LONG-TERM DEBT - Schedule of long-term debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Jan. 25, 2021	Jan. 08, 2021
LONG-TERM DEBT
Total debt	$ 725,000	$ 750,000
Less: current portion of long-term debt	0	0
Less: original issue discount and issuance costs	8,754	11,000
Long-term debt, net	716,246	739,000
7.375% Senior Secured Notes due February 2028
LONG-TERM DEBT
Total debt	$ 725,000	$ 750,000
Interest rate	7.375%		7.375%	7.375%