Financing Arrangements - Long-term Debt (Details) - USD ($) $ in Thousands			6 Months Ended
	Jun. 23, 2023	May 26, 2023	Sep. 30, 2023	Mar. 31, 2023	Jan. 07, 2022	Aug. 31, 2021
Debt Instrument
Long-term debt, gross			$ 108,819	$ 125,914
Unamortized Debt Issuance Costs			(761)	(829)
Total Debt, net			108,058	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			1,801	1,844
Unsecured Debt | Contrail Debt
Debt Instrument
Long-term debt, gross			28,139	50,621	$ 43,600
Interest rate stated percentage (as a percentage)					4.68%
Notes Payable to Banks | Delphax Solutions Debt
Debt Instrument
Long-term debt, gross			29	30
Notes Payable to Banks | Wolfe Lake Debt
Debt Instrument
Long-term debt, gross			9,459	9,586
Notes Payable to Banks | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			7,784	8,198
Notes Payable to Banks | WASI Debt
Debt Instrument
Long-term debt, gross			1,065	1,279
Revolver - MBT | Unsecured Debt | Maximum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)	3.25%
Revolver - MBT | Unsecured Debt | Minimum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)	2.25%
Term Loan - PSB | Unsecured Debt | AirCo 1 Debt
Debt Instrument
Long-term debt, gross			$ 6,393	6,393
Term Loan - PSB | Unsecured Debt | AirCo 1 | 3 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.26%	3.26%
Term Loan - MBT | Unsecured Debt | Jet Yard Debt
Debt Instrument
Long-term debt, gross			$ 1,801	1,844
Interest rate stated percentage (as a percentage)			4.14%
Revolver - ONB | Unsecured Debt | Contrail Debt
Debt Instrument
Long-term debt, gross			$ 3,221	12,441
Unused commitments			$ 21,779
Revolver - ONB | Unsecured Debt | Contrail Debt | 1 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.56%	3.56%
Term Loan G - ONB | Unsecured Debt | Contrail Debt
Debt Instrument
Long-term debt, gross			$ 24,918	38,180
Term Loan G - ONB | Unsecured Debt | Contrail Debt | 1 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.11%	3.11%
Canadian Emergency Business Account Loan | Notes Payable to Banks | Delphax Solutions Debt
Debt Instrument
Long-term debt, gross			$ 29	30
Interest rate stated percentage (as a percentage)			5.00%
Term Loan - Bridgewater | Notes Payable to Banks | Wolfe Lake Debt
Debt Instrument
Long-term debt, gross			$ 9,459	9,586
Interest rate stated percentage (as a percentage)			3.65%
Term Loan - Bridgewater | Notes Payable to Banks | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			$ 4,500	4,500
Interest rate stated percentage (as a percentage)			4.00%
Term Loan A - ING | Notes Payable to Banks | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			$ 2,225	2,610
Interest rate stated percentage (as a percentage)			3.50%
Term Loan B - ING | Notes Payable to Banks | Air T Acquisition 22.1
Debt Instrument
Long-term debt, gross			$ 1,059	1,088
Interest rate stated percentage (as a percentage)			4.00%
Promissory Note - Seller's Note | Notes Payable to Banks | WASI Debt
Debt Instrument
Long-term debt, gross			$ 1,065	1,279
Interest rate stated percentage (as a percentage)			6.00%
Parent Company | Unsecured Debt
Debt Instrument
Long-term debt, gross			$ 54,149	47,963
Parent Company | Revolver - MBT | Unsecured Debt
Debt Instrument
Long-term debt, gross			16,395	8,742
Unused commitments			$ 2,605
Parent Company | Revolver - MBT | Unsecured Debt | Maximum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)			3.25%
Parent Company | Revolver - MBT | Unsecured Debt | Minimum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)			2.25%
Parent Company | Term Note A - MBT | Unsecured Debt
Debt Instrument
Long-term debt, gross			$ 7,363	7,762
Interest rate stated percentage (as a percentage)			3.42%			3.42%
Parent Company | Term Note B - MBT | Unsecured Debt
Debt Instrument
Long-term debt, gross			$ 2,599	2,740
Interest rate stated percentage (as a percentage)			3.42%
Parent Company | Term Note D - MBT | Unsecured Debt
Debt Instrument
Long-term debt, gross			$ 1,304	1,338
Interest rate stated percentage (as a percentage)			5.09%
Parent Company | Term Note D - MBT | Unsecured Debt | 1-month LIBOR
Debt Instrument
Basis spread on variable rate (as a percentage)			2.00%
Parent Company | Term Note E - MBT | Unsecured Debt
Debt Instrument
Long-term debt, gross			$ 0	800
Interest rate stated percentage (as a percentage)			2.50%
Parent Company | Term Note E - MBT | Unsecured Debt | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)			1.50%
Parent Company | Term Note F - MBT | Unsecured Debt
Debt Instrument
Long-term debt, gross			$ 883	983
Parent Company | Term Note F - MBT | Unsecured Debt | Prime Rate
Debt Instrument
Basis spread on variable rate (as a percentage)			6.00%
Interest rate stated percentage (as a percentage)			1.00%
Parent Company | Debt - Trust Preferred Securities | Unsecured Debt
Debt Instrument
Long-term debt, gross			$ 25,605	$ 25,598
Interest rate stated percentage (as a percentage)			8.00%