DEBT - Long-term Debt Schedule (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
DEBT
Total Debt	$ 309,635	$ 326,410
Less: Unamortized debt issuance costs	(2,780)	(3,064)
Less: Current Maturities of Long-term Debt, net	(62,089)	(68,017)
Total Long-term Debt, net	244,766	255,329
2019-1 EETC | Notes payable
DEBT
Total Debt	101,512	101,512
2022-1 EETC | Notes payable
DEBT
Total Debt	104,111	118,288
Delayed Draw Term Loan Facility
DEBT
Total Debt	$ 104,012	$ 106,610