Business Combinations - Aggregated Consideration And Preliminary Purchase Price Allocation (Details) - Series of Individually Immaterial Business Acquisitions - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Business Acquisition, Contingent Consideration [Line Items]
Common stock issued (in shares)	102	0
Common stock value	$ 4,795	$ 0
Cash paid	38,972	72,469
Recorded contingent consideration	24,840	64,648
Total recorded purchase price	68,607	137,117
Accounts receivable acquired	7,040	18,230
Fixed assets acquired	1,201	1,793
Identifiable intangible assets acquired	22,518	48,000
Operating lease right-of-use asset acquired	14,598	49,291
Other assets acquired	1,126	1,497
Operating lease liability acquired - current	(1,012)	(5,860)
Other current liabilities acquired	(406)	(909)
Operating lease liability acquired - non-current	(13,586)	(43,431)
Goodwill	37,128	68,506
Total net assets acquired	68,607	137,117
Maximum potential contingent consideration	$ 26,099	$ 67,115