v3.26.1
Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Jul. 31, 2003
Extinguishment of Debt [Line Items]      
Operating lease right-of-use asset $ 4,653 $ 6,233  
Hangar      
Extinguishment of Debt [Line Items]      
Operating lease right-of-use asset $ 1,968 $ 2,084  
City of Milwaukee, Wisconsin variable rate Industrial Development Bonds      
Extinguishment of Debt [Line Items]      
Aggregate principal amount     $ 4,275