Equity Method Investments - Schedule of Investment Balances (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2024
Schedule of Equity Method Investments
Equity method investments	$ 18,743		$ 18,743		$ 16,653
Net (Loss) Income Attributable to Air T, Inc. Stockholders	(1,297)	$ (2,979)	888	$ (5,119)
Total
Schedule of Equity Method Investments
Equity method investments	18,743		18,743		16,653
Net (Loss) Income Attributable to Air T, Inc. Stockholders	661	1,038	4,930	2,477
Equity method investment, distribution	1,804	270	5,132	2,087
Lendway
Schedule of Equity Method Investments
Equity method investments	1,534		1,534		2,339
Net (Loss) Income Attributable to Air T, Inc. Stockholders	(320)	313	(816)	750
Equity method investment, distribution	0	0	0	0
CCI
Schedule of Equity Method Investments
Equity method investments	4,208		4,208		3,723
Net (Loss) Income Attributable to Air T, Inc. Stockholders	(267)	169	484	1,508
Equity method investment, distribution	0	0	0	452
CAM
Schedule of Equity Method Investments
Equity method investments	10,864		10,864		7,397
Net (Loss) Income Attributable to Air T, Inc. Stockholders	1,246	563	5,085	1
Equity method investment, distribution	1,624	225	3,901	1,421
Other
Schedule of Equity Method Investments
Equity method investments	2,137		2,137		$ 3,194
Net (Loss) Income Attributable to Air T, Inc. Stockholders	2	(7)	177	218
Equity method investment, distribution	$ 180	$ 45	$ 1,231	$ 214