FAIR VALUE MEASUREMENTS - Schedule of Change in Level 3 Fair Values of Contingent Purchase Price Liabilities (Details) - Contingent Purchase Price Liabilities - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Contingent purchase price liabilities assumed	$ (5,300)
Level 3
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		$ (114,946)	$ (132,010)
Additions from business acquisitions		(15,184)	(32,142)
Contingent purchase price liabilities assumed		(5,231)	0
Settlement of contingent purchase price liabilities		58,468	46,209
Change in fair value of contingencies		516	58
Change in net present value of contingencies		(1,625)	(2,129)
Ending balance	$ (78,002)	$ (78,002)	$ (120,014)