LONG-TERM DEBT - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Principal
Aggregate maturities of long-term debt	$ 440,547	$ 347,584
Less current maturities	(76,873)	(20,789)
Total long-term debt	363,674	326,795
Unamortized Discount and Debt Issuance Costs
Unamortized debt issuance costs including current and non-current	(9,506)	(10,425)
Less current maturities	451	451
Total unamortized debt issuance costs	(9,055)	(9,974)
Revolving credit facility
Unamortized Discount and Debt Issuance Costs
Unamortized debt issuance costs including current and non-current	(7,478)	(8,118)
Term loan
Principal
Aggregate maturities of long-term debt	56,250	60,938
Unamortized Discount and Debt Issuance Costs
Unamortized debt issuance costs including current and non-current	(1,304)	(1,416)
Senior notes
Principal
Aggregate maturities of long-term debt	284,607	284,607
Unamortized Discount and Debt Issuance Costs
Unamortized debt issuance costs including current and non-current	(724)	(891)
Securitization facility
Principal
Aggregate maturities of long-term debt	45,000
June 2020 equipment financing
Principal
Aggregate maturities of long-term debt	1,028	$ 2,039
February 2024 equipment financing
Principal
Aggregate maturities of long-term debt	$ 53,662