CREDIT FACILITIES AND NOTES PAYABLE - Schedule of Term Loan Debt Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt obligations	$ 864,322	$ 851,744
Less: current portion	(15,989)	(12,400)
Long term portion debt obligations	848,333	839,344
Equipment notes payable at 6.0%, due 2028, collateralized by medical equipment
Debt Instrument [Line Items]
Total debt obligations	$ 18,778	0
Interest rate, stated percentage	6.00%
Term Loans | First Lien Term Loan
Debt Instrument [Line Items]
Discount on First Lien Term Loans	$ (10,084)	(11,127)
Total debt obligations	710,500	714,125
Term Loans | NJIN Term Loan Agreement
Debt Instrument [Line Items]
Discount on First Lien Term Loans	(1,122)	(1,254)
Total debt obligations	$ 146,250	$ 150,000