DEPOSITS - Schedule of Deposits on Aircraft (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Deposit Assets [Line Items]
Total deposits	$ 46,856	$ 40,816
Less current portion	(25,200)	(25,125)
Total deposits, non-current	21,656	15,691
Other Deposits
Deposit Assets [Line Items]
Total deposits	406	516
Gulfstream G-280 And Honda HA-420
Deposit Assets [Line Items]
Total deposits	46,450	40,300
Less current portion	(25,200)	(25,050)
Total deposits, non-current	21,250	15,250
Gulfstream G-280
Deposit Assets [Line Items]
Total deposits	45,000	39,000
HondaJet HA-420
Deposit Assets [Line Items]
Total deposits	1,450	$ 1,300
Total deposits, non-current	$ 1,500