation of revenue by its research products in the segment tables below (refer to the tables below for disclosure of disaggregated revenue by geography).

The Consulting segment includes the revenues and the related costs of the Company’s project consulting organization. The project consulting organization delivers a majority of the Company’s project consulting revenue and certain advisory services.

The Events segment includes the revenues and the costs of the organization responsible for developing and hosting in-person and virtual events.

The Company evaluates reportable segment performance and allocates resources based on segment revenues and expenses. Segment expenses include the direct expenses of each segment organization and exclude selling and marketing expenses, general and administrative expenses, stock-based compensation expense, depreciation expense, adjustments to incentive bonus compensation from target amounts, amortization of intangible assets, interest and other expense, and gains on investments. The accounting policies used by the segments are the same as those used in the consolidated financial statements. The Company does not review or evaluate assets as part of segment performance. Accordingly, the Company does not identify or allocate assets by reportable segment.

The Company provides information by reportable segment in the tables below (in thousands):



	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2021
Research revenues	$	325,340		$	—		$	—		$	325,340
Consulting revenues		47,247			108,867			—			156,114
Events revenues		—			—			12,861			12,861
Total segment revenues		372,587			108,867			12,861			494,315
Segment expenses		(118,155	)		(51,770	)		(8,518	)		(178,443	)
Selling, marketing, administrative and other expenses											(261,767	)
Amortization of intangible assets											(15,129	)
Acquisition and integration costs											(334	)
Interest expense, other expense, and gains on investments											(5,451	)
Income before income taxes										$	33,191



	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2020
Research revenues	$	301,544		$	—		$	—		$	301,544
Consulting revenues		50,406			86,897			—			137,303
Events revenues		—			—			10,137			10,137
Total segment revenues		351,950			86,897			10,137			448,984
Segment expenses		(110,843	)		(40,168	)		(8,231	)		(159,242	)
Selling, marketing, administrative and other expenses											(248,105	)
Amortization of intangible assets											(19,683	)
Acquisition and integration costs											(5,779	)
Interest expense, other expense, and gains on investments											(3,242	)
Income before income taxes										$	12,933



	Research Segment			Consulting Segment			Events Segment			Consolidated
Year Ended December 31, 2019
Research revenues	$	303,801		$	—		$	—		$	303,801
Consulting revenues		55,812			75,074			—			130,886
Events revenues		—			—			27,010			27,010
Total segment revenues		359,613			75,074			27,010			461,697
Segment expenses		(120,882	)		(38,192	)		(18,968	)		(178,042	)
Selling, marketing, administrative and other expenses											(253,163	)
Amortization of intangible assets											(22,619	)
Acquisition and integration costs											(8,948	)
Interest expense, other expense, and gains on investments											(8,524	)
Loss before income taxes										$	(9,599	)

Net long-lived tangible assets by location as of December 31, 2021 and 2020 are as follows (in thousands):


	2021		2020
United States	$	76,966	$	87,126
United Kingdom		10,667		1,216
Europe (excluding United Kingdom)		316		667
Asia Pacific		5,305		7,319
Total	$	93,254	$	96,328


	2021		2020		2019
United States	$	381,662	$	356,288	$	362,867
Europe (excluding United Kingdom)		41,264		34,897		32,585
United Kingdom		21,913		15,741		21,316
Canada		17,213		14,005		17,246
Asia Pacific		26,768		22,969		22,842
Other		5,495		5,084		4,841
Total	$	494,315	$	448,984	$	461,697


	2021			2020			2019
United States		77	%		79	%		79	%
Europe (excluding United Kingdom)		9			8			7
United Kingdom		5			4			4
Canada		3			3			4
Asia Pacific		5			5			5
Other		1			1			1
Total		100	%		100	%		100	%

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8981-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 26
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8844-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
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-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8657-108599

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8721-108599

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-URI http://asc.fasb.org/topic&trid=2134510

+ Details

Goodwill and Other Intangible Assets - Summary of Goodwill by Segment and Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 247,211	$ 243,828
Translation adjustments	(2,217)	3,383
Goodwill, Ending Balance	244,994	247,211
Research Segment [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	238,913	235,685
Translation adjustments	(2,143)	3,228
Goodwill, Ending Balance	236,770	238,913
Consulting Segment [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	8,298	8,143
Translation adjustments	(74)	155
Goodwill, Ending Balance	$ 8,224	$ 8,298

Certain Balance Sheet Accounts

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Certain Balance Sheet Accounts

Note 14 – Certain Balance Sheet Accounts

Property and Equipment:

Property and equipment as of December 31, 2021 and 2020 is recorded at cost less accumulated depreciation and consists of the following (in thousands):


	2021			2020
Computers and equipment	$	15,751		$	17,191
Computer software		39,858			35,476
Furniture and fixtures		10,896			10,466
Leasehold improvements		31,697			31,517
Total property and equipment		98,202			94,650
Less accumulated depreciation		(69,957	)		(67,618	)
Total property and equipment, net	$	28,245		$	27,032

The Company incurs costs to develop or obtain internal use computer software used for its operations, and certain of these costs meeting the criteria in ASC 350 – Internal Use Software (as updated by ASU No. 2018-15, refer to Note 1 – Summary of Significant Accounting Policies) are capitalized and amortized over their useful lives. The entire balance in the computer software category above consists of these costs. Amortization of capitalized internal use software costs totaled $4.6 million, $4.9 million, and $5.1 million for the years ended December 31, 2021, 2020, and 2019, respectively, and is included in depreciation expense in the Consolidated Statements of Operations.

Accrued Expenses and Other Current Liabilities:

Accrued expenses and other current liabilities as of December 31, 2021 and 2020 consist of the following (in thousands):


	2021		2020
Payroll and related benefits	$	61,979	$	43,575
Taxes		4,731		8,324
Lease liability		12,992		11,972
Other		18,098		12,749
Total	$	97,800	$	76,620

Non-Current Liabilities:

Non-current liabilities as of December 31, 2021 and 2020 consist of the following (in thousands):


	2021		2020
Deferred tax liability	$	21,346	$	21,526
Other		2,502		1,559
Total	$	23,848	$	23,085

Allowance for Doubtful Accounts:

A rollforward of the allowance for doubtful accounts as of and for the years ended December 31, 2021, 2020, and 2019 is as follows (in thousands):


	2021			2020			2019
Balance, beginning of year	$	708		$	628		$	359
Cumulative effect adjustment of adopting Topic 326 (1)		—			218			—
Provision for doubtful accounts		225			721			1,246
Write-offs		(318	)		(850	)		(987	)
Translation adjustments		(5	)		(9	)		10
Balance, end of year	$	610		$	708		$	628

Topic 326 was adopted on January 1, 2020. Refer to Note 1 – Summary of Significant Accounting Policies for a discussion on the adoption.

Summary of Significant Accounting Policies - Schedule of Basic and Diluted Weighted Average Common Shares (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding	19,110	18,827	18,492
Weighted average common equivalent shares	247	108	0
Diluted weighted average common shares outstanding	19,357	18,935	18,492
Options and restricted stock units excluded from diluted weighted average share calculation as effect would have been anti-dilutive	3	326	1,099

Derivatives and Hedging

12 Months Ended

Dec. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging

Note 7 – Derivatives and Hedging

The Company enters into derivative contracts (an interest rate swap and foreign currency forwards) to mitigate the cash flow risk associated with changes in interest rates on its variable rate debt (refer to Note 5 – Debt) and changes in foreign exchange rates on forecasted foreign currency transactions. The Company accounts for its derivative contracts in accordance with FASB ASC Topic 815 – Derivatives and Hedging (“Topic 815”), which requires all derivatives, including derivatives designated as accounting hedges, to be recorded on the balance sheet at fair value.

Interest Rate Swap

During 2019, the Company entered into a single interest rate swap contract that matures in 2022, with an initial notional amount of $95.0 million. The notional amount of this interest rate swap at December 31, 2021 was $39.1 million. The Company pays a base fixed rate of 1.65275% and in return receives the greater of: (1) 1-month LIBOR, rounded up to the nearest 1/16 of a percent, or (2) 0.00%. The fair value of the swap on December 31, 2021 was a liability of $0.3 million (refer to Note 8 – Fair Value Measurements

for information on determining the fair value). The liability is included in accrued expenses and other current liabilities in the Consolidated Balance Sheets.

The swap has been designated and accounted for as a cash flow hedge of the forecasted interest payments on the Company’s debt. As long as the swap continues to be a highly effective hedge of the designated interest rate risk, changes in the fair value of the swap are recorded in accumulated other comprehensive loss, a component of equity in the Consolidated Balance Sheets. Any ineffective portion of a change in the fair value of a hedge is recorded in earnings.

As required under Topic 815, the swap’s effectiveness is assessed on a quarterly basis. Since its inception, and through December 31, 2021, the interest rate swap was considered highly effective. Accordingly, the entire negative fair value as of December 31, 2021 of $0.2 million (net of taxes) is recorded in accumulated other comprehensive loss. The Company expects $0.2 million of this loss, net of taxes, to be reclassified into earnings within the next 12 months. Realized gains or losses related to the interest rate swap are included as operating activities in the Consolidated Statement of Cash Flows.

Foreign Currency Forwards

The Company enters into a limited number of foreign currency forward exchange contracts to mitigate the effects of adverse fluctuations in foreign currency exchange rates on transactions entered into in the normal course of business that are denominated in foreign currencies that differ from the local functional currency. These contracts generally have short durations and are recorded at fair value with both realized and unrealized gains and losses recorded in other expense, net in the Consolidated Statements of Operations because the Company does not designate these contracts as hedges for accounting purposes.

During 2021, the Company entered into seven foreign currency forward exchange contracts, all of which settled by December 31, 2021. Accordingly, as of December 31, 2021, there are no amounts recorded in the Consolidated Balance Sheets. During 2020, the Company entered into three foreign currency forward exchange contracts, all of which settled by December 31, 2020. Accordingly, as of December 31, 2020, there are no amounts recorded in the Consolidated Balance Sheets.

The Company’s derivative counterparties are investment grade financial institutions. The Company does not have any collateral arrangements with its derivative counterparties and the derivative contracts do not contain credit risk related contingent features. The table below provides information regarding amounts recognized in the Consolidated Statements of Operations for derivative contracts for the periods indicated (in thousands):


	For the Year Ended December 31,
Amount recorded in:	2021			2020
Interest expense (1)	$	(807	)	$	(858	)
Other expense, net (2)		(90	)		(157	)
Total	$	(897	)	$	(1,015	)

(1)

Consists of interest expense from the interest rate swap contract.

(2)

Consists of net realized losses on foreign currency forward contracts.

The Company did not have any derivatives as of or during the year ended December 31, 2019.

Summary of Significant Accounting Policies - Summary of Stock-Based Compensation Expense Recorded in Expense Categories (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total allocated share-based compensation expense	$ 10,070	$ 10,877	$ 11,684
Cost of Services and Fulfillment [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total allocated share-based compensation expense	6,057	6,156	6,627
Selling and Marketing [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total allocated share-based compensation expense	1,698	1,751	1,768
General and Administrative [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total allocated share-based compensation expense	$ 2,315	$ 2,970	$ 3,289

Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Summary of Components of Lease Expense

The components of lease expense were as follows (in thousands):


	Year Ended			Year Ended
	December 31, 2021			December 31, 2020
Operating lease cost	$	15,527		$	16,188
Short-term lease cost		439			330
Variable lease cost		5,582			1,871
Sublease income		(549	)		(256	)
Total lease cost	$	20,999		$	18,133

Summary of Additional Lease Information

Additional lease information is summarized in the following table (in thousands, except lease term and discount rate):


	Year Ended			Year Ended
	December 31, 2021			December 31, 2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	11,373		$	10,577
Operating ROU assets obtained in exchange for lease obligations	$	7,522		$	12,200
Weighted-average remaining lease term - operating leases (years)		5.9			6.4
Weighted-average discount rate - operating leases		4.3	%		4.6	%

Summary of Future Minimum Lease Payments Under Non-Cancellable Leases

Future minimum lease payments under non-cancelable leases and estimated future sublease cash receipts from non-cancelable arrangements as of December 31, 2021 are as follows (in thousands):


	Operating Lease			Sublease
	Payments			Cash Receipts
2022	$	16,607		$	839
2023		16,548			606
2024		16,187			625
2025		14,234			—
2026		12,115			—
Thereafter		14,871			—
Total lease payments		90,562		$	2,070
Less imputed interest		(12,532	)
Present value of lease liabilities	$	78,030

Summary of Lease Balances

Lease balances are as follows (in thousands):


	As of
	December 31, 2021
Operating lease ROU assets	$	65,009

Short-term operating lease liabilities (1)	$	12,992
Non-current operating lease liabilities		65,038
Total operating lease liabilities	$	78,030

(1)

Included in accrued expenses and other current liabilities in the Consolidated Balance Sheets.

Debt - Summary of Company's Total Outstanding Borrowings (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 21, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Principal amount outstanding	$ 75,000		$ 109,375
Less: Deferred financing fees	0		(1,576)
Net carrying amount	75,000		107,799
Term Loans [Member]
Debt Instrument [Line Items]
Principal amount outstanding	0		109,375
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal amount outstanding	$ 75,000	$ 75,000	$ 0

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References + Details

Certain Balance Sheet Accounts (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Property and Equipment

Property and equipment as of December 31, 2021 and 2020 is recorded at cost less accumulated depreciation and consists of the following (in thousands):


	2021			2020
Computers and equipment	$	15,751		$	17,191
Computer software		39,858			35,476
Furniture and fixtures		10,896			10,466
Leasehold improvements		31,697			31,517
Total property and equipment		98,202			94,650
Less accumulated depreciation		(69,957	)		(67,618	)
Total property and equipment, net	$	28,245		$	27,032

Summary of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities as of December 31, 2021 and 2020 consist of the following (in thousands):


	2021		2020
Payroll and related benefits	$	61,979	$	43,575
Taxes		4,731		8,324
Lease liability		12,992		11,972
Other		18,098		12,749
Total	$	97,800	$	76,620

Summary of Non-Current Liabilities

Non-current liabilities as of December 31, 2021 and 2020 consist of the following (in thousands):


	2021		2020
Deferred tax liability	$	21,346	$	21,526
Other		2,502		1,559
Total	$	23,848	$	23,085

Summary of Allowance for Doubtful Accounts

A rollforward of the allowance for doubtful accounts as of and for the years ended December 31, 2021, 2020, and 2019 is as follows (in thousands):


	2021			2020			2019
Balance, beginning of year	$	708		$	628		$	359
Cumulative effect adjustment of adopting Topic 326 (1)		—			218			—
Provision for doubtful accounts		225			721			1,246
Write-offs		(318	)		(850	)		(987	)
Translation adjustments		(5	)		(9	)		10
Balance, end of year	$	610		$	708		$	628

Topic 326 was adopted on January 1, 2020. Refer to Note 1 – Summary of Significant Accounting Policies for a discussion on the adoption.

Leases - Summary of Components of Lease Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 15,527	$ 16,188
Short-term lease cost	439	330
Variable lease cost	5,582	1,871
Sublease income	(549)	(256)
Total lease cost	$ 20,999	$ 18,133

Marketable Investments

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Marketable Investments

Note 3 – Marketable Investments

The following table summarizes the Company’s marketable investments (in thousands):


	As of December 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized			Market
	Cost		Gains		Losses			Value
Corporate obligations	$	18,542	$	—	$	(33	)	$	18,509
Total	$	18,542	$	—	$	(33	)	$	18,509

Realized gains and losses on investments are included in earnings and are determined using the specific identification method. There were no realized gains or losses on the sale of the Company’s marketable investments during the year ended December 31, 2021.

The following table summarizes the maturity periods of the marketable investments in the Company’s portfolio as of December 31, 2021 (in thousands).


	FY2022		FY2023		Total
Corporate obligations	$	11,437	$	7,072	$	18,509
Total	$	11,437	$	7,072	$	18,509


	As of December 31, 2021
	Less Than 12 Months				12 Months or Greater
	Market		Unrealized		Market		Unrealized
	Value		Losses		Value		Losses
Corporate obligations	$	18,509	$	33	$	—	$	—
Total	$	18,509	$	33	$	—	$	—

Derivatives and Hedging - Schedule of Derivative Contracts Amounts Recognized in Consolidated Statement of Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments Gain Loss [Line Items]
Amount recorded in operations	$ (897)	$ (1,015)
Interest Expense [Member]
Derivative Instruments Gain Loss [Line Items]
Amount recorded in operations	(807)	(858)
Other Income (Expense), Net [Member]
Derivative Instruments Gain Loss [Line Items]
Amount recorded in operations	$ (90)	$ (157)

Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Summary of Company's Fair Value Hierarchy for its Financial Assets and Liabilities

The following table represents the Company’s fair value hierarchy for its financial assets and liabilities that are measured at fair value on a recurring basis (in thousands):


	As of December 31, 2021
	Level 1		Level 2			Total
Assets:
Money market funds (1)	$	6,885	$	—		$	6,885
Marketable investments (2)		—		18,509			18,509
Total Assets	$	6,885	$	18,509		$	25,394

Liabilities:
Interest rate swap (3)	$	—	$	(294	)	$	(294	)
Total Liabilities	$	—	$	(294	)	$	(294	)


	As of December 31, 2020
	Level 1		Level 2			Total
Assets:
Money market funds (1)	$	503	$	—		$	503
Total Assets	$	503	$	—		$	503

Liabilities:
Interest rate swap (3)	$	—	$	(1,144	)	$	(1,144	)
Total Liabilities	$	—	$	(1,144	)	$	(1,144	)

(1)

Included in cash and cash equivalents in the Consolidated Balance Sheets.

(2)

Marketable investments have been initially valued at the transaction price and subsequently valued, at the end of the reporting period, utilizing third party pricing services or other market observable data. The pricing services utilize industry standard valuation methods, including both income and market based approaches and observable market inputs to determine value. These observable market inputs include reportable trades, benchmark yields, credit spreads, broker/dealer quotes, bids, offers, current spot rates and other industry and economic events.

(3)

The Company has an interest rate swap contract that hedges the risk of variability from interest payments on its borrowings (refer to Note 5 – Debt and Note 7 – Derivatives and Hedging). The fair value of the interest rate swap is based on mark-to-market valuations prepared by a third-party broker. Those valuations are based on observable interest rates and other observable market data, which the Company considers Level 2 inputs.

Summary of Changes in the Fair Value of Level 3 Contingent Consideration

Changes in the fair value of Level 3 contingent consideration were as follows (in thousands):


	Contingent
	Consideration
Balance at December 31, 2018		(4,196	)
Fair value adjustment of contingent purchase price (1)		(68	)
Payment of contingent purchase price (2)		1,769
Foreign exchange effect		(16	)
Balance at December 31, 2019		(2,511	)
Fair value adjustment of contingent purchase price (1)		(22	)
Payment of contingent purchase price (3)		2,680
Foreign exchange effect		(147	)
Balance at December 31, 2020	$	—

(1)

Subsequent to the acquisition of FeedbackNow, the increases in the fair value of the contingent consideration were primarily due to the achievement of contract bookings during these periods. The Monte Carlo simulation was used to determine the fair value and increases or decreases in the simulation’s inputs would have resulted in higher or lower fair value measurements. These amounts were recognized as acquisition and integration costs in the Consolidated Statements of Operations.

(2)

During the third quarter of 2019, the first year financial targets were met and $1.8 million was paid to the sellers during the same period.

(3)

During the third quarter of 2020, the second year financial targets were met and $2.7 million was paid to the sellers during the fourth quarter of 2020.

Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jan. 03, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill		$ 244,994	$ 247,211	$ 243,828
Acquisition and integration costs		334	5,779	8,948
Sirius Decisions Segment [Member]
Business Acquisition [Line Items]
Goodwill	$ 142,500
Research Segment [Member]
Business Acquisition [Line Items]
Goodwill	$ 16,000	$ 236,770	$ 238,913	235,685
SiriusDecisions, Inc [Member]
Business Acquisition [Line Items]
Percentage of issued and outstanding shares acquired	100.00%
Consideration paid	$ 245,000
Purchase price paid	246,801
Goodwill	$ 158,569
Revenue				79,300
Direct expenses including intangible amortization				$ 103,900

Non-Marketable Investments - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Gain from non-marketable investments		$ 2,500,000
Distributions received from funds	$ 0	4,300,000	$ 0
Limited Partnerships Investments [Member] \| Minimum [Member]
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Ownership interest of Company	5.00%
Other Assets [Member]
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Carrying value of the Company's non-marketable investments	$ 600,000	$ 600,000

Acquisitions - Schedule of Unaudited Pro Forma Financial Information (Detail) - SiriusDecisions, Inc [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Pro forma total revenue	$ 472,810	$ 438,049
Pro forma net income (loss)	$ 733	$ (10,069)

Operating Segment and Enterprise Wide Reporting - Schedule of Revenues by Geographic Destination, Based on Location Products and Services and as a Percentage of Total Revenues (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 494,315	$ 448,984	$ 461,697
Revenues by geographical area percentage	100.00%	100.00%	100.00%
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 381,662	$ 356,288	$ 362,867
Revenues by geographical area percentage	77.00%	79.00%	79.00%
Europe (Excluding United Kingdom) [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 41,264	$ 34,897	$ 32,585
Revenues by geographical area percentage	9.00%	8.00%	7.00%
United Kingdom [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 21,913	$ 15,741	$ 21,316
Revenues by geographical area percentage	5.00%	4.00%	4.00%
Canada [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 17,213	$ 14,005	$ 17,246
Revenues by geographical area percentage	3.00%	3.00%	4.00%
Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 26,768	$ 22,969	$ 22,842
Revenues by geographical area percentage	5.00%	5.00%	5.00%
Other [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 5,495	$ 5,084	$ 4,841
Revenues by geographical area percentage	1.00%	1.00%	1.00%

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment charges	$ 0	$ 0	$ 0
Accumulated goodwill impairment losses	0
Amortization of intangible assets	$ 15,129,000	$ 19,683,000	$ 22,619,000

Certain Balance Sheet Accounts - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Total property and equipment	$ 98,202	$ 94,650
Less accumulated depreciation	(69,957)	(67,618)
Total property and equipment, net	28,245	27,032
Computers and Equipment [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	15,751	17,191
Computer Software [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	39,858	35,476
Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	10,896	10,466
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	$ 31,697	$ 31,517

Stockholders' Equity - Schedule of Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement [Abstract]
Number of Shares, Outstanding, Beginning Balance	292,000
Number of Shares, Granted	0	0	0
Number of Shares, Exercised	(172,000)
Number of Shares, Forfeited	(6,000)
Number of Shares, Outstanding, Ending Balance	114,000	292,000
Number of Shares, Vested and Exercisable at December 31, 2021	114,000
Weighted - Average Exercise Price Per Share, Outstanding, Beginning balance	$ 35.46
Weighted - Average Exercise Price Per Share, Exercised	35.46
Weighted - Average Exercise Price Per Share, Forfeited	34.41
Weighted - Average Exercise Price Per Share, Outstanding, Ending balance	35.52	$ 35.46
Weighted - Average Exercise Price Per Share, Vested and Exercisable at December 31, 2021	$ 35.52
Weighted - Average Remaining Contractual Term, Outstanding at December 31, 2021	2 years 8 months 4 days
Weighted - Average Remaining Contractual Term, Vested and Exercisable at December 31, 2021	2 years 8 months 4 days
Aggregate Intrinsic Value, Outstanding at December 31, 2021	$ 2,657
Aggregate Intrinsic Value, Vested and Exercisable at December 31, 2021	$ 2,657

Debt - Summary of Company's Total Outstanding Borrowings (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Weighted average interest rate	2.10%	2.73%
Term Loans [Member]
Debt Instrument [Line Items]
Debt instrument margin rate	0.50%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	1.625%
Line of credit facility, available borrowing capacity	$ 74.2
Revolving Credit Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	0.125%

Goodwill and Other Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 107,687	$ 107,901
Accumulated Amortization	44,954	29,906
Total	62,733	77,995
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	78,364	78,450
Accumulated Amortization	25,805	17,277
Total	52,559	61,173
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,845	16,956
Accumulated Amortization	13,073	10,197
Total	3,772	6,759
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,478	12,495
Accumulated Amortization	6,076	2,432
Total	$ 6,402	$ 10,063

Certain Balance Sheet Accounts - Summary of Non-Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Liabilities, Noncurrent [Abstract]
Deferred tax liability	$ 21,346	$ 21,526
Other	2,502	1,559
Total	$ 23,848	$ 23,085

Consolidated Statements of Cash Flows (Parenthetical) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Statement of Cash Flows [Abstract]
Non-cash investing activities, debt issuance costs	$ 3.7

Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020
Office Space [Member]
Lessee Lease Description [Line Items]
Variable incentive payment received	$ 3.5
Topic 842 [Member] \| SiriusDecisions, Inc [Member] \| Facility Lease [Member]
Lessee Lease Description [Line Items]
Right-of-use asset impairments		$ 2.3
Leasehold impairments		$ 1.1

Operating Segment and Enterprise Wide Reporting - Schedule of Information about Reportable Segments, Disaggregation of Revenue by Product (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 494,315	$ 448,984	$ 461,697
Segment expenses	(178,443)	(159,242)	(178,042)
Selling, marketing, administrative and other expenses	(261,767)	(248,105)	(253,163)
Amortization of intangible assets	(15,129)	(19,683)	(22,619)
Acquisition and integration costs	(334)	(5,779)	(8,948)
Interest expense, other expense, and gains on investments	(5,451)	(3,242)	(8,524)
Income (loss) before income taxes	33,191	12,933	(9,599)
Research Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	372,587	351,950	359,613
Segment expenses	(118,155)	(110,843)	(120,882)
Consulting Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	108,867	86,897	75,074
Segment expenses	(51,770)	(40,168)	(38,192)
Events Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	12,861	10,137	27,010
Segment expenses	(8,518)	(8,231)	(18,968)
Research Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	325,340	301,544	303,801
Research Revenues [Member] \| Research Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	325,340	301,544	303,801
Research Revenues [Member] \| Consulting Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	0	0	0
Research Revenues [Member] \| Events Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	0	0	0
Consulting [Member]
Segment Reporting Information [Line Items]
Total revenues	156,114	137,303	130,886
Consulting [Member] \| Research Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	47,247	50,406	55,812
Consulting [Member] \| Consulting Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	108,867	86,897	75,074
Consulting [Member] \| Events Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	0	0	0
Events [Member]
Segment Reporting Information [Line Items]
Total revenues	12,861	10,137	27,010
Events [Member] \| Research Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	0	0	0
Events [Member] \| Consulting Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	0	0	0
Events [Member] \| Events Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 12,861	$ 10,137	$ 27,010

Stockholders' Equity - Schedule of Restricted Stock Unit Activity (Detail) - Restricted Stock Units (RSUs) [Member] - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Unvested, Beginning Balance	642
Number of Shares, Granted	326
Number of Shares, Vested	(249)
Number of Shares, Forfeited	(85)
Number of Shares, Unvested, Ending Balance	634	642
Weighted-Average Grant Date Fair Value, Unvested, Beginning Balance	$ 38.99
Weighted-Average Grant Date Fair Value, Granted	46.64	$ 35.15	$ 43.84
Weighted-Average Grant Date Fair Value, Vested	39.97
Weighted-Average Grant Date Fair Value, Forfeited	39.72
Weighted-Average Grant Date Fair Value, Unvested, Ending Balance	$ 42.45	$ 38.99

Fair Value Measurements

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 8 – Fair Value Measurements

The Company has certain financial assets and liabilities which have been classified as either Level 1, 2, or 3 within the fair value hierarchy as described below.

Level 1 — Fair value based on quoted prices in active markets for identical assets or liabilities.

Level 2 — Fair value based on inputs other than Level 1 inputs that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 — Fair value based on unobservable inputs that are supported by little or no market activity and such inputs are significant to the fair value of the assets or liabilities.

The following table represents the Company’s fair value hierarchy for its financial assets and liabilities that are measured at fair value on a recurring basis (in thousands):


	As of December 31, 2021
	Level 1		Level 2			Total
Assets:
Money market funds (1)	$	6,885	$	—		$	6,885
Marketable investments (2)		—		18,509			18,509
Total Assets	$	6,885	$	18,509		$	25,394

Liabilities:
Interest rate swap (3)	$	—	$	(294	)	$	(294	)
Total Liabilities	$	—	$	(294	)	$	(294	)


	As of December 31, 2020
	Level 1		Level 2			Total
Assets:
Money market funds (1)	$	503	$	—		$	503
Total Assets	$	503	$	—		$	503

Liabilities:
Interest rate swap (3)	$	—	$	(1,144	)	$	(1,144	)
Total Liabilities	$	—	$	(1,144	)	$	(1,144	)

(1)

Included in cash and cash equivalents in the Consolidated Balance Sheets.

(2)

(3)

During the years ended December 31, 2021 and 2020, the Company did not transfer assets or liabilities between levels of the fair value hierarchy. Additionally, there have been no changes to the valuation techniques for Level 2 liabilities.

Level 3 activity consisted entirely of the contingent purchase price related to the acquisition of FeedbackNow during 2018. Changes in the fair value of Level 3 contingent consideration were as follows (in thousands):


	Contingent
	Consideration
Balance at December 31, 2018		(4,196	)
Fair value adjustment of contingent purchase price (1)		(68	)
Payment of contingent purchase price (2)		1,769
Foreign exchange effect		(16	)
Balance at December 31, 2019		(2,511	)
Fair value adjustment of contingent purchase price (1)		(22	)
Payment of contingent purchase price (3)		2,680
Foreign exchange effect		(147	)
Balance at December 31, 2020	$	—

(1)

(2)

During the third quarter of 2019, the first year financial targets were met and $1.8 million was paid to the sellers during the same period.

(3)

During the third quarter of 2020, the second year financial targets were met and $2.7 million was paid to the sellers during the fourth quarter of 2020.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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