Net Earnings (Loss) Per Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share [Abstract]
Net (Loss) Income	$ (1,243)	$ (2,109)	$ 1,751	$ (3,744)
Net income attributable to non-controlling interests	(54)	(870)	(863)	(1,375)
Net (Loss) Income Attributable to Air T, Inc. Stockholders	$ (1,297)	$ (2,979)	$ 888	$ (5,119)
(Loss) income per share:
Basic (in dollars per share)	$ (0.47)	$ (1.06)	$ 0.32	$ (1.82)
Diluted (in dollars per share)	$ (0.47)	$ (1.06)	$ 0.32	$ (1.82)
Antidilutive shares excluded from computation of income (loss) per share (in shares)	0	0	0	0
Weighted Average Shares Outstanding:
Basic (in shares)	2,756	2,822	2,755	2,820
Diluted (in shares)	2,756	2,822	2,755	2,820