REVENUE - Net Revenue Earned by Category of Payer (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
NET REVENUE	$ 1,442,400	$ 1,416,085	$ 2,793,054	$ 2,749,057
Commercial payers
Disaggregation of Revenue [Line Items]
NET REVENUE	1,236,570	1,231,660	2,381,476	2,376,592
Government payers
Disaggregation of Revenue [Line Items]
NET REVENUE	186,432	167,975	364,312	328,493
Patients
Disaggregation of Revenue [Line Items]
NET REVENUE	$ 19,398	$ 16,450	$ 47,266	$ 43,972