Note 12 - Earnings (Loss) Per Share - Schedule of Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net income (loss)	$ (1,634)	$ (8,761)	$ 10,263	$ (10,394)	$ (9,251)
Net income (loss), nci	(2,412)		(2,402)	(4,978)	(6,153)
Basic net income (loss) attributable to Sky Harbour Group Corporation shareholders	778		12,665	(5,416)	(3,098)
Less: Net (loss) attributable to non-controlling interests	(2,412)		(2,402)	0	0
Diluted net (loss) attributable to Sky Harbour Group Corporation shareholders	$ (1,634)		$ (10,263)	$ (5,416)	$ (3,098)
Basic weighted average shares of Class A Common Stock outstanding (in shares)	15,167		14,938	15,076	12,957
Effect of dilutive exchange of Class B Common Stock (in shares)	42,046		42,192	0	0
Effect of dilutive exchange of Sky Incentive Units (in shares)	0		2,808	0	0
Effect of dilutive restricted stock (in shares)	0		9	0	0
Diluted weighted average shares outstanding (in shares)	57,213		59,947	15,076	12,957
Earnings (loss) per share of Class A Common Stock – Basic (in dollars per share)	$ 0.05		$ 0.85	$ (0.36)	$ (0.24)
Earnings (loss) per share of Class A Common Stock – Diluted (in dollars per share)	$ (0.03)		$ 0.17	$ (0.36)	$ (0.24)