| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| | | Three Months Ended | | | Six Months Ended | |
| | | June 30, 2026 | | | June 30, 2025 | | | June 30, 2026 | | | June 30, 2025 | |
| Numerator: | | | | | | | | | | | | | | | | |
| Net (loss) income | | $ | (4,368 | ) | | $ | 14,356 | | | $ | (13,341 | ) | | $ | 5,230 | |
| Less: Net loss attributable to non-controlling interests | | | (3,131 | ) | | | (3,097 | ) | | | (6,525 | ) | | | (5,847 | ) |
| Basic net (loss) income attributable to Sky Harbour Group Corporation shareholders | | | (1,237 | ) | | | 17,453 | | | | (6,816 | ) | | | 11,077 | |
| Less: Net loss attributable to non-controlling interests | | | - | | | | (3,097 | ) | | | - | | | | (5,847 | ) |
| Diluted net (loss) income attributable to Sky Harbour Group Corporation shareholders | | | (1,237 | ) | | | 14,356 | | | | (6,816 | ) | | | 5,230 | |
| | | | | | | | | | | | | | | | | |
| Denominator: | | | | | | | | | | | | | | | | |
| Basic weighted average shares of Class A Common Stock outstanding | | | 34,457 | | | | 33,827 | | | | 34,266 | | | | 33,747 | |
| Effect of dilutive exchange of Class B Common Stock | | | - | | | | 42,046 | | | | - | | | | 42,046 | |
| Effect of dilutive exchange of Sky Incentive Units | | | - | | | | 1,859 | | | | - | | | | 1,857 | |
| Effect of dilutive restricted stock units | | | - | | | | 135 | | | | - | | | | 118 | |
| Diluted weighted average shares outstanding | | | 34,457 | | | | 77,867 | | | | 34,266 | | | | 77,768 | |
| | | | | | | | | | | | | | | | | |
| (Loss) earnings per share of Class A Common Stock – Basic | | $ | (0.04 | ) | | $ | 0.52 | | | $ | (0.20 | ) | | $ | 0.33 | |
| (Loss) earnings per share of Class A Common Stock – Diluted | | $ | (0.04 | ) | | $ | 0.18 | | | $ | (0.20 | ) | | $ | 0.07 | |
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| Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
| | | Three Months Ended | | | Six months ended | |
| | | June 30, 2026 | | | June 30, 2025 | | | June 30, 2026 | | | June 30, 2025 | |
| Shares subject to unvested restricted stock units | | | 1,559 | | | | 962 | | | | 1,559 | | | | 978 | |
| Shares issuable upon the exercise of unvested stock options | | | 2,313 | | | | 1,125 | | | | 2,313 | | | | 1,125 | |
| Shares issuable upon the exercise of Warrants | | | 15,798 | | | | 15,798 | | | | 15,798 | | | | 15,798 | |
| Shares issuable upon the exchange of Class B Common Stock | | | 42,046 | | | | - | | | | 42,046 | | | | - | |
| Shares issuable upon the exercise and exchange of Sky Incentive Units | | | 1,860 | | | | 1 | | | | 1,860 | | | | 3 | |
|