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LONG-TERM DEBT - Components (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Principal |  |
Aggregate maturities of long-term debt | $ 347,584 | $ 427,009
Less current maturities | (20,789) | (24,970)
Total long-term debt | 326,795 | 402,039
Unamortized Discount and Debt Issuance Costs |  |
Unamortized debt issuance costs including current and non-current | (10,425) | (4,836)
Less current maturities | 451 |
Total unamortized debt issuance costs | (9,974) | (4,836)
Revolving credit facility |  |
Unamortized Discount and Debt Issuance Costs |  |
Unamortized debt issuance costs including current and non-current | (8,118) | (2,702)
Term loan |  |
Principal |  |
Aggregate maturities of long-term debt | 60,938 |
Unamortized Discount and Debt Issuance Costs |  |
Unamortized debt issuance costs including current and non-current | (1,416) |
Senior notes |  |
Principal |  |
Aggregate maturities of long-term debt | 284,607 | 400,000
Unamortized Discount and Debt Issuance Costs |  |
Unamortized debt issuance costs including current and non-current | (891) | (2,134)
November 2019 equipment financing |  |
Principal |  |
Aggregate maturities of long-term debt |  | 21,072
June 2020 equipment financing |  |
Principal |  |
Aggregate maturities of long-term debt | $ 2,039 | $ 5,937

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