INTANGIBLES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Mar. 03, 2023
Indefinite-Lived Intangible Assets [Line Items]
Intangible asset amortization expense	$ 15	$ 15	$ 45	$ 45
Intangible asset - Part 135 air carrier certificate	1,200		1,200		$ 1,200
Gain from sale of consolidated entity	$ 0	$ 0	0	387
Impairment of certificates			$ 0	0	0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Fly Dreams, LLC
Indefinite-Lived Intangible Assets [Line Items]
Intangible asset carrying value					163
Selling price					550	$ 550
Gain from sale of consolidated entity				$ 387	$ 387