REVENUE - Net Revenue Earned by Category of Payer (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,227,186	$ 1,069,072	$ 2,373,238	$ 2,084,920
Commercial payers
Disaggregation of Revenue [Line Items]
Net revenue	1,064,510	934,001	2,052,552	1,807,912
Government payers
Disaggregation of Revenue [Line Items]
Net revenue	138,831	123,737	277,141	246,526
Patients
Disaggregation of Revenue [Line Items]
Net revenue	$ 23,845	$ 11,334	$ 43,545	$ 30,482