Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 9,795	$ 11,975	$ (189,782)	$ (5,084)	$ 37,334	$ (191,050)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of software, equipment, and property					20,155	18,161
Amortization of intangible assets					74,405	73,972
Deferred income taxes					(53,061)	(66,499)
Stock-based compensation					80,769	235,413
Amortization of deferred financing fees					1,424	3,204
Amortization of discount on debt					196	537
Change in fair value of derivative instruments					(5,991)	(8,373)
Change in fair value of warrant liabilities	(312)		26,889		(23,452)	26,889
Loss on early extinguishment of debt	0		15,240		0	15,240
Non-cash lease expense					3,076	5,029
Loss on disposal of software, equipment and property					795	0
Gain on sale of cost method investment					(3,587)	0
Other					101	54
Changes in:
Accounts receivable—Net					(19,532)	(8,332)
Deferred contract costs					(719)	(1,916)
Other current assets					12,321	(4,673)
Deferred contract costs—Non-current					3,299	(4,504)
Other assets					(18,227)	(3,221)
Operating lease assets					1,623	5,133
Income taxes					10,029	(2,846)
Accounts payable					2,466	1,399
Accrued expenses					(2,664)	17,051
Operating lease liabilities					(4,687)	(5,935)
Deferred revenues					2,557	2,861
Extinguishment of interest rate swap liability					0	(9,987)
Other liabilities					(192)	(882)
Net cash provided by operating activities					118,438	96,725
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of software, equipment, and property					(38,844)	(25,022)
Acquisition of Safekeep, Inc., net of cash acquired					(32,242)
Purchase of equity method investment					0	(10,228)
Proceeds from sale of cost method investment					3,901
Purchase of intangible asset					0	(49)
Net cash used in investing activities					(67,185)	(35,299)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options					22,814	503
Proceeds from employee stock purchase plan					3,197	0
Payments for employee taxes withheld upon vesting of equity awards					(5,005)	0
Principal payments on long-term debt					(6,000)	(1,336,154)
Deemed distribution to CCCIS option holders					0	(9,006)
Net proceeds from equity infusion from the Business Combination					0	763,300
Proceeds from issuance of long-term debt, net of fees paid to lender					0	789,927
Proceeds from issuance of common stock					0	1,007
Payment of fees associated with early extinguishment of long-term debt					0	(3,320)
Dividends to CCCIS stockholders					0	(269,174)
Net cash provided by (used in) financing activities					15,006	(62,917)
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS					(650)	(162)
NET CHANGE IN CASH AND CASH EQUIVALENTS					65,609	(1,653)
Beginning of period		$ 182,544		$ 162,118	182,544	162,118	$ 162,118
End of period	$ 248,153		$ 160,465		248,153	160,465	$ 182,544
NONCASH INVESTING AND FINANCING ACTIVITIES:
Noncash purchases of software, equipment, and property					0	4,054
Leasehold improvements acquired by tenant improvement allowance					0	10,556
Contingent consideration related to business acquisition					200	0
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest					24,150	47,312
Cash paid for income taxes-Net					$ 55,526	$ 15,119