Financing Arrangements - Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Debt Instrument [Line Items]
Net interest expense	$ 2,314	$ 1,946
Air T
Debt Instrument [Line Items]
Net interest expense	711	971
Jet Yard
Debt Instrument [Line Items]
Net interest expense	0	18
Alerus Loan Parties
Debt Instrument [Line Items]
Net interest expense	371	0
Contrail
Debt Instrument [Line Items]
Net interest expense	309	358
AirCo 1
Debt Instrument [Line Items]
Net interest expense	0	126
Wolfe Lake Debt
Debt Instrument [Line Items]
Net interest expense	83	60
Air T Acquisition 22.1
Debt Instrument [Line Items]
Net interest expense	89	68
WASI Debt
Debt Instrument [Line Items]
Net interest expense	5	12
AAM 24-1 Debt
Debt Instrument [Line Items]
Net interest expense	699	323
MAC
Debt Instrument [Line Items]
Net interest expense	38	0
Other
Debt Instrument [Line Items]
Net interest expense	$ 9	$ 10