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FINANCING ARRANGEMENTS - Schedule of Debt (Details) - USD ($) |  | 3 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 26, 2023 | Mar. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Jun. 09, 2022 | Mar. 31, 2022 | Jan. 07, 2022 | Aug. 31, 2021
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 125,914,000 | $ 125,914,000 |  |  | $ 136,932,000 |  |
Unamortized Debt Issuance Costs |  | (829,000) | (829,000) |  |  | (1,124,000) |  |
Total Debt, net |  | 125,085,000 | 125,085,000 |  |  | 135,808,000 |  |
AirCo 1 Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 6,393,000 | 6,393,000 |  |  | 6,393,000 |  |
Jet Yard Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 1,844,000 | 1,844,000 |  |  | 1,943,000 |  |
Contrail Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 50,621,000 | 50,621,000 |  |  | 57,459,000 | $ 43,600,000 |
Interest rate stated percentage (as a percentage) |  |  |  |  |  |  | 4.68% |
Delphax Solutions Debt | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 30,000 | 30,000 |  |  | 32,000 |  |
Wolfe Lake Debt | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 9,586,000 | 9,586,000 |  |  | 9,837,000 |  |
Air T Acquisition 22.1 | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 8,198,000 | 8,198,000 |  |  | 9,455,000 |  |
WASI Debt | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 1,279,000 | 1,279,000 |  |  | 0 |  |
Overline Note - MBT | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Employee retention tax credit |  |  |  |  | $ 9,100,000 |  |  |
Term Note F - MBT | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  |  |  |  | $ 1,000,000 |  |  |
Interest rate stated percentage (as a percentage) |  |  |  |  | 6.00% |  |  |
Term Note F - MBT | Prime Rate | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Interest rate stated percentage (as a percentage) |  |  |  |  | 1.00% |  |  |
Promissory Note - CCI |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Minimum net worth required for compliance |  | 2,000,000 | 2,000,000 |  |  |  |  |
Promissory Note - CCI | Jet Yard Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Minimum net worth required for compliance |  |  |  |  | $ 5,000,000 |  |  |
Term Loan - Park State Bank ("PSB") | AirCo 1 Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 6,393,000 | $ 6,393,000 |  |  | 6,393,000 |  |
Basis spread on variable rate (as a percentage) |  |  | 3.00% |  |  |  |  |
Term Loan - Park State Bank ("PSB") | AirCo 1 Debt | Unsecured Debt | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Minimum net worth required for compliance | $ 6,400,000 |  |  |  |  |  |  |
Term Loan - MBT | Jet Yard Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 1,844,000 | $ 1,844,000 |  |  | 1,943,000 |  |
Interest rate stated percentage (as a percentage) |  | 4.14% | 4.14% |  |  |  |  |
Revolver - ONB | Contrail Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 12,441,000 | $ 12,441,000 |  |  | 3,843,000 |  |
Basis spread on variable rate (as a percentage) |  |  | 3.45% |  |  |  |  |
Unused commitments |  | 12,559,000 | $ 12,559,000 |  |  |  |  |
Revolver - ONB | Contrail Debt | Unsecured Debt | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Minimum net worth required for compliance | $ 25,000,000 |  |  |  |  |  |  |
Revolver - ONB | Contrail Debt | 1 Month LIBOR | Unsecured Debt | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) | 3.56% |  |  |  |  |  |  |
Term Loan G - ONB | Contrail Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 38,180,000 | $ 38,180,000 |  |  | 44,918,000 |  |
Basis spread on variable rate (as a percentage) |  |  | 3.00% |  |  |  |  |
Term Loan G - ONB | Contrail Debt | Unsecured Debt | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Minimum net worth required for compliance | $ 38,200,000 |  |  |  |  |  |  |
Term Loan G - ONB | Contrail Debt | 1 Month LIBOR | Unsecured Debt | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) | 3.11% |  |  |  |  |  |  |
Minimum net worth required for compliance | $ 38,200,000 |  |  |  |  |  |  |
Term Loan H - ONB | Contrail Debt | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | 0 | $ 0 |  |  | 8,698,000 |  |
Term Loan H - ONB | Contrail Debt | Prime Rate | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  |  | 0.75% |  |  |  |  |
Canadian Emergency Business Account Loan | Delphax Solutions Debt | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 30,000 | $ 30,000 |  |  | 32,000 |  |
Interest rate stated percentage (as a percentage) |  | 5.00% | 5.00% |  |  |  |  |
Term Loan - Bridgewater | Wolfe Lake Debt | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 9,586,000 | $ 9,586,000 |  |  | 9,837,000 |  |
Interest rate stated percentage (as a percentage) |  | 3.65% | 3.65% |  |  |  |  |
Term Loan - Bridgewater | Air T Acquisition 22.1 | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 4,500,000 | $ 4,500,000 |  |  | 5,000,000 |  |
Interest rate stated percentage (as a percentage) |  | 4.00% | 4.00% |  |  |  |  |
Term Loan A - ING | Air T Acquisition 22.1 | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 2,610,000 | $ 2,610,000 |  |  | 3,341,000 |  |
Interest rate stated percentage (as a percentage) |  | 3.50% | 3.50% |  |  |  |  |
Term Loan B - ING | Air T Acquisition 22.1 | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 1,088,000 | $ 1,088,000 |  |  | 1,114,000 |  |
Interest rate stated percentage (as a percentage) |  | 4.00% | 4.00% |  |  |  |  |
Promissory Note - Seller's Note | WASI Debt | Notes Payable to Banks |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 1,279,000 | $ 1,279,000 |  |  | 0 |  |
Interest rate stated percentage (as a percentage) |  | 6.00% | 6.00% |  |  |  |  |
Parent Company | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 47,963,000 | $ 47,963,000 |  |  | 51,813,000 |  |
Parent Company | Revolver - MBT | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 8,742,000 | $ 8,742,000 |  |  | 10,969,000 |  |
Interest rate stated percentage (as a percentage) |  | 2.50% | 2.50% |  |  |  |  |
Unused commitments |  | $ 8,258,000 | $ 8,258,000 |  |  |  |  |
Parent Company | Revolver - MBT | Prime Rate | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  |  | 1.00% |  |  |  |  |
Parent Company | Overline Note - MBT | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 0 | $ 0 |  |  | 0 |  |
Interest rate stated percentage (as a percentage) |  | 2.50% | 2.50% |  |  |  |  |
Received refunds |  | $ 2,600,000 |  |  |  |  |  |
Employee retention tax credit |  |  |  |  |  | 9,100,000 |  |
Parent Company | Overline Note - MBT | Prime Rate | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  |  | 0.50% |  |  |  |  |
Parent Company | Term Note A - MBT | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 7,762,000 | $ 7,762,000 |  |  | 8,542,000 |  |
Interest rate stated percentage (as a percentage) |  | 3.42% | 3.42% |  |  |  |  | 3.42%
Parent Company | Term Note B - MBT | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 2,740,000 | $ 2,740,000 |  |  | 3,014,000 |  |
Interest rate stated percentage (as a percentage) |  | 3.42% | 3.42% |  |  |  |  |
Parent Company | Term Note D - MBT | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 1,338,000 | $ 1,338,000 |  |  | 1,405,000 |  |
Parent Company | Term Note D - MBT | 1 Month LIBOR | Unsecured Debt |  |  |  |  |  |  |  |
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 |  | $ 800,000 | $ 800,000 |  |  | 2,316,000 |  |
Interest rate stated percentage (as a percentage) |  | 2.50% | 2.50% |  |  |  |  |
Parent Company | Term Note E - MBT | London Interbank Offered Rate (LIBOR) | Unsecured Debt |  |  |  |  |  |  |  |
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 |  | $ 983,000 | $ 983,000 |  |  | 0 |  |
Parent Company | Term Note F - MBT | Prime Rate | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  |  | 1.00% |  |  |  |  |
Interest rate stated percentage (as a percentage) |  | 6.00% | 6.00% |  |  |  |  |
Parent Company | Promissory Note - CCI | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 0 | $ 0 |  |  | 0 |  |
Interest rate stated percentage (as a percentage) |  | 10.00% | 10.00% | 10.00% |  |  |  |
Minimum net worth required for compliance |  |  |  | $ 2,000,000 |  |  |  |
Parent Company | Debt - Trust Preferred Securities | Unsecured Debt |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Long-term debt gross |  | $ 25,598,000 | $ 25,598,000 |  |  | $ 25,567,000 |  |
Interest rate stated percentage (as a percentage) |  | 8.00% | 8.00% |  |  |  |  |

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