Financing Arrangements - Long-term Debt (Details) - USD ($) $ in Thousands			3 Months Ended
	Jun. 23, 2023	May 26, 2023	Jun. 30, 2023	Mar. 31, 2023	Jan. 07, 2022	Aug. 31, 2021
Debt Instrument
Long-term debt, gross			$ 122,021	$ 125,914
Unamortized Debt Issuance Costs			(763)	(829)
Total Debt, net			121,258	125,085
Unsecured Debt | AirCo 1 Debt
Debt Instrument
Long-term debt, gross			6,393	6,393
Unsecured Debt | Jet Yard Debt
Debt Instrument
Long-term debt, gross			1,819	1,844
Unsecured Debt | Contrail Debt
Debt Instrument
Long-term debt, gross			43,363	50,621	$ 43,600
Interest rate stated percentage (as a percentage)					4.68%
Unsecured Debt | Revolver - MBT | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum
Debt Instrument
Basis spread on variable rate (as a percentage)	2.25%
Unsecured Debt | Revolver - MBT | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum
Debt Instrument
Basis spread on variable rate (as a percentage)	3.25%
Unsecured Debt | Term Loan - PSB | AirCo 1 Debt
Debt Instrument
Long-term debt, gross			$ 6,393	6,393
Unsecured Debt | Term Loan - PSB | AirCo 1 Debt | 3 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.26%	3.26%
Unsecured Debt | Term Loan - MBT | Jet Yard Debt
Debt Instrument
Long-term debt, gross			$ 1,819	1,844
Interest rate stated percentage (as a percentage)			4.14%
Unsecured Debt | Revolver - ONB | Contrail Debt
Debt Instrument
Long-term debt, gross			$ 5,183	12,441
Unused commitment fees			$ 19,817
Unsecured Debt | Revolver - ONB | Contrail Debt | 1 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.56%	3.56%
Unsecured Debt | Term Loan G - ONB | Contrail Debt
Debt Instrument
Long-term debt, gross			$ 38,180	38,180
Unsecured Debt | Term Loan G - ONB | Contrail Debt | 1 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.11%	3.11%
Unsecured Debt | Parent Company
Debt Instrument
Long-term debt, gross			$ 51,690	47,963
Unsecured Debt | Parent Company | Revolver - MBT
Debt Instrument
Long-term debt, gross			13,366	8,742
Unused commitment fees			$ 5,634
Unsecured Debt | Parent Company | Revolver - MBT | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum
Debt Instrument
Basis spread on variable rate (as a percentage)			2.25%
Unsecured Debt | Parent Company | Revolver - MBT | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum
Debt Instrument
Basis spread on variable rate (as a percentage)			3.25%
Unsecured Debt | Parent Company | Term Note A - MBT
Debt Instrument
Long-term debt, gross			$ 7,563	7,762
Interest rate stated percentage (as a percentage)			3.42%			3.42%
Unsecured Debt | Parent Company | Term Note B - MBT
Debt Instrument
Long-term debt, gross			$ 2,670	2,740
Interest rate stated percentage (as a percentage)			3.42%
Unsecured Debt | Parent Company | Term Note D - MBT
Debt Instrument
Long-term debt, gross			$ 1,321	1,338
Interest rate stated percentage (as a percentage)			5.09%
Unsecured Debt | Parent Company | Term Note D - MBT | 1-month LIBOR
Debt Instrument
Basis spread on variable rate (as a percentage)			2.00%
Unsecured Debt | Parent Company | Term Note E - MBT
Debt Instrument
Long-term debt, gross			$ 235	800
Interest rate stated percentage (as a percentage)			2.50%
Unsecured Debt | Parent Company | Term Note E - MBT | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument
Basis spread on variable rate (as a percentage)			1.50%
Unsecured Debt | Parent Company | Term Note F - MBT
Debt Instrument
Long-term debt, gross			$ 933	983
Unsecured Debt | Parent Company | Term Note F - MBT | Prime Rate
Debt Instrument
Basis spread on variable rate (as a percentage)			6.00%
Interest rate stated percentage (as a percentage)			1.00%
Unsecured Debt | Parent Company | Debt - Trust Preferred Securities
Debt Instrument
Long-term debt, gross			$ 25,602	25,598
Interest rate stated percentage (as a percentage)			8.00%
Notes Payable to Banks | Delphax Solutions Debt
Debt Instrument
Long-term debt, gross			$ 30	30
Notes Payable to Banks | Wolfe Lake Debt
Debt Instrument
Long-term debt, gross			9,523	9,586
Notes Payable to Banks | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			8,032	8,198
Notes Payable to Banks | WASI Debt
Debt Instrument
Long-term debt, gross			1,171	1,279
Notes Payable to Banks | Canadian Emergency Business Account Loan | Delphax Solutions Debt
Debt Instrument
Long-term debt, gross			$ 30	30
Interest rate stated percentage (as a percentage)			5.00%
Notes Payable to Banks | Term Loan - Bridgewater | Wolfe Lake Debt
Debt Instrument
Long-term debt, gross			$ 9,523	9,586
Interest rate stated percentage (as a percentage)			3.65%
Notes Payable to Banks | Term Loan - Bridgewater | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			$ 4,500	4,500
Interest rate stated percentage (as a percentage)			4.00%
Notes Payable to Banks | Term Loan A - ING | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			$ 2,445	2,610
Interest rate stated percentage (as a percentage)			3.50%
Notes Payable to Banks | Term Loan B - ING | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			$ 1,087	1,088
Interest rate stated percentage (as a percentage)			4.00%
Notes Payable to Banks | Promissory Note - Seller's Note | WASI Debt
Debt Instrument
Long-term debt, gross			$ 1,171	$ 1,279
Interest rate stated percentage (as a percentage)			6.00%