Business Combinations - Aggregated Consideration And Preliminary Purchase Price Allocation (Details) - Series of Individually Immaterial Business Acquisitions - USD ($) shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Business Acquisition, Contingent Consideration [Line Items]
Common stock issued (in shares)	102	42
Common stock value	$ 4,796	$ 1,668
Cash paid	53,027	79,141
Recorded contingent consideration	32,142	74,199
Total recorded purchase price	89,965	155,008
Accounts receivable acquired	8,539	20,429
Fixed assets acquired	1,108	1,933
Identifiable intangible assets acquired	35,267	53,400
Operating lease right-of-use asset acquired	14,972	49,291
Other assets acquired	1,163	1,693
Operating lease liability acquired - current	(1,080)	(5,860)
Other current liabilities acquired	(1,366)	(1,594)
Operating lease liability acquired - non-current	(13,892)	(43,431)
Goodwill	45,254	79,147
Total net assets acquired	89,965	155,008
Maximum potential contingent consideration	$ 33,845	$ 77,075