SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Changes in Contractual Allowance (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Changes In The Contractual Allowance
Balance, beginning of period	$ 41,389	$ 31,274	$ 31,274
Add: provision for contractual adjustments	16,099	9,609	41,158
Less: contractual adjustments	(9,457)	(26)	(31,043)
Balance, end of period	$ 48,031	$ 40,857	$ 41,389