v3.26.1
Note 12 - Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Billions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Mar. 27, 2024
Sky Harbour LLC [Member] | LLC Interests and TRA Holders [Member]        
Subsidiary, Ownership Percentage, Noncontrolling Owner 54.90% 54.90%    
At Market Issuance Sales Agreement [Member]        
Sale of Stock, Maximum Amount Issuable $ 0.1 $ 0.1   $ 0.1
Sale of Stock, Commission Percentage       3.00%
Common Class A [Member]        
Common Stock, Shares, Outstanding (in shares) 34,510,324 34,510,324 33,989,673  
Common Class A [Member] | At Market Issuance Sales Agreement [Member]        
Stock Issued During Period, Shares, New Issues (in shares) 195,112 242,483    
Stock Issued During Period, Price per Share (in dollars per share) $ 10.6 $ 10.49    
Common Class B [Member]        
Common Stock, Shares, Outstanding (in shares) 42,046,356 42,046,356 42,046,356