SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Changes in Contractual Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]
Balance, beginning of year	$ 41,389	$ 31,274	$ 21,281
Add: provision for contractual adjustments	52,523	41,158	27,459
Less: contractual adjustments	(41,223)	(31,043)	(17,466)
Balance, end of year	$ 52,689	$ 41,389	$ 31,274