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Summary of Significant Accounting Policies - Schedule of Deferred Maintenance (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Accounting Policies [Abstract]        
Beginning Balance     $ 180,675  
Deferred maintenance costs     14,236  
Special charge     (1,628)  
Amortization of deferred maintenance $ (12,200) $ (12,300) (23,325) $ (24,300)
Ending Balance $ 169,958   $ 169,958