LONG-TERM DEBT - Schedule of long-term debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Jan. 31, 2021	Jan. 25, 2021
LONG-TERM DEBT
Total debt	$ 650,000	$ 725,000
Less: original issue discount and issuance costs	7,421	8,754
Long-term debt, net	642,579	716,246
7.375% Senior Secured Notes due February 2028
LONG-TERM DEBT
Total debt	$ 650,000	$ 725,000
Interest rate	7.375%	7.375%	7.375%	7.375%