Segment Information - Schedule of Elimination (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Segment Reporting
Depreciation and amortization	$ 9,885	$ 1,284
Capital expenditures	21,323	231
Operating income (loss)	(12,825)	848
Operating Segments
Segment Reporting
Operating income (loss)	111	145
Operating Segments \| Total Reportable segments
Segment Reporting
Depreciation and amortization	9,749	1,139
Capital expenditures	21,323	231
Operating income (loss)	(10,143)	3,412
Operating Segments \| Regional airline
Segment Reporting
Depreciation and amortization	8,819
Capital expenditures	20,849
Operating income (loss)	(7,727)	0
Operating Segments \| Overnight Air Cargo
Segment Reporting
Depreciation and amortization	155	138
Capital expenditures	187	65
Operating income (loss)	1,923	1,466
Operating Segments \| Commercial Aircraft, Engines and Parts
Segment Reporting
Depreciation and amortization	173	757
Capital expenditures	50	166
Operating income (loss)	(746)	858
Operating Segments \| Ground Support Equipment
Segment Reporting
Depreciation and amortization	37	36
Capital expenditures	0	0
Operating income (loss)	(247)	1,338
Operating Segments \| Digital Solutions
Segment Reporting
Depreciation and amortization	268	207
Capital expenditures	0	0
Operating income (loss)	151	(250)
Operating Segments \| Aviation leasing and asset management
Segment Reporting
Depreciation and amortization	297
Capital expenditures	0
Operating income (loss)	(3,497)
Corporate and Other
Segment Reporting
Depreciation and amortization	136	146
Capital expenditures	0	0
Operating income (loss)	(2,793)	(2,709)
Corporate and other
Segment Reporting
Operating income (loss)	(2,749)	(2,659)
Corporate and other \| Total Reportable segments
Segment Reporting
Operating income (loss)	(10,076)	3,507
Corporate and other \| Regional airline
Segment Reporting
Operating income (loss)	(7,683)	0
Corporate and other \| Overnight Air Cargo
Segment Reporting
Operating income (loss)	1,923	1,466
Corporate and other \| Commercial Aircraft, Engines and Parts
Segment Reporting
Operating income (loss)	(722)	953
Corporate and other \| Ground Support Equipment
Segment Reporting
Operating income (loss)	(247)	1,338
Corporate and other \| Digital Solutions
Segment Reporting
Operating income (loss)	150	(250)
Corporate and other \| Aviation leasing and asset management
Segment Reporting
Operating income (loss)	(3,497)
Intersegment eliminations
Segment Reporting
Operating income (loss)	(44)	(50)
Intersegment eliminations \| Total Reportable segments
Segment Reporting
Operating income (loss)	(67)	(95)
Intersegment eliminations \| Regional airline
Segment Reporting
Operating income (loss)	(44)
Intersegment eliminations \| Commercial Aircraft, Engines and Parts
Segment Reporting
Operating income (loss)	(24)	$ (95)
Intersegment eliminations \| Digital Solutions
Segment Reporting
Operating income (loss)	$ 1