SEGMENT INFORMATION - Adjusted EBITDA (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information
Operating (Loss) Income	$ (4,407)	$ 8,755
Depreciation and amortization (excluding leased engines depreciation)	2,525	1,589
Asset impairment, restructuring or impairment charges	7,840	805
Loss (Gain) on sale of property and equipment	8	5
Securities expenses	63	252
Adjusted EBITDA	6,029	11,406
Overnight air cargo:
Segment Reporting Information
Operating (Loss) Income	4,047	2,794
Depreciation and amortization (excluding leased engines depreciation)	115	58
Asset impairment, restructuring or impairment charges	342	0
Loss (Gain) on sale of property and equipment	1	2
Securities expenses	0	0
Adjusted EBITDA	4,505	2,854
Ground equipment sales
Segment Reporting Information
Operating (Loss) Income	3,141	3,220
Ground equipment sales | Domestic
Segment Reporting Information
Operating (Loss) Income	3,141	3,220
Depreciation and amortization (excluding leased engines depreciation)	164	234
Asset impairment, restructuring or impairment charges	0	0
Loss (Gain) on sale of property and equipment	9	1
Securities expenses	0	0
Adjusted EBITDA	3,314	3,455
Commercial jet engines and parts
Segment Reporting Information
Operating (Loss) Income	(957)	3,619
Commercial jet engines and parts | Domestic
Segment Reporting Information
Operating (Loss) Income	(957)	3,619
Depreciation and amortization (excluding leased engines depreciation)	745	694
Asset impairment, restructuring or impairment charges	7,319	885
Loss (Gain) on sale of property and equipment	(2)	2
Securities expenses	0	0
Adjusted EBITDA	7,105	5,200
Corporate and other
Segment Reporting Information
Operating (Loss) Income	(10,638)	(878)
Depreciation and amortization (excluding leased engines depreciation)	1,501	603
Asset impairment, restructuring or impairment charges	179	(80)
Loss (Gain) on sale of property and equipment	0	0
Securities expenses	63	252
Adjusted EBITDA	$ (8,895)	$ (103)