CBIZ (CBZ) 10-Q 2 May 22 2022 Q1 Quarterly report Financial data

Cover

Cover - shares	3 Months Ended
	Mar. 31, 2022	Apr. 25, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	1-32961
Entity Registrant Name	CBIZ, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-2769024
Entity Address, Address Line One	6801 Brecksville Rd
Entity Address, Address Line Two	Door N
Entity Address, City or Town	Independence
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44131
City Area Code	216
Local Phone Number	447-9000
Title of 12(b) Security	Common Stock, $0.01 Par Value
Trading Symbol	CBZ
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		52,142,095
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000944148
Current Fiscal Year End Date	--12-31

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 558	$ 1,997
Restricted cash	33,394	30,383
Accounts receivable, net	365,758	242,168
Other current assets	12,784	19,217
Current assets before funds held for clients	412,494	293,765
Funds held for clients	199,065	157,909
Total current assets	611,559	451,674
Non-current assets:
Property and equipment, net	43,184	43,423
Goodwill and other intangible assets, net	951,902	840,783
Assets of deferred compensation plan	132,284	136,321
Operating lease right-of-use assets, net	195,591	151,145
Other non-current assets	7,924	4,588
Total non-current assets	1,330,885	1,176,260
Total assets	1,942,444	1,627,934
Current liabilities:
Accounts payable	70,431	65,757
Income taxes payable	17,678	1,671
Accrued personnel costs	66,696	114,032
Contingent purchase price liabilities	49,976	34,373
Operating lease liabilities	34,910	30,586
Other current liabilities	18,070	18,755
Current liabilities before client fund obligations	257,761	265,174
Client fund obligations	200,614	158,115
Total current liabilities	458,375	423,289
Non-current liabilities:
Bank debt	298,900	155,300
Debt issuance costs	(359)	(449)
Total long-term debt	298,541	154,851
Income taxes payable	1,820	1,727
Deferred income taxes, net	18,960	15,440
Deferred compensation plan obligations	132,284	136,321
Contingent purchase price liabilities	86,558	44,766
Operating lease liabilities	185,122	145,808
Other non-current liabilities	936	1,184
Total non-current liabilities	724,221	500,097
Total liabilities	1,182,596	923,386
STOCKHOLDERS' EQUITY
Common stock	1,358	1,352
Additional paid in capital	777,731	770,117
Retained earnings	686,889	628,762
Treasury stock	(707,088)	(694,716)
Accumulated other comprehensive income (loss)	958	(967)
Total stockholders’ equity	759,848	704,548
Total liabilities and stockholders’ equity	$ 1,942,444	$ 1,627,934

Condensed Consolidated Statemen

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Revenue	$ 391,722	$ 300,730
Operating expenses	290,299	223,971
Gross margin	101,423	76,759
Corporate general and administrative expenses	16,309	14,483
Operating income	85,114	62,276
Other income (expense):
Interest expense	(1,259)	(877)
Other (expense) income, net	(6,403)	4,789
Total other (expense) income, net	(7,662)	3,912
Income from continuing operations before income tax    expense	77,452	66,188
Income tax expense	19,321	15,972
Income from continuing operations	58,131	50,216
Loss from discontinued operations, net of tax	(4)	(7)
Net income	$ 58,127	$ 50,209
Basic:
Continuing operations (in dollars per share)	$ 1.12	$ 0.94
Discontinued operations (in dollars per share)	0	0
Net income (in dollars per share)	1.12	0.94
Diluted:
Continuing operations (in dollars per share)	1.10	0.92
Discontinued operations (in dollars per share)	0	0
Net income (in dollars per share)	$ 1.10	$ 0.92
Basic weighted average shares outstanding (in shares)	52,119	53,366
Diluted weighted average shares outstanding (in shares)	52,955	54,436
Comprehensive income:
Net income	$ 58,127	$ 50,209
Other comprehensive income, net of tax	1,925	854
Comprehensive income	$ 60,052	$ 51,063

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Restricted Stock Units and Awards	Performance share units	Common Stock	Common StockRestricted Stock Units and Awards	Common StockPerformance share units	Treasury Shares	Additional Paid-In Capital	Additional Paid-In CapitalRestricted Stock Units and Awards	Additional Paid-In CapitalPerformance share units	Retained Earnings	Accumulated Other Comprehensive (Loss) Income
Beginning balance (in shares) at Dec. 31, 2020				134,144			80,045
Beginning balance at Dec. 31, 2020	$ 702,620			$ 1,341			$ (595,297)	$ 740,970			$ 557,875	$ (2,269)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	50,209										50,209
Other comprehensive income	854											854
Share repurchases (in shares)							1,117
Share repurchases	(32,678)						$ (32,678)
Indirect repurchase of shares for minimum tax withholding (in shares)							47
Indirect repurchase of shares for minimum tax withholding	(1,464)						$ (1,464)
Restricted stock units and awards and Performance share units (in shares)				46
Restricted stock units and awards and Performance share units	0			$ 1				(1)
Stock options exercised (in shares)				397
Stock options exercised	4,408			$ 4				4,404
Stock-based compensation	2,855							2,855
Business acquisitions (in shares)				38
Business acquisitions	979							979
Ending balance (in shares) at Mar. 31, 2021				134,625			81,209
Ending balance at Mar. 31, 2021	727,783			$ 1,346			$ (629,439)	749,207			608,084	(1,415)
Beginning balance (in shares) at Dec. 31, 2021				135,187			83,149
Beginning balance at Dec. 31, 2021	704,548			$ 1,352			$ (694,716)	770,117			628,762	(967)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	58,127										58,127
Other comprehensive income	1,925											1,925
Share repurchases (in shares)							148
Share repurchases	(5,999)						$ (5,999)
Indirect repurchase of shares for minimum tax withholding (in shares)							165
Indirect repurchase of shares for minimum tax withholding	$ (6,373)						$ (6,373)
Restricted stock units and awards and Performance share units (in shares)					92	211
Restricted stock units and awards and Performance share units		$ 0	$ 0		$ 1	$ 2			$ (1)	$ (2)
Stock options exercised (in shares)	247			247
Stock options exercised	$ 3,224			$ 3				3,221
Stock-based compensation	3,689							3,689
Business acquisitions (in shares)				19
Business acquisitions	707							707
Ending balance (in shares) at Mar. 31, 2022				135,756			83,462
Ending balance at Mar. 31, 2022	$ 759,848			$ 1,358			$ (707,088)	$ 777,731			$ 686,889	$ 958

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income	$ 58,127	$ 50,209
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization expense	8,173	6,252
Bad debt expense, net of recoveries	549	58
Adjustment to contingent earnout liability	642	660
Stock-based compensation expense	3,689	2,855
Deferred income taxes	2,944	3,348
Other, net	52	96
Changes in assets and liabilities, net of acquisitions and divestitures:
Accounts receivable, net	(93,222)	(54,651)
Other assets	(2,441)	(997)
Accounts payable	3,370	(4,873)
Income taxes payable	16,100	11,805
Accrued personnel costs	(39,243)	(29,755)
Other liabilities	(9,626)	172
Operating cash flows used in continuing operations	(50,886)	(14,821)
Operating cash flows used in discontinued operations	(4)	(6)
Net cash used in operating activities	(50,890)	(14,827)
Cash flows from investing activities:
Business acquisitions and purchases of client lists, net of cash acquired	(72,469)	(2,012)
Purchases of client fund investments	(8,450)	0
Proceeds from the sales and maturities of client fund investments	2,370	3,090
Proceeds from sales of divested operations	55	0
Change in funds held for clients	85	83
Additions to property and equipment	(833)	(1,146)
Other, net	(2,289)	214
Net cash (used in) provided by investing activities	(81,531)	229
Cash flows from financing activities:
Proceeds from bank debt	268,000	235,700
Payment of bank debt	(124,400)	(181,700)
Payment for acquisition of treasury stock	(5,199)	(31,678)
Indirect repurchase of shares for minimum tax withholding	(6,373)	(1,464)
Changes in client funds obligations	42,499	(26,499)
Proceeds from exercise of stock options	3,224	4,408
Payment of contingent consideration for acquisitions	(7,305)	(1,670)
Other, net	0	(57)
Net cash provided by (used in) financing activities	170,446	(2,960)
Net increase (decrease) in cash, cash equivalents and restricted cash	38,025	(17,558)
Cash, cash equivalents and restricted cash at beginning of year	150,474	170,335
Cash, cash equivalents and restricted cash at end of period	188,499	152,777
Reconciliation of cash, cash equivalents and restricted cash to the   Condensed Consolidated Balance Sheets:
Cash and cash equivalents	558	6,778
Restricted cash	33,394	27,618
Cash equivalents included in funds held for clients	154,547	118,381
Total cash, cash equivalents and restricted cash	$ 188,499	$ 152,777

Summary of Significant Accounti

Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2022
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Selected Terms Used in Notes to the Condensed Consolidated Financial Statements ASA – Administrative Service Agreement ASC – Accounting Standards Codification ASU – Accounting Standards Update CPA firm – Certified Public Accounting firm FASB – The Financial Accounting Standards Board GAAP – United States Generally Accepted Accounting Principles LIBOR – London Interbank Offered Rate SEC – United States Securities and Exchange Commission Description of Business: CBIZ, Inc. is a diversified services company which, acting through its subsidiaries, has been providing professional business services since 1996, primarily to small and medium-sized businesses, as well as individuals, governmental entities, and not-for-profit enterprises throughout the United States and parts of Canada. CBIZ, Inc. manages and reports its operations along three practice groups: Financial Services, Benefits and Insurance Services and National Practices. A further description of products and services offered by each of the practice groups is provided in Note 12, Segment Disclosures, to the accompanying unaudited condensed consolidated financial statements. Basis of Consolidation: The accompanying unaudited condensed consolidated financial statements include the operations of CBIZ, Inc. and all of its wholly-owned subsidiaries (“CBIZ”, the “Company”, “we”, “us”, or “our”), after elimination of all intercompany balances and transactions. These unaudited condensed consolidated financial statements do not reflect the operations or accounts of variable interest entities as the impact is not material to the financial condition, results of operations or cash flows of CBIZ. Unaudited Interim Financial Statements: The unaudited condensed consolidated financial statements have been prepared in accordance with GAAP and applicable rules and regulations of the SEC regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this quarterly report on Form 10-Q should be read in conjunction with the consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. In the opinion of CBIZ management, the accompanying unaudited condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial condition, results of operations, and cash flows for the interim periods presented, but are not necessarily indicative of the results of operations to be anticipated for the full year ending December 31, 2022. Use of Estimates: The preparation of unaudited condensed consolidated financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the amounts reported and disclosed in the financial statements and the accompanying notes. Changes in circumstances could cause actual results to differ materially from these estimates. Changes in Accounting Policies: We have consistently applied the accounting policies for the periods presented as described in Note 1, Basis of Presentation and Significant Accounting Policies, to the consolidated financial statements contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. In 2021, CBIZ formed a grantor trust (the “Trust”) with Wilmington Savings Funds Society, FSB, a Federal savings bank, serving as trustee. The Trust holds the majority of the funds provided by CBIZ’s clients for payroll processing pending remittance to employees of those clients, tax authorities, and other payees. CBIZ is the sole beneficial owner of the Trust. The Trust is considered a variable interest

New Accounting Pronouncements

New Accounting Pronouncements	3 Months Ended
	Mar. 31, 2022
Accounting Changes and Error Corrections [Abstract]
New Accounting Pronouncements	NEW ACCOUNTING PRONOUNCEMENTS The FASB ASC is the sole source of authoritative GAAP other than the SEC issued rules and regulations that apply only to SEC registrants. The FASB issues an accounting standard to communicate changes to the FASB codification. We assess and review the impact of all accounting standards. Any accounting standards not listed below were reviewed and determined to be either not applicable or are not expected to have a material impact on the consolidated financial statements of the Company. Accounting Standards Issued But Not Yet Adopted Reference Rate Reform : In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting , which provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendments in this ASU are effective for all entities through December 31, 2022. We are currently evaluating the effect of this new standard on our consolidated financial statements and have not adopted any of the transition relief available under the new guidance as of March 31, 2022. Subsequently, in January 2021, the FASB issued ASU No. 2021-01, Reference Rate Reform (Topic 848): Scope , which provides optional temporary guidance for entities transitioning away from the LIBOR and other interbank offered rates to new reference rates so that derivatives affected by the discounting transition are explicitly eligible for certain optional expedients and exceptions within Topic 848. This ASU clarifies that the derivative instruments affected by the discounting transition are explicitly eligible for certain optional expedients and exceptions provided in Topic 848. ASU 2021-01 is effective immediately for all entities. Entities may elect to apply the amendments on a full retrospective basis as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020, or on a prospective basis to new modifications from any date within an interim period that includes or is subsequent to the date of the issuance of a final update, up to the date that financial statements are available to be issued. The amendments provided in this ASU do not apply to contract modifications made, as well as new hedging relationships entered into, after December 31, 2022, and to existing hedging relationships evaluated for effectiveness for periods after December 31, 2022, except for certain hedging relationships existing as of December 31, 2022, that apply certain optional expedients in which the accounting effects are recorded through the end of the hedging relationship. We are currently evaluating the effect of this new standard on our consolidated financial statements and have not adopted any of the transition relief available under the new guidance as of March 31, 2022.

Accounts Receivable, Net

Accounts Receivable, Net	3 Months Ended
	Mar. 31, 2022
Receivables [Abstract]
Accounts Receivable, Net	ACCOUNTS RECEIVABLE, NETAccounts receivable, less allowance for doubtful accounts, reflects the net realizable value of receivables and approximates fair value. Unbilled revenue is recorded at estimated net realizable value. Assessing the collectability of the receivables (billed and unbilled) requires management judgment based on a combination of factors, including but not limited to, an evaluation of our historical incurred loss experience, credit-worthiness of our clients, age of the trade receivable balance, current economic conditions that may affect a client’s ability to pay, and reasonable and supportable forecasts. Receivables are charged-off against the allowance when the balance is deemed uncollectible. Accounts receivable, net, at March 31, 2022 and December 31, 2021 was as follows (in thousands): March 31, December 31, Trade accounts receivable $ 226,704 $ 190,710 Unbilled revenue, at net realizable value 155,176 67,616 Total accounts receivable 381,880 258,326 Allowance for doubtful accounts (16,122) (16,158) Accounts receivable, net $ 365,758 $ 242,168 Changes to the allowance for doubtful accounts for the three months ended March 31, 2022 and twelve months ended December 31, 2021 are as follows (in thousands): March 31, December 31, Balance at beginning of period $ (16,158) $ (14,894) Provision (1,270) (9,422) Charge-offs, net of recoveries 1,306 8,158 Allowance for doubtful accounts $ (16,122) $ (16,158)

Debt and Financing Arrangements

Debt and Financing Arrangements	3 Months Ended
	Mar. 31, 2022
Debt Disclosure [Abstract]
Debt and Financing Arrangements	DEBT AND FINANCING ARRANGEMENTS 2018 Credit Facility - Our primary financing arrangement is the $400 million unsecured credit facility (the “2018 credit facility” or the “credit facility”), which provides us with the capital necessary to meet our working capital needs as well as the flexibility to continue with our strategic initiatives, including business acquisitions and share repurchases. The 2018 credit facility matures in 2023. The balance outstanding under the 2018 credit facility was $298.9 million and $155.3 million at March 31, 2022 and December 31, 2021, respectively. Effective interest rates, including the impact of interest rate swaps associated with the 2018 credit facility, were as follows: Three Months Ended 2022 2021 Weighted average rates 1.79% 2.10% Range of effective rates 1.08% - 3.64% 1.08% - 3.64% We had approximately $94.8 million of available funds under the credit facility at March 31, 2022, net of outstanding letters of credit of $5.7 million. As of March 31, 2022, we were in compliance with our financial debt covenants. Other Line of Credit - We have an unsecured $20.0 million line of credit by and among CBIZ Benefits and Insurance, Inc. and Huntington National Bank. We utilize this line to support our short-term funding requirements of payroll client fund obligations due to the investment of client funds, rather than liquidating client funds that have already been invested in available-for-sale securities. The line of credit, which was renewed on August 5, 2021 and will terminate on August 4, 2022, did not have a balance outstanding at March 31, 2022. Refer to our Annual Report on Form 10-K for the year ended December 31, 2021 for additional details of our debt and financing arrangements. Interest Expense - Interest expense, including amortization of deferred financing costs, commitment fees, line of credit fees, and other applicable bank charges, was as follows (in thousands): Three Months Ended March 31, 2022 2021 2018 credit facility $ 1,259 $ 871 Other — 6 Total $ 1,259 $ 877

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES Letters of Credit and Guarantees - We provide letters of credit to landlords (lessors) of our leased premises in lieu of cash security deposits, which totaled $5.7 million and $3.4 million at March 31, 2022 and December 31, 2021, respectively. In addition, we provide license bonds to various state agencies to meet certain licensing requirements. The amount of license bonds outstanding was $2.3 million and $2.3 million at March 31, 2022 and December 31, 2021, respectively. Legal Proceedings - On December 19, 2016, CBIZ Operations, Inc. (“CBIZ Operations”) was named as a defendant in a lawsuit filed by Zotec Partners, LLC (“Zotec”) in the Marion County Indiana Superior Court. After various amendments, the lawsuit asserts claims under Indiana law for securities, statutory and common law fraud or deception, unjust enrichment, breach of contract, and vicarious liability against CBIZ Operations and a former employee of CBIZ MMP in connection with the sale of the CBIZ MMP medical billing practice to Zotec. The plaintiff claims that CBIZ Operations had a duty to disclose the fact, unknown to employees of CBIZ Operations at the time of the transaction, that the former employee had a financial arrangement with a Zotec vendor at the time CBIZ Operations sold CBIZ MMP to Zotec. The plaintiff is seeking damages of up to $177.0 million out of the $200.0 million transaction price. Trial was held in October 2021. The jury found in favor of CBIZ on all fraud, contract and other claims before it. Zotec’s remaining claim for Indiana statutory securities fraud and CBIZ’s counterclaim for breach of contract against Zotec will be addressed by the trial Judge at a later date.

Financial Instruments

Financial Instruments	3 Months Ended
	Mar. 31, 2022
Investments, All Other Investments [Abstract]
Financial Instruments	FINANCIAL INSTRUMENTS Available-For-Sale Debt Securities - In connection with certain services provided by our payroll operations, we collect funds from our clients’ accounts in advance of paying client obligations. These funds held for clients are segregated and invested in accordance with our investment policy, which requires all investments carry an investment grade rating at the time of initial investment. These investments, primarily consisting of corporate and municipal bonds, are classified as available-for-sale and are included in the “Funds held for clients” line item on the accompanying Condensed Consolidated Balance Sheets. The par value of these investments totaled $43.1 million and $37.0 million at March 31, 2022 and December 31, 2021, respectively, and had maturity or callable dates ranging from April 2022 through November 2025. At March 31, 2022, unrealized losses on the securities were not material and have not been recognized as a credit loss because the bonds are investment grade quality and management is not required or does not intend to sell prior to an expected recovery in value. The bond issuers continue to make timely principal and interest payments. The following table summarizes activities related to these investments for the three months ended March 31, 2022 and the twelve months ended December 31, 2021 (in thousands): Three Months Ended March 31, 2022 Twelve Months Ended December 31, 2021 Fair value at beginning of period $ 38,670 $ 25,708 Purchases 8,450 26,980 Redemptions (400) (6,530) Maturities (1,970) (8,347) Change in bond premium 206 1,517 Fair market value adjustment (1,291) (658) Fair value at end of period $ 43,665 $ 38,670 In addition to the available-for-sale debt securities discussed above, we also held other depository assets in the amount of $0.9 million and $1.1 million at March 31, 2022 and December 31, 2021, respectively. Those depository assets are classified as Level 1 in the fair value hierarchy. Interest Rate Swaps - We utilize interest rate swaps to manage interest rate risk exposure associated with our floating-rate debt under the 2018 credit facility, or the forecasted acquisition of such liability. We do not purchase or hold any derivative instruments for trading or speculative purposes. Refer to the Annual Report on Form 10-K for the year ended December 31, 2021 for further discussion on our interest rate swaps. As of March 31, 2022, we have four interest rate swaps outstanding. Under the terms of the interest rate swaps, we pay interest at a fixed rate of interest plus applicable margin as stated in the agreements, and receive interest that varies with the one-month LIBOR. The notional value, fixed rate of interest and expiration date of each interest rate swap as of March 31, 2022 is (i) $20.0 million – 1.770% - May 2022, (ii) $15.0 million – 2.640% - June 2023, (iii) $50.0 million - 0.885% - April 2025 and (iv) $30.0 million - 1.249% - December, 2026. Refer to Note 7, Fair Value Measurements, for additional disclosures regarding fair value measurements. The following table summarizes our outstanding interest rate swaps and their classification in the accompanying Condensed Consolidated Balance Sheets at March 31, 2022 and December 31, 2021 (in thousands): March 31, 2022 Notional Fair Balance Sheet Location Interest rate swap $ 20,000 $ (32) Other current liability Interest rate swap $ 15,000 $ (128) Other non-current liability Interest rate swaps $ 80,000 $ 3,738 Other non-current assets December 31, 2021 Notional Fair Balance Sheet Location Interest rate swap $ 20,000 $ (120) Other current liability Interest rate swaps $ 45,000 $ (496) Other non-current liabilities Interest rate swap $ 50,000 $ 405 Other non-current asset The following table summarizes the effects of the interest rate swaps on the accompanying Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2022 and 2021 (in thousands): Gain Recognized Loss Reclassified Three Months Ended Three Months Ended 2022 2021 2022 2021 Interest rate swaps $ 2,607 $ 961 $ (343) $ (285)

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2022
Fair Value Disclosures [Abstract]
Fair Value Measurements	FAIR VALUE MEASUREMENTS The following table summarizes our assets and (liabilities) at March 31, 2022 and December 31, 2021, respectively, that are measured at fair value on a recurring basis subsequent to initial recognition and indicates the fair value hierarchy of the valuation techniques utilized by us to determine such fair value (in thousands): Level March 31, 2022 December 31, 2021 Deferred compensation plan assets 1 $ 132,284 $ 136,321 Available-for-sale debt securities 1 43,665 38,670 Other depository assets 1 853 1,144 Deferred compensation plan liabilities 1 (132,284) (136,321) Interest rate swaps 2 3,578 (211) Contingent purchase price liabilities 3 (136,534) (79,139) During the three months ended March 31, 2022 and 2021, there were no transfers between the valuation hierarchy Levels 1, 2 and 3. The following table summarizes the change in Level 3 fair values of our contingent purchase price liabilities for the three months ended March 31, 2022 and 2021 (pre-tax basis) (in thousands): 2022 2021 Beginning balance – January 1 $ (79,139) $ (54,391) Additions from business acquisitions (64,648) (1,622) Settlement of contingent purchase price liabilities 7,895 2,443 Change in fair value of contingencies 80 (279) Change in net present value of contingencies (722) (381) Ending balance – March 31 $ (136,534) $ (54,230) Contingent purchase price liabilities result from our business acquisitions and are recorded at fair value at the time of acquisition and are presented as “Contingent purchase price liabilities — current” and “Contingent purchase price liabilities — non-current” in the accompanying Condensed Consolidated Balance Sheets. We estimate the fair value of our contingent purchase price liabilities using a probability-weighted discounted cash flow model. This fair value measure is based on significant inputs not observed in the market and thus represents a Level 3 measurement. Fair value measurements characterized within Level 3 of the fair value hierarchy are measured based on unobservable inputs that are supported by little or no market activity and reflect our own assumptions in measuring fair value. We probability weight risk-adjusted estimates of future performance of acquired businesses, then calculate the contingent purchase price based on the estimates and discount them to present value representing management’s best estimate of fair value. The fair value of the contingent purchase price liabilities is reassessed quarterly based on assumptions provided by practice group leaders and business unit controllers together with our corporate finance department. Any change in the fair value estimate is recorded in the earnings of that period. Refer to Note 11, Business Combinations, for further discussion of our acquisitions and contingent purchase price liabilities.

Other Comprehensive Income

Other Comprehensive Income	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Other Comprehensive Income	OTHER COMPREHENSIVE INCOME The following table is a summary of other comprehensive income and discloses the tax impact of each component of other comprehensive income for the three months ended March 31, 2022 and 2021 (in thousands): Three Months Ended 2022 2021 Net unrealized loss on available-for-sale securities, net of income taxes (1) $ (939) $ (103) Net unrealized gain on interest rate swaps, net of income taxes (2) 2,866 961 Foreign currency translation (2) (4) Total other comprehensive income $ 1,925 $ 854 (1) Net of income tax benefit of $352 and income tax benefit of $39 for the three months ended March 31, 2022 and 2021, respectively. (2) Net of income tax expense of $928 and income tax expense of $310 for the three months ended March 31, 2022 and 2021, respectively.

Employee Stock Plans

Employee Stock Plans	3 Months Ended
	Mar. 31, 2022
Share-based Payment Arrangement [Abstract]
Employee Stock Plans	EMPLOYEE STOCK PLANSThe 2019 Stock Omnibus Incentive Plan (the “2019 Plan”), which expires in 2029, permits the grant of various forms of stock-based awards. The terms and vesting schedules for the stock-based awards vary by type and date of grant. A maximum of 3.1 million stock options, restricted stock or other stock- based compensation awards may be granted. Shares subject to award under the 2019 Plan may be either authorized but unissued shares of our common stock or treasury shares. Refer to the Annual Report on Form 10-K for the year ended December 31, 2021 for further discussion on the 2019 Plan. Compensation expense for stock-based awards recognized during the three months ended March 31, 2022 and 2021 was as follows (in thousands): Three Months Ended 2022 2021 Stock options $ 173 $ 301 Restricted stock units and awards 1,493 1,381 Performance share units 2,023 1,173 Total stock-based compensation expense $ 3,689 $ 2,855 Stock Options and Restricted Stock Units and Awards – The following table presents our stock options and restricted stock units and awards activity during the three months ended March 31, 2022 (in thousands, except per share data): Stock Options Restricted Stock Units and Awards Number of Weighted Average Exercise Price Per Share Number of Weighted Average Grant-Date Fair Value (1) Outstanding at beginning of year 1,223 $ 17.71 389 $ 25.07 Granted — $ — 101 $ 38.12 Exercised or released (247) $ 13.05 (146) $ 24.04 Outstanding at March 31, 2022 976 $ 18.89 344 $ 29.34 Exercisable at March 31, 2022 828 $ 18.79 (1) Represents weighted average market value of the shares; awards are granted at no cost to the recipients. Performance Share Units (“PSUs”) – PSUs are earned based on our financial performance over a contractual term of three years and the associated expense is recognized over that period based on the fair value of the award. A three-year cliff vesting schedule of the PSUs is dependent upon the Company’s performance relative to pre-established goals based on an earnings per share target (weighted 70%) and total growth in revenue (weighted 30%). The fair value of PSUs is calculated using the market value of a share of our common stock on the date of grant. For performance achieved above specified levels, the recipient may earn additional shares of stock, not to exceed 200% of the number of PSUs initially granted. The following table presents our PSU award activity during the three months ended March 31, 2022 (in thousands, except per share data): Performance Weighted Average Grant-Date Fair Value Per Unit (1) Outstanding at beginning of year 473 $ 23.64 Granted 101 $ 38.12 Vested (211) $ 19.82 Outstanding at March 31, 2022 363 $ 29.89 (1) Represents weighted average market value of the performance share units; PSUs are granted at no cost to the recipients.

Earnings Per Share

Earnings Per Share	3 Months Ended
	Mar. 31, 2022
Earnings Per Share [Abstract]
Earnings Per Share	EARNINGS PER SHARE The following table sets forth the computation of basic and diluted earnings per share from continuing operations for the three months ended March 31, 2022 and 2021 (in thousands, except per share data): Three Months Ended 2022 2021 Numerator: Income from continuing operations $ 58,131 $ 50,216 Denominator: Basic Weighted average common shares outstanding 52,119 53,366 Diluted Stock options (1) 619 776 Restricted stock units and awards (1) 217 257 Contingent shares (2) — 37 Diluted weighted average common shares outstanding (3) 52,955 54,436 Basic earnings per share from continuing operations $ 1.12 $ 0.94 Diluted earnings per share from continuing operations $ 1.10 $ 0.92 (1) A total of 55 thousand and 1 thousand shares of stock-based awards were excluded from the calculation of diluted earnings per share for the three months ended March 31, 2022 and 2021 respectively, as their effect would be anti-dilutive. (2) Contingent shares represent additional shares to be issued for purchase price earned by former owners of businesses acquired by us once future considerations have been met. Refer to Note 11, Business Combinations, for further details. (3) The denominator used in calculating diluted earnings per share did not include 363 thousand and 447 thousand performance share units for the three months ended March 31, 2022 and 2021, respectively. The performance conditions associated with these performance share units were not met and consequently none of these performance share units were considered as issuable for the three months ended March 31, 2022 and 2021.

Business Combinations

Business Combinations	3 Months Ended
	Mar. 31, 2022
Business Combination and Asset Acquisition [Abstract]
Business Combinations	BUSINESS COMBINATIONS Business Combinations During the three months ended March 31, 2022, we completed the following acquisition: • Effective January 1, 2022, we acquired all of the non-attest assets of Marks Paneth LLP ("Marks Paneth"). Marks Paneth, based in New York City, is a provider of a full range of accounting, tax and consulting services to a wide range of industries. Marks Paneth is included as a component of our Financial Services practice group. Mayer Hoffman, an unrelated party, acquired the attest assets from Marks Paneth in a separate transaction. Operating results are reported in the Financial Services practice group. During the three months ended March 31, 2021, we completed the following acquisition: • Effective January 1, 2021, we acquired substantially all the assets of Middle Market Advisory Group (“MMA”). MMA, based in Englewood, Colorado, is a provider of tax compliance and consulting services to middle market companies and family groups in the real estate, automotive, technology and SAAS, construction, and manufacturing industries. Operating results are reported in the Financial Services practice group. The acquisition of Marks Paneth is expected to add approximately $138.0 million revenue in 2022. For the three months ended March 31, 2022, we recorded approximately $6.0 million non-recurring transaction, retention and integration related costs associated with this acquisition. Pro forma results of operations for these acquisitions have not been presented because the effects of these acquisitions were not material, either individually or in aggregate, to our total revenue, income from continuing operations, and net income for the three months ended March 31, 2022 and 2021, respectively. The following table summarizes the consideration and preliminary purchase price allocation for the acquisitions completed during the three months ended March 31, 2022 and 2021, respectively (in thousands): 2022 2021 Cash paid 72,469 1,900 Recorded contingent consideration 64,648 1,622 Total recorded purchase price $ 137,117 $ 3,522 Accounts receivable acquired 18,230 — Fixed assets acquired 1,793 — Identifiable intangible assets acquired 48,000 2,069 Operating lease right-of-use asset acquired 49,291 — Other assets acquired 1,497 — Operating lease liability acquired - current (5,860) — Other current liabilities acquired (909) — Operating lease liability acquired - noncurrent (43,431) — Goodwill 68,506 1,453 Total net assets acquired $ 137,117 $ 3,522 Maximum potential contingent consideration $ 67,115 $ 1,700 Provisional estimates of fair value are established at the time of each acquisition and are subsequently reviewed within the first year of operations subsequent to the acquisition date to determine the necessity for adjustments. Fair value estimates of the Marks Paneth acquisition were provisional as of March 31, 2022, primarily related to the value established for certain identifiable intangible assets and contingent purchase price consideration. The following table summarizes the goodwill and intangible asset amounts resulting from those acquisitions for the three months ended March 31, 2022 and 2021, respectively (in thousands): Three Months Ended March 31, 2022 2021 Financial Services Financial Services Goodwill $ 68,506 $ 1,453 Client list 48,000 1,980 Other intangibles — 89 Total $ 116,506 $ 3,522 Goodwill is calculated as the difference between the aggregated purchase price and the fair value of the net assets acquired. Goodwill represents the value of expected future earnings and cash flows, as well as the synergies created by the integration of the new businesses within our organization, including cross-selling opportunities expected with our Financial Services practice group and the Benefits and Insurance Services practice group, to help strengthen our existing service offerings and expand our market position. Goodwill related to these acquisitions is deductible for tax purposes. Client lists have an expected life of 10 years, and other intangibles, primarily non-compete agreements, have an expected life of 3 years. Client lists and non-compete agreements are valued using a discounted cash flow technique based on management estimates of future cash flows from such assets. The following table summarizes the changes in contingent purchase price consideration for previous acquisitions and contingent payments made for previous business acquisitions in the three months ended March 31, 2022 and 2021, respectively (in thousands): Three Months Ended March 31, 2022 2021 Net expense $ 642 $ 660 Cash settlement paid $ 7,077 $ 1,463 Shares issued (number) 19 38

Segment Disclosures

Segment Disclosures	3 Months Ended
	Mar. 31, 2022
Segment Reporting [Abstract]
Segment Disclosures	SEGMENT DISCLOSURES Our business units have been aggregated into three practice groups: Financial Services, Benefits and Insurance Services and National Practices. The business units have been aggregated based on the following factors: similarity of the products and services provided to clients; similarity of the regulatory environment in which they operate; and similarity of economic conditions affecting long-term performance. The business units are managed along these segment lines. A general description of services provided by each practice group is provided in the table below. Financial Services Benefits and Insurance Services National Practices Accounting and Tax Employee Benefits Consulting Information Technology Managed Networking and Hardware Services Financial Advisory Payroll / Human Capital Management Healthcare Consulting Valuation Property and Casualty Insurance Risk and Advisory Services Retirement and Investment Services Government Healthcare Consulting Corporate and Other - Included in Corporate and Other are operating expenses that are not directly allocated to the individual business units. These expenses primarily consist of certain health care costs, gains or losses attributable to assets held in our non-qualified deferred compensation plan, stock-based compensation, consolidation and integration charges, certain professional fees, certain advertising costs and other various expenses. Accounting policies of the practice groups are the same as those described in Note 1, Basis of Presentation and Significant Accounting Policies, to the Annual Report on Form 10-K for the year ended December 31, 2021. Upon consolidation, intercompany accounts and transactions are eliminated, thus inter-segment revenue is not included in the measure of profit or loss for the practice groups. Performance of the practice groups is evaluated on income (loss) from continuing operations before income tax expense (benefit) excluding those costs listed above, which are reported in the “Corporate and Other”. Segment information for the three months ended March 31, 2022 and 2021 is presented below. We do not manage our assets on a segment basis, therefore segment assets are not presented below. Three Months Ended March 31, 2022 Financial Benefits and National Consolidated Accounting, tax, advisory and consulting $ 288,746 — — $ 288,746 Core benefits and insurance services — 88,936 — 88,936 Non-core benefits and insurance services — 3,550 — 3,550 Managed networking, hardware services — — 7,921 7,921 National practices consulting — — 2,569 2,569 Total revenue $ 288,746 $ 92,486 $ 10,490 $ 391,722 Three Months Ended March 31, 2021 Financial Benefits and National Consolidated Accounting, tax, advisory and consulting $ 204,149 — — $ 204,149 Core benefits and insurance services — 84,070 — 84,070 Non-core benefits and insurance services — 3,169 — 3,169 Managed networking, hardware services — — 6,895 6,895 National practices consulting — — 2,447 2,447 Total revenue $ 204,149 $ 87,239 $ 9,342 $ 300,730 Segment information for the three months ended March 31, 2022 and 2021 was as follows (in thousands): Three Months Ended March 31, 2022 Financial Benefits National Corporate Total Revenue $ 288,746 $ 92,486 $ 10,490 $ — $ 391,722 Operating expenses (income) 209,800 72,657 9,576 (1,734) 290,299 Gross margin 78,946 19,829 914 1,734 101,423 Corporate general and administrative expenses — — — 16,309 16,309 Operating income (loss) 78,946 19,829 914 (14,575) 85,114 Other income (expense): Interest expense — — — (1,259) (1,259) Other income (expense), net 86 (24) — (6,465) (6,403) Total other income (expense), net 86 (24) — (7,724) (7,662) Income (loss) from continuing operations before income tax expense $ 79,032 $ 19,805 $ 914 $ (22,299) $ 77,452 Three Months Ended March 31, 2021 Financial Benefits National Corporate Total Revenue $ 204,149 $ 87,239 $ 9,342 $ — $ 300,730 Operating expenses 141,746 66,933 8,541 6,751 223,971 Gross margin 62,403 20,306 801 (6,751) 76,759 Corporate general and administrative expenses — — — 14,483 14,483 Operating income (loss) 62,403 20,306 801 (21,234) 62,276 Other income (expense): Interest expense — — — (877) (877) Other income, net 98 174 — 4,517 4,789 Total other income, net 98 174 — 3,640 3,912 Income (loss) from continuing operations before income tax expense $ 62,501 $ 20,480 $ 801 $ (17,594) $ 66,188

Subsequent Events

Subsequent Events	3 Months Ended
	Mar. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTSSubsequent to March 31, 2022 and up to April 27, 2022, we repurchased approximately 0.2 million shares of our common stock in the open market at a total cost of approximately $7.2 million.

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2022
Accounting Policies [Abstract]
Description of Business	Description of Business: CBIZ, Inc. is a diversified services company which, acting through its subsidiaries, has been providing professional business services since 1996, primarily to small and medium-sized businesses, as well as individuals, governmental entities, and not-for-profit enterprises throughout the United States and parts of Canada. CBIZ, Inc. manages and reports its operations along three practice groups: Financial Services, Benefits and Insurance Services and National Practices. A further description of products and services offered by each of the practice groups is provided in Note 12, Segment Disclosures, to the accompanying unaudited condensed consolidated financial statements.
Basis of Consolidation	Basis of Consolidation: The accompanying unaudited condensed consolidated financial statements include the operations of CBIZ, Inc. and all of its wholly-owned subsidiaries (“CBIZ”, the “Company”, “we”, “us”, or “our”), after elimination of all intercompany balances and transactions. These unaudited condensed consolidated financial statements do not reflect the operations or accounts of variable interest entities as the impact is not material to the financial condition, results of operations or cash flows of CBIZ.
Unaudited Interim Financial Statements	Unaudited Interim Financial Statements: The unaudited condensed consolidated financial statements have been prepared in accordance with GAAP and applicable rules and regulations of the SEC regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this quarterly report on Form 10-Q should be read in conjunction with the consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. In the opinion of CBIZ management, the accompanying unaudited condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial condition, results of operations, and cash flows for the interim periods presented, but are not necessarily indicative of the results of operations to be anticipated for the full year ending December 31, 2022.
Use of Estimates	Use of Estimates: The preparation of unaudited condensed consolidated financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the amounts reported and disclosed in the financial statements and the accompanying notes. Changes in circumstances could cause actual results to differ materially from these estimates.
Changes in Accounting Policies	Changes in Accounting Policies: We have consistently applied the accounting policies for the periods presented as described in Note 1, Basis of Presentation and Significant Accounting Policies, to the consolidated financial statements contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. In 2021, CBIZ formed a grantor trust (the “Trust”) with Wilmington Savings Funds Society, FSB, a Federal savings bank, serving as trustee. The Trust holds the majority of the funds provided by CBIZ’s clients for payroll processing pending remittance to employees of those clients, tax authorities, and other payees. CBIZ is the sole beneficial owner of the Trust. The Trust is considered a variable interest
New Accounting Pronouncements	NEW ACCOUNTING PRONOUNCEMENTS The FASB ASC is the sole source of authoritative GAAP other than the SEC issued rules and regulations that apply only to SEC registrants. The FASB issues an accounting standard to communicate changes to the FASB codification. We assess and review the impact of all accounting standards. Any accounting standards not listed below were reviewed and determined to be either not applicable or are not expected to have a material impact on the consolidated financial statements of the Company. Accounting Standards Issued But Not Yet Adopted Reference Rate Reform : In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting , which provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendments in this ASU are effective for all entities through December 31, 2022. We are currently evaluating the effect of this new standard on our consolidated financial statements and have not adopted any of the transition relief available under the new guidance as of March 31, 2022. Subsequently, in January 2021, the FASB issued ASU No. 2021-01, Reference Rate Reform (Topic 848): Scope , which provides optional temporary guidance for entities transitioning away from the LIBOR and other interbank offered rates to new reference rates so that derivatives affected by the discounting transition are explicitly eligible for certain optional expedients and exceptions within Topic 848. This ASU clarifies that the derivative instruments affected by the discounting transition are explicitly eligible for certain optional expedients and exceptions provided in Topic 848. ASU 2021-01 is effective immediately for all entities. Entities may elect to apply the amendments on a full retrospective basis as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020, or on a prospective basis to new modifications from any date within an interim period that includes or is subsequent to the date of the issuance of a final update, up to the date that financial statements are available to be issued. The amendments provided in this ASU do not apply to contract modifications made, as well as new hedging relationships entered into, after December 31, 2022, and to existing hedging relationships evaluated for effectiveness for periods after December 31, 2022, except for certain hedging relationships existing as of December 31, 2022, that apply certain optional expedients in which the accounting effects are recorded through the end of the hedging relationship. We are currently evaluating the effect of this new standard on our consolidated financial statements and have not adopted any of the transition relief available under the new guidance as of March 31, 2022.

Accounts Receivable, Net (Table

Accounts Receivable, Net (Tables)	3 Months Ended
	Mar. 31, 2022
Receivables [Abstract]
Schedule of Accounts Receivable, Net	Accounts receivable, net, at March 31, 2022 and December 31, 2021 was as follows (in thousands): March 31, December 31, Trade accounts receivable $ 226,704 $ 190,710 Unbilled revenue, at net realizable value 155,176 67,616 Total accounts receivable 381,880 258,326 Allowance for doubtful accounts (16,122) (16,158) Accounts receivable, net $ 365,758 $ 242,168
Schedule of Changes in the Allowance for Doubtful Accounts on Accounts Receivable	Changes to the allowance for doubtful accounts for the three months ended March 31, 2022 and twelve months ended December 31, 2021 are as follows (in thousands): March 31, December 31, Balance at beginning of period $ (16,158) $ (14,894) Provision (1,270) (9,422) Charge-offs, net of recoveries 1,306 8,158 Allowance for doubtful accounts $ (16,122) $ (16,158)

Debt and Financing Arrangemen_2

Debt and Financing Arrangements (Tables)	3 Months Ended
	Mar. 31, 2022
Debt Disclosure [Abstract]
Summary of Unsecured Credit Facility	Effective interest rates, including the impact of interest rate swaps associated with the 2018 credit facility, were as follows: Three Months Ended 2022 2021 Weighted average rates 1.79% 2.10% Range of effective rates 1.08% - 3.64% 1.08% - 3.64%
Summary of Recognized Interest Expense	Interest expense, including amortization of deferred financing costs, commitment fees, line of credit fees, and other applicable bank charges, was as follows (in thousands): Three Months Ended March 31, 2022 2021 2018 credit facility $ 1,259 $ 871 Other — 6 Total $ 1,259 $ 877

Financial Instruments (Tables)

Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2022
Investments, All Other Investments [Abstract]
Summary of Investments	The following table summarizes activities related to these investments for the three months ended March 31, 2022 and the twelve months ended December 31, 2021 (in thousands): Three Months Ended March 31, 2022 Twelve Months Ended December 31, 2021 Fair value at beginning of period $ 38,670 $ 25,708 Purchases 8,450 26,980 Redemptions (400) (6,530) Maturities (1,970) (8,347) Change in bond premium 206 1,517 Fair market value adjustment (1,291) (658) Fair value at end of period $ 43,665 $ 38,670
Summary of Outstanding Interest Rate Swaps	The following table summarizes our outstanding interest rate swaps and their classification in the accompanying Condensed Consolidated Balance Sheets at March 31, 2022 and December 31, 2021 (in thousands): March 31, 2022 Notional Fair Balance Sheet Location Interest rate swap $ 20,000 $ (32) Other current liability Interest rate swap $ 15,000 $ (128) Other non-current liability Interest rate swaps $ 80,000 $ 3,738 Other non-current assets December 31, 2021 Notional Fair Balance Sheet Location Interest rate swap $ 20,000 $ (120) Other current liability Interest rate swaps $ 45,000 $ (496) Other non-current liabilities Interest rate swap $ 50,000 $ 405 Other non-current asset
Summary of Effects of Interest Rate Swap	The following table summarizes the effects of the interest rate swaps on the accompanying Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2022 and 2021 (in thousands): Gain Recognized Loss Reclassified Three Months Ended Three Months Ended 2022 2021 2022 2021 Interest rate swaps $ 2,607 $ 961 $ (343) $ (285)

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2022
Fair Value Disclosures [Abstract]
Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis	The following table summarizes our assets and (liabilities) at March 31, 2022 and December 31, 2021, respectively, that are measured at fair value on a recurring basis subsequent to initial recognition and indicates the fair value hierarchy of the valuation techniques utilized by us to determine such fair value (in thousands): Level March 31, 2022 December 31, 2021 Deferred compensation plan assets 1 $ 132,284 $ 136,321 Available-for-sale debt securities 1 43,665 38,670 Other depository assets 1 853 1,144 Deferred compensation plan liabilities 1 (132,284) (136,321) Interest rate swaps 2 3,578 (211) Contingent purchase price liabilities 3 (136,534) (79,139)
Change in Level 3 Fair Values of Contingent Purchase Price Liabilities	The following table summarizes the change in Level 3 fair values of our contingent purchase price liabilities for the three months ended March 31, 2022 and 2021 (pre-tax basis) (in thousands): 2022 2021 Beginning balance – January 1 $ (79,139) $ (54,391) Additions from business acquisitions (64,648) (1,622) Settlement of contingent purchase price liabilities 7,895 2,443 Change in fair value of contingencies 80 (279) Change in net present value of contingencies (722) (381) Ending balance – March 31 $ (136,534) $ (54,230)

Other Comprehensive Income (Tab

Other Comprehensive Income (Tables)	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Summary of Other Comprehensive Income and Tax Impact	The following table is a summary of other comprehensive income and discloses the tax impact of each component of other comprehensive income for the three months ended March 31, 2022 and 2021 (in thousands): Three Months Ended 2022 2021 Net unrealized loss on available-for-sale securities, net of income taxes (1) $ (939) $ (103) Net unrealized gain on interest rate swaps, net of income taxes (2) 2,866 961 Foreign currency translation (2) (4) Total other comprehensive income $ 1,925 $ 854 (1) Net of income tax benefit of $352 and income tax benefit of $39 for the three months ended March 31, 2022 and 2021, respectively. (2) Net of income tax expense of $928 and income tax expense of $310 for the three months ended March 31, 2022 and 2021, respectively.

Employee Stock Plans (Tables)

Employee Stock Plans (Tables)	3 Months Ended
	Mar. 31, 2022
Share-based Payment Arrangement [Abstract]
Schedule of Stock-Based Compensation Awards	Compensation expense for stock-based awards recognized during the three months ended March 31, 2022 and 2021 was as follows (in thousands): Three Months Ended 2022 2021 Stock options $ 173 $ 301 Restricted stock units and awards 1,493 1,381 Performance share units 2,023 1,173 Total stock-based compensation expense $ 3,689 $ 2,855
Schedule of Stock Options, Restricted Stock Units and Awards, and Performance Share Units Award Activity	The following table presents our stock options and restricted stock units and awards activity during the three months ended March 31, 2022 (in thousands, except per share data): Stock Options Restricted Stock Units and Awards Number of Weighted Average Exercise Price Per Share Number of Weighted Average Grant-Date Fair Value (1) Outstanding at beginning of year 1,223 $ 17.71 389 $ 25.07 Granted — $ — 101 $ 38.12 Exercised or released (247) $ 13.05 (146) $ 24.04 Outstanding at March 31, 2022 976 $ 18.89 344 $ 29.34 Exercisable at March 31, 2022 828 $ 18.79 (1) Represents weighted average market value of the shares; awards are granted at no cost to the recipients. The following table presents our PSU award activity during the three months ended March 31, 2022 (in thousands, except per share data): Performance Weighted Average Grant-Date Fair Value Per Unit (1) Outstanding at beginning of year 473 $ 23.64 Granted 101 $ 38.12 Vested (211) $ 19.82 Outstanding at March 31, 2022 363 $ 29.89 (1) Represents weighted average market value of the performance share units; PSUs are granted at no cost to the recipients.

Earnings Per Share (Tables)

Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2022
Earnings Per Share [Abstract]
Computation of Basic and Diluted Earnings Per Share from Continuing Operations	The following table sets forth the computation of basic and diluted earnings per share from continuing operations for the three months ended March 31, 2022 and 2021 (in thousands, except per share data): Three Months Ended 2022 2021 Numerator: Income from continuing operations $ 58,131 $ 50,216 Denominator: Basic Weighted average common shares outstanding 52,119 53,366 Diluted Stock options (1) 619 776 Restricted stock units and awards (1) 217 257 Contingent shares (2) — 37 Diluted weighted average common shares outstanding (3) 52,955 54,436 Basic earnings per share from continuing operations $ 1.12 $ 0.94 Diluted earnings per share from continuing operations $ 1.10 $ 0.92 (1) A total of 55 thousand and 1 thousand shares of stock-based awards were excluded from the calculation of diluted earnings per share for the three months ended March 31, 2022 and 2021 respectively, as their effect would be anti-dilutive. (2) Contingent shares represent additional shares to be issued for purchase price earned by former owners of businesses acquired by us once future considerations have been met. Refer to Note 11, Business Combinations, for further details. (3) The denominator used in calculating diluted earnings per share did not include 363 thousand and 447 thousand performance share units for the three months ended March 31, 2022 and 2021, respectively. The performance conditions associated with these performance share units were not met and consequently none of these performance share units were considered as issuable for the three months ended March 31, 2022 and 2021.

Business Combinations (Tables)

Business Combinations (Tables)	3 Months Ended
	Mar. 31, 2022
Business Combination and Asset Acquisition [Abstract]
Aggregated Consideration And Preliminary Purchase Price Allocation	The following table summarizes the consideration and preliminary purchase price allocation for the acquisitions completed during the three months ended March 31, 2022 and 2021, respectively (in thousands): 2022 2021 Cash paid 72,469 1,900 Recorded contingent consideration 64,648 1,622 Total recorded purchase price $ 137,117 $ 3,522 Accounts receivable acquired 18,230 — Fixed assets acquired 1,793 — Identifiable intangible assets acquired 48,000 2,069 Operating lease right-of-use asset acquired 49,291 — Other assets acquired 1,497 — Operating lease liability acquired - current (5,860) — Other current liabilities acquired (909) — Operating lease liability acquired - noncurrent (43,431) — Goodwill 68,506 1,453 Total net assets acquired $ 137,117 $ 3,522 Maximum potential contingent consideration $ 67,115 $ 1,700
Segment Allocation	The following table summarizes the goodwill and intangible asset amounts resulting from those acquisitions for the three months ended March 31, 2022 and 2021, respectively (in thousands): Three Months Ended March 31, 2022 2021 Financial Services Financial Services Goodwill $ 68,506 $ 1,453 Client list 48,000 1,980 Other intangibles — 89 Total $ 116,506 $ 3,522
Contingent Consideration	The following table summarizes the changes in contingent purchase price consideration for previous acquisitions and contingent payments made for previous business acquisitions in the three months ended March 31, 2022 and 2021, respectively (in thousands): Three Months Ended March 31, 2022 2021 Net expense $ 642 $ 660 Cash settlement paid $ 7,077 $ 1,463 Shares issued (number) 19 38

Segment Disclosures (Tables)

Segment Disclosures (Tables)	3 Months Ended
	Mar. 31, 2022
Segment Reporting [Abstract]
Summary of Disaggregation of Revenue by Source	The following table disaggregates our revenue by source (in thousands): Three Months Ended March 31, 2022 Financial Benefits and National Consolidated Accounting, tax, advisory and consulting $ 288,746 — — $ 288,746 Core benefits and insurance services — 88,936 — 88,936 Non-core benefits and insurance services — 3,550 — 3,550 Managed networking, hardware services — — 7,921 7,921 National practices consulting — — 2,569 2,569 Total revenue $ 288,746 $ 92,486 $ 10,490 $ 391,722 Three Months Ended March 31, 2021 Financial Benefits and National Consolidated Accounting, tax, advisory and consulting $ 204,149 — — $ 204,149 Core benefits and insurance services — 84,070 — 84,070 Non-core benefits and insurance services — 3,169 — 3,169 Managed networking, hardware services — — 6,895 6,895 National practices consulting — — 2,447 2,447 Total revenue $ 204,149 $ 87,239 $ 9,342 $ 300,730
Summary of Segment Information	Segment information for the three months ended March 31, 2022 and 2021 was as follows (in thousands): Three Months Ended March 31, 2022 Financial Benefits National Corporate Total Revenue $ 288,746 $ 92,486 $ 10,490 $ — $ 391,722 Operating expenses (income) 209,800 72,657 9,576 (1,734) 290,299 Gross margin 78,946 19,829 914 1,734 101,423 Corporate general and administrative expenses — — — 16,309 16,309 Operating income (loss) 78,946 19,829 914 (14,575) 85,114 Other income (expense): Interest expense — — — (1,259) (1,259) Other income (expense), net 86 (24) — (6,465) (6,403) Total other income (expense), net 86 (24) — (7,724) (7,662) Income (loss) from continuing operations before income tax expense $ 79,032 $ 19,805 $ 914 $ (22,299) $ 77,452 Three Months Ended March 31, 2021 Financial Benefits National Corporate Total Revenue $ 204,149 $ 87,239 $ 9,342 $ — $ 300,730 Operating expenses 141,746 66,933 8,541 6,751 223,971 Gross margin 62,403 20,306 801 (6,751) 76,759 Corporate general and administrative expenses — — — 14,483 14,483 Operating income (loss) 62,403 20,306 801 (21,234) 62,276 Other income (expense): Interest expense — — — (877) (877) Other income, net 98 174 — 4,517 4,789 Total other income, net 98 174 — 3,640 3,912 Income (loss) from continuing operations before income tax expense $ 62,501 $ 20,480 $ 801 $ (17,594) $ 66,188

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Details)	3 Months Ended
	Mar. 31, 2022practiceGroup
Accounting Policies [Abstract]
Number of practice groups	3

Accounts Receivable, Net - Sche

Accounts Receivable, Net - Schedule of Accounts Receivables Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Receivables [Abstract]
Trade accounts receivable	$ 226,704	$ 190,710
Unbilled revenue, at net realizable value	155,176	67,616
Total accounts receivable	381,880	258,326
Allowance for doubtful accounts	(16,122)	(16,158)	$ (14,894)
Accounts receivable, net	$ 365,758	$ 242,168

Accounts Receivable, Net - Sc_2

Accounts Receivable, Net - Schedule of Changes in the Allowance for Doubtful Accounts on Accounts Receivable (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ (16,158)	$ (14,894)
Provision	(1,270)	(9,422)
Charge-offs, net of recoveries	1,306	8,158
Allowance for doubtful accounts	$ (16,122)	$ (16,158)

Debt and Financing Arrangemen_3

Debt and Financing Arrangements - Additional Information (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Outstanding balance under applicable credit facility	$ 298,900,000	$ 155,300,000
Outstanding letters of credit	5,700,000	3,400,000
Other line of credit
Debt Instrument [Line Items]
Revolving loan commitment	20,000,000
Outstanding line of credit	0
2018 Credit Facility
Debt Instrument [Line Items]
Unsecured credit facility	400,000,000
Outstanding balance under applicable credit facility	298,900,000	$ 155,300,000
Available funds under credit facility	94,800,000
Outstanding letters of credit	$ 5,700,000

Debt and Financing Arrangemen_4

Debt and Financing Arrangements - Summary of Unsecured Credit Facility (Details)	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Weighted average rates	1.79%	2.10%
Minimum
Debt Instrument [Line Items]
Range of effective rates	1.08%	1.08%
Maximum
Debt Instrument [Line Items]
Range of effective rates	3.64%	3.64%

Debt and Financing Arrangemen_5

Debt and Financing Arrangements - Summary of Recognized Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Total	$ 1,259	$ 877
2018 credit facility
Debt Instrument [Line Items]
Total	1,259	871
Other
Debt Instrument [Line Items]
Total	$ 0	$ 6

Commitments and Contingencies -

Commitments and Contingencies - Letters of Credit and Guarantees (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Letters of credit outstanding	$ 5.7	$ 3.4
License bonds outstanding amount	$ 2.3	$ 2.3

Commitments and Contingencies_2

Commitments and Contingencies - Legal Proceedings (Details) - CBIZ Operations and a former employee of CBIZ MMP $ in Millions	Dec. 19, 2016USD ($)
Commitments And Contingencies [Line Items]
Total transaction price	$ 200
Maximum
Commitments And Contingencies [Line Items]
Damages sought amount	$ 177

Financial Instruments - Availab

Financial Instruments - Available-for-Sale Debt Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Par value of available-for-sale debt securities	$ 43,100	$ 37,000
Funds held for clients	199,065	157,909
Certified Deposits and Other Depository Assets
Debt Securities, Available-for-sale [Line Items]
Funds held for clients	$ 900	$ 1,100

Financial Instruments - Summary

Financial Instruments - Summary of Investments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Debt Securities, Available for Sale [Roll Forward]
Fair value at beginning of period	$ 38,670	$ 25,708
Purchases	8,450	26,980
Redemptions	(400)	(6,530)
Maturities	(1,970)	(8,347)
Change in bond premium	206	1,517
Fair market value adjustment	(1,291)	(658)
Fair value at end of period	$ 43,665	$ 38,670

Financial Instruments - Interes

Financial Instruments - Interest Rate Swaps (Details)	Mar. 31, 2022USD ($)swap
Interest rate swaps
Debt Securities, Available-for-sale [Line Items]
Number of interest rate swaps outstanding | swap	4
Interest rate swap, May 2022 expiration
Debt Securities, Available-for-sale [Line Items]
Notional amount	$ 20,000,000
Interest rate swap, fixed interest rate	1.77%
Interest rate swap, June 2023 expiration
Debt Securities, Available-for-sale [Line Items]
Notional amount	$ 15,000,000
Interest rate swap, fixed interest rate	2.64%
Interest rate swap, April 2025 expiration
Debt Securities, Available-for-sale [Line Items]
Notional amount	$ 50,000,000
Interest rate swap, fixed interest rate	0.885%
Interest rate swap, December 2026 expiration
Debt Securities, Available-for-sale [Line Items]
Notional amount	$ 30,000,000
Interest rate swap, fixed interest rate	1.249%

Financial Instruments - Summa_2

Financial Instruments - Summary of Outstanding Interest Rate Swaps (Details) - Interest rate swaps - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Other current liability
Derivatives, Fair Value [Line Items]
Notional amount, liability	$ 20,000	$ 20,000
Fair value, liability	(32)	(120)
Other non-current liability
Derivatives, Fair Value [Line Items]
Notional amount, liability	15,000	45,000
Fair value, liability	(128)	(496)
Other non-current assets
Derivatives, Fair Value [Line Items]
Notional amount, asset	80,000	50,000
Fair value, asset	$ 3,738	$ 405

Financial Instruments - Summa_3

Financial Instruments - Summary of Effects of Interest Rate Swaps (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Derivatives, Fair Value [Line Items]
Gain Recognized in AOCI, net of tax	$ 2,866	$ 961
Interest rate swaps
Derivatives, Fair Value [Line Items]
Gain Recognized in AOCI, net of tax	2,607	961
Loss Reclassified from AOCL into Expense	$ (343)	$ (285)

Fair Value Measurements - Summa

Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	$ 132,284	$ 136,321
Available-for-sale debt securities	43,665	38,670	$ 25,708
Deferred compensation plan liabilities	(132,284)	(136,321)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	132,284	136,321
Available-for-sale debt securities	43,665	38,670
Other depository assets	853	1,144
Deferred compensation plan liabilities	(132,284)	(136,321)
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	3,578	(211)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent purchase price liabilities	$ (136,534)	$ (79,139)

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Fair value measurements, inter-transfers between levels	$ 0	$ 0

Fair Value Measurements - Chang

Fair Value Measurements - Change in Level 3 Fair Values of Contingent Purchase Price Liabilities (Details) - Contingent purchase price liabilities - Level 3 - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance – January 1	$ (79,139)	$ (54,391)
Additions from business acquisitions	(64,648)	(1,622)
Settlement of contingent purchase price liabilities	7,895	2,443
Change in fair value of contingencies	80	(279)
Change in net present value of contingencies	(722)	(381)
Ending balance - June 30	$ (136,534)	$ (54,230)

Other Comprehensive Income (Det

Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Equity [Abstract]
Net unrealized loss on available-for-sale securities, net of income taxes	$ (939)	$ (103)
Net unrealized gain (loss) on interest rate swaps, net of income taxes	2,866	961
Foreign currency translation	(2)	(4)
Total other comprehensive income	1,925	854
Unrealized loss on available-for-sale securities, income tax expense (benefit)	(352)	(39)
Unrealized gain on interest rate swaps, income tax expense (benefit)	$ 928	$ 310

Employee Stock Plans - Addition

Employee Stock Plans - Additional Information (Details) - shares shares in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2019
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, remaining contractual term	3 years
Performance share units, vesting period	3 years
Achievement of an earnings per share target	70.00%
Achievement of total growth in revenue	30.00%
Performance share units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of initial grant	200.00%
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum stock based compensation awards granted under the plan (in shares)		3.1

Employee Stock Plans - Schedule

Employee Stock Plans - Schedule of Stock-Based Compensation Awards (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Payment Arrangement [Abstract]
Stock options	$ 173	$ 301
Restricted stock units and awards	1,493	1,381
Performance share units	2,023	1,173
Total stock-based compensation expense	$ 3,689	$ 2,855

Employee Stock Plans - Schedu_2

Employee Stock Plans - Schedule of Stock Options Award Activity (Details) shares in Thousands	3 Months Ended
	Mar. 31, 2022$ / sharesshares
Stock Option Activity
Outstanding at beginning of period (in shares) | shares	1,223
Granted (in shares) | shares	0
Exercised or released (in shares) | shares	(247)
Outstanding at end of period (in shares) | shares	976
Exercisable at end of period (in shares) | shares	828
Stock Option Weighted Average Exercise Price Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 17.71
Granted (in dollars per share) | $ / shares	0
Exercised or released (in dollars per share) | $ / shares	13.05
Outstanding at end of period (in dollars per share) | $ / shares	18.89
Exercisable at end of period (in dollars per share) | $ / shares	$ 18.79

Employee Stock Plans - Schedu_3

Employee Stock Plans - Schedule of Restricted Stock Units and Awards Activity (Details) - Restricted Stock Units and Awards shares in Thousands	3 Months Ended
	Mar. 31, 2022$ / sharesshares
Restricted Stock Units and Awards Activity
Outstanding at beginning of period (in shares) | shares	389
Granted (in shares) | shares	101
Exercised or released (in shares) | shares	(146)
Outstanding at end of period (in shares) | shares	344
Restricted Stock Units and Awards Weighted Average Grant Date Fair Value
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 25.07
Granted (in dollars per share) | $ / shares	38.12
Exercised or released (in dollars per share) | $ / shares	24.04
Outstanding at end of period (in dollars per share) | $ / shares	$ 29.34

Employee Stock Plans - Schedu_4

Employee Stock Plans - Schedule of Performance Share Units Award Activity (Details) - Performance share units shares in Thousands	3 Months Ended
	Mar. 31, 2022$ / sharesshares
Performance Share Units Award Activity
Outstanding at beginning of period (in shares) | shares	473
Granted (in shares) | shares	101
Vested (in shares) | shares	(211)
Outstanding at end of period (in shares) | shares	363
Performance Share Units Award Weighted Average Grant Date Fair Value
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 23.64
Granted (in dollars per share) | $ / shares	38.12
Vested (in dollars per share) | $ / shares	19.82
Outstanding at end of period (in dollars per share) | $ / shares	$ 29.89

Earnings Per Share (Details)

Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Income from continuing operations	$ 58,131	$ 50,216
Basic
Weighted average common shares outstanding (in shares)	52,119	53,366
Diluted
Stock options (in shares)	619	776
Restricted stock units and awards (in shares)	217	257
Contingent shares (in shares)	0	37
Diluted weighted average common shares outstanding (in shares)	52,955	54,436
Basic earnings per share from continuing operations (in dollars per share)	$ 1.12	$ 0.94
Diluted earnings per share from continuing operations (in dollars per share)	$ 1.10	$ 0.92
Share-based payment arrangement (in shares)
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Share based awards excluded from the calculation of diluted earnings per share (in shares)	55	1
Performance share units
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Share based awards excluded from the calculation of diluted earnings per share (in shares)	363	447

Business Combinations - Additio

Business Combinations - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022USD ($)
Business Acquisition, Contingent Consideration [Line Items]
Annual revenue	$ 138
Transaction and integration related costs	$ 6
Client list
Business Acquisition, Contingent Consideration [Line Items]
Acquired finite-lived intangible assets, useful life	10 years
Other intangibles
Business Acquisition, Contingent Consideration [Line Items]
Acquired finite-lived intangible assets, useful life	3 years

Business Combinations - Aggrega

Business Combinations - Aggregated Consideration And Preliminary Purchase Price Allocation (Details) - Series of Individually Immaterial Business Acquisitions - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Business Acquisition, Contingent Consideration [Line Items]
Cash paid	$ 72,469	$ 1,900
Recorded contingent consideration	64,648	1,622
Total recorded purchase price	137,117	3,522
Accounts receivable acquired	18,230	0
Fixed assets acquired	1,793	0
Identifiable intangible assets acquired	48,000	2,069
Operating lease right-of-use asset acquired	49,291	0
Other assets acquired	1,497	0
Operating lease liability acquired - current	(5,860)	0
Other current liabilities acquired	(909)	0
Operating lease liability acquired - noncurrent	(43,431)	0
Goodwill	68,506	1,453
Total net assets acquired	137,117	3,522
Maximum potential contingent consideration	$ 67,115	$ 1,700

Business Combinations - Segment

Business Combinations - Segment Allocation (Details) - Financial Services - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Business Combination Segment Allocation [Line Items]
Goodwill	$ 68,506	$ 1,453
Total	116,506	3,522
Client list
Business Combination Segment Allocation [Line Items]
Intangibles	48,000	1,980
Other intangibles
Business Combination Segment Allocation [Line Items]
Intangibles	$ 0	$ 89

Business Combinations - Changes

Business Combinations - Changes in Contingent Purchase Price Consideration (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Business Combination and Asset Acquisition [Abstract]
Net expense	$ 642	$ 660
Cash settlement paid	$ 7,077	$ 1,463
Shares issued (number)	19,000	38,000

Segment Disclosures - Additiona

Segment Disclosures - Additional Information (Details)	3 Months Ended
	Mar. 31, 2022segment
Segment Reporting [Abstract]
Number of business units of the company	3

Segment Disclosures - Summary o

Segment Disclosures - Summary of Disaggregation of Revenue by Source (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 391,722	$ 300,730
Financial Services
Disaggregation of Revenue [Line Items]
Revenue	288,746	204,149
Benefits and Insurance Services
Disaggregation of Revenue [Line Items]
Revenue	92,486	87,239
National Practices
Disaggregation of Revenue [Line Items]
Revenue	10,490	9,342
Accounting, tax, advisory and consulting
Disaggregation of Revenue [Line Items]
Revenue	288,746	204,149
Accounting, tax, advisory and consulting | Financial Services
Disaggregation of Revenue [Line Items]
Revenue	288,746	204,149
Accounting, tax, advisory and consulting | Benefits and Insurance Services
Disaggregation of Revenue [Line Items]
Revenue	0	0
Accounting, tax, advisory and consulting | National Practices
Disaggregation of Revenue [Line Items]
Revenue	0	0
Core benefits and insurance services
Disaggregation of Revenue [Line Items]
Revenue	88,936	84,070
Core benefits and insurance services | Financial Services
Disaggregation of Revenue [Line Items]
Revenue	0	0
Core benefits and insurance services | Benefits and Insurance Services
Disaggregation of Revenue [Line Items]
Revenue	88,936	84,070
Core benefits and insurance services | National Practices
Disaggregation of Revenue [Line Items]
Revenue	0	0
Non-core benefits and insurance services
Disaggregation of Revenue [Line Items]
Revenue	3,550	3,169
Non-core benefits and insurance services | Financial Services
Disaggregation of Revenue [Line Items]
Revenue	0	0
Non-core benefits and insurance services | Benefits and Insurance Services
Disaggregation of Revenue [Line Items]
Revenue	3,550	3,169
Non-core benefits and insurance services | National Practices
Disaggregation of Revenue [Line Items]
Revenue	0	0
Managed networking, hardware services
Disaggregation of Revenue [Line Items]
Revenue	7,921	6,895
Managed networking, hardware services | Financial Services
Disaggregation of Revenue [Line Items]
Revenue	0	0
Managed networking, hardware services | Benefits and Insurance Services
Disaggregation of Revenue [Line Items]
Revenue	0	0
Managed networking, hardware services | National Practices
Disaggregation of Revenue [Line Items]
Revenue	7,921	6,895
National practices consulting
Disaggregation of Revenue [Line Items]
Revenue	2,569	2,447
National practices consulting | Financial Services
Disaggregation of Revenue [Line Items]
Revenue	0	0
National practices consulting | Benefits and Insurance Services
Disaggregation of Revenue [Line Items]
Revenue	0	0
National practices consulting | National Practices
Disaggregation of Revenue [Line Items]
Revenue	$ 2,569	$ 2,447

Segment Disclosures - Summary_2

Segment Disclosures - Summary of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenue	$ 391,722	$ 300,730
Operating expenses (income)	290,299	223,971
Gross margin	101,423	76,759
Corporate general and administrative expenses	16,309	14,483
Operating income	85,114	62,276
Other income (expense):
Interest expense	(1,259)	(877)
Other (expense) income, net	(6,403)	4,789
Total other (expense) income, net	(7,662)	3,912
Income from continuing operations before income tax    expense	77,452	66,188
Financial Services
Segment Reporting Information [Line Items]
Revenue	288,746	204,149
Benefits and Insurance Services
Segment Reporting Information [Line Items]
Revenue	92,486	87,239
National Practices
Segment Reporting Information [Line Items]
Revenue	10,490	9,342
Operating segments | Financial Services
Segment Reporting Information [Line Items]
Revenue	288,746	204,149
Operating expenses (income)	209,800	141,746
Gross margin	78,946	62,403
Corporate general and administrative expenses	0	0
Operating income	78,946	62,403
Other income (expense):
Interest expense	0	0
Other (expense) income, net	86	98
Total other (expense) income, net	86	98
Income from continuing operations before income tax    expense	79,032	62,501
Operating segments | Benefits and Insurance Services
Segment Reporting Information [Line Items]
Revenue	92,486	87,239
Operating expenses (income)	72,657	66,933
Gross margin	19,829	20,306
Corporate general and administrative expenses	0	0
Operating income	19,829	20,306
Other income (expense):
Interest expense	0	0
Other (expense) income, net	(24)	174
Total other (expense) income, net	(24)	174
Income from continuing operations before income tax    expense	19,805	20,480
Operating segments | National Practices
Segment Reporting Information [Line Items]
Revenue	10,490	9,342
Operating expenses (income)	9,576	8,541
Gross margin	914	801
Corporate general and administrative expenses	0	0
Operating income	914	801
Other income (expense):
Interest expense	0	0
Other (expense) income, net	0	0
Total other (expense) income, net	0	0
Income from continuing operations before income tax    expense	914	801
Corporate and Other
Segment Reporting Information [Line Items]
Revenue	0	0
Operating expenses (income)	(1,734)	6,751
Gross margin	1,734	(6,751)
Corporate general and administrative expenses	16,309	14,483
Operating income	(14,575)	(21,234)
Other income (expense):
Interest expense	(1,259)	(877)
Other (expense) income, net	(6,465)	4,517
Total other (expense) income, net	(7,724)	3,640
Income from continuing operations before income tax    expense	$ (22,299)	$ (17,594)

Subsequent Events (Details)

Subsequent Events (Details) - USD ($) $ in Thousands, shares in Millions	1 Months Ended	3 Months Ended
	Apr. 27, 2022	Mar. 31, 2022	Mar. 31, 2021
Subsequent Event [Line Items]
Share repurchases, value		$ 5,999	$ 32,678
Subsequent Event
Subsequent Event [Line Items]
Share repurchases (in shares)	0.2
Share repurchases, value	$ 7,200