XML 41 R30.htm IDEA: XBRL DOCUMENT v3.23.2
Revenue Recognition - Narrative (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2020
Mar. 31, 2023
Jun. 30, 2023
Dec. 31, 2022
Revenue Recognition [Abstract]        
Contract with Customer, Liability, Current     $ 411,131 $ 379,459
Contract with Customer, Liability, Forward Bookings     35740000000.00%  
Contract with Customer, Liability, Credit Voucher Bookings     5370000000.00%  
Revenue, Performance Obligation, Description of Timing     12 months  
Air Traffic Liability, Recognized   $ 379,500    
Contract with Customer, Liability, Passenger Revenue     85.30%  
Credit Voucher Term Expiration 2 years