REVENUE - Net Revenue Earned by Category of Payer (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
NET REVENUE	$ 1,435,016	$ 1,278,546	$ 4,184,073	$ 3,651,784
Commercial payers
Disaggregation of Revenue [Line Items]
NET REVENUE	1,252,185	1,109,971	3,628,777	3,160,490
Government payers
Disaggregation of Revenue [Line Items]
NET REVENUE	172,750	147,005	501,243	424,033
Patients
Disaggregation of Revenue [Line Items]
NET REVENUE	$ 10,081	$ 21,570	$ 54,053	$ 67,261