Financing Arrangements - Long-term Debt (Details) - USD ($) $ in Thousands			9 Months Ended
	Jun. 23, 2023	May 26, 2023	Dec. 31, 2023	Mar. 31, 2023	Jan. 07, 2022	Aug. 31, 2021
Debt Instrument
Long-term debt, gross			$ 101,231	$ 125,914
Unamortized Premiums and Debt Issuance Costs			(445)	(829)
Total Debt, net			100,786	125,085
AirCo 1 Debt | Unsecured debt
Debt Instrument
Long-term debt, gross			5,434	6,393
Jet Yard Debt | Unsecured debt
Debt Instrument
Long-term debt, gross			1,776	1,844
Contrail Debt | Unsecured debt
Debt Instrument
Long-term debt, gross			24,918	50,621	$ 43,600
Interest rate stated percentage (as a percentage)					4.68%
Delphax Solutions Debt | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			30	30
Wolfe Lake Debt | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			9,393	9,586
Air T Acquisition 22.1 | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			7,760	8,198
WASI Debt | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			958	1,279
Revolver - MBT | Unsecured debt | Minimum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)	2.25%
Revolver - MBT | Unsecured debt | Maximum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)	3.25%
Term Loan - PSB | AirCo 1 Debt | Unsecured debt
Debt Instrument
Long-term debt, gross			$ 5,434	6,393
Term Loan - PSB | AirCo 1 Debt | Unsecured debt | 3 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.26%	3.26%
Term Loan - MBT | Jet Yard Debt | Unsecured debt
Debt Instrument
Long-term debt, gross			$ 1,776	1,844
Interest rate stated percentage (as a percentage)			4.14%
Revolver - ONB | Contrail Debt | Unsecured debt
Debt Instrument
Long-term debt, gross			$ 0	12,441
Unused commitments			$ 25,000
Revolver - ONB | Contrail Debt | Unsecured debt | 1 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.56%	3.56%
Term Loan G - ONB | Contrail Debt | Unsecured debt
Debt Instrument
Long-term debt, gross			$ 24,918	38,180
Term Loan G - ONB | Contrail Debt | Unsecured debt | 1 Month SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)		3.11%	3.11%
Canadian Emergency Business Account Loan | Delphax Solutions Debt | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			$ 30	30
Interest rate stated percentage (as a percentage)			5.00%
Term Loan - Bridgewater | Wolfe Lake Debt | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			$ 9,393	9,586
Interest rate stated percentage (as a percentage)			3.65%
Term Loan - Bridgewater | Air T Acquisition 22.1 | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			$ 4,500	4,500
Interest rate stated percentage (as a percentage)			4.00%
Term Loan A - ING | Air T Acquisition 22.1 | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			$ 2,155	2,610
Interest rate stated percentage (as a percentage)			3.50%
Term Loan B - ING | Air T Acquisition 22.1 | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			$ 1,105	1,088
Interest rate stated percentage (as a percentage)			4.00%
Promissory Note - Seller's Note | WASI Debt | Notes Payable to Banks
Debt Instrument
Long-term debt, gross			$ 958	1,279
Interest rate stated percentage (as a percentage)			6.00%
Parent company | Unsecured debt
Debt Instrument
Long-term debt, gross			$ 50,962	47,963
Parent company | Revolver - MBT | Unsecured debt
Debt Instrument
Long-term debt, gross			6,492	8,742
Unused commitments			$ 10,508
Parent company | Revolver - MBT | Unsecured debt | Minimum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)			2.25%
Parent company | Revolver - MBT | Unsecured debt | Maximum | SOFR
Debt Instrument
Basis spread on variable rate (as a percentage)			3.25%
Parent company | Term Note A - MBT | Unsecured debt
Debt Instrument
Long-term debt, gross			$ 7,160	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			$ 2,528	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			$ 1,287	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 | LIBOR
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			$ 833	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			$ 32,662	$ 25,598
Interest rate stated percentage (as a percentage)			8.00%