Acquisitions - Additional Information (Details) - USD ($)			9 Months Ended
	Aug. 08, 2023	Oct. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023	Dec. 31, 2022
Business Acquisition
Payments to acquire businesses, net of cash			$ 35,540,000	$ 117,706,000
Goodwill			2,510,488,000			$ 2,489,308,000
Computing System Innovations, LLC
Business Acquisition
Cash acquired from acquisition	$ 400,000
Business acquisition consideration	36,300,000
Payments to acquire businesses, net of cash	33,400,000
Contingent consideration	3,300,000
Total tangible assets	900,000
Liabilities assumed	2,400,000
Goodwill	21,400,000
Identifiable intangible assets acquired	$ 16,800,000
Finite-lived intangible asset, useful life (in years)	13 years
Rapid Financial Solutions, LLC
Business Acquisition
Cash acquired from acquisition		$ 2,200,000
Business acquisition consideration		67,400,000
Payments to acquire businesses, net of cash		51,500,000
Payment to acquire business, common stock		18,200,000
Total tangible assets		12,900,000
Liabilities assumed		10,600,000
Goodwill		40,000,000
Identifiable intangible assets acquired		$ 27,600,000
Finite-lived intangible asset, useful life (in years)		10 years
Litigation outstanding					$ 10,000,000
Indemnification receivable					$ 10,000,000
Financial advisory and legal fees			$ 256,000