CREDIT FACILITIES AND NOTES PAYABLE - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt	$ 830,042	$ 851,744
Total debt obligations	830,042	851,744
Less current portion	(17,974)	(12,400)
Long-term portion of debt obligations	812,068	839,344
Term Loan | Term Loans
Debt Instrument [Line Items]
Debt	678,687	714,125
Discount on debt	(9,041)	(11,127)
Total debt obligations	678,687	714,125
Term Loan | Restated Agreement
Debt Instrument [Line Items]
Debt	144,375	150,000
Discount on debt	(990)	(1,254)
Total debt obligations	$ 144,375	150,000
Secured Debt | 6.0% Notes due 2028
Debt Instrument [Line Items]
Debt instrument, interest rate	6.00%
Equipment notes payable at 6.0%, due 2028, collateralized by medical equipment	$ 17,011	$ 0