v3.26.3
Related Party Transactions - Aircraft Time Sharing Agreement (Details) - Related Party - Aircraft Time Sharing Agreement - Air Transportation Equipment
$ in Millions
3 Months Ended 9 Months Ended
Oct. 22, 2015
aircraft
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Verde Investments, Inc.          
Related Party Transaction [Line Items]          
Contractual agreement term 12 months        
Contractual agreement, perpetual automatic renewal 12 months        
Number of allowable days prior to contract termination with written notice 30 days        
Reimbursement expense (less than) | $   $ 1 $ 1 $ 1 $ 1
Verde Investments, Inc.          
Related Party Transaction [Line Items]          
Number of aircrafts | aircraft 2