Equity Method Investments - Narrative (Details) shares in Millions		3 Months Ended
	May 05, 2021 USD ($) interest	Jun. 30, 2024 USD ($) shares	Jun. 30, 2023 USD ($)	May 30, 2024	Mar. 31, 2024 USD ($)
Schedule of Equity Method Investments
Income (loss) from equity method investments		$ 1,923,000	$ 691,000
Equity method investments		16,030,000			$ 16,653,000
Number of classes of equity interests | interest	2
Net Loss Attributable to Air T, Inc. Stockholders		(335,000)	(531,000)
CAM
Schedule of Equity Method Investments
Equity method investments		7,279,000			$ 7,397,000
Ownership percentage (as a percentage)	90.00%			21.00%
Minority interest, ownership (percent)	10.00%
Noncontrolling interest, increase from subsidiary equity issuance	$ 1,000,000
Net Loss Attributable to Air T, Inc. Stockholders		$ 1,495,000	$ (495,000)
Insignia
Schedule of Equity Method Investments
Number of shares held (in shares) | shares		0.5
Ownership percentage		27.90%
Cadillac Castings, Inc
Schedule of Equity Method Investments
Ownership percentage		20.10%
Difference decrease between carrying amount and underlying equity		$ 300,000
Investment realized gain (loss) on disposal		$ (12,000.0)