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Basis of Presentation and Significant Accounting Policies - Property and Equipment (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property and Equipment      
Capitalized interest $ 200,000 $ 200,000 $ 500,000
Impairments of long-lived assets      
Impairment of intangible assets 0 0 0
Impairment of goodwill $ 0 $ 619,411,000 $ 0
Minimum      
Property and Equipment      
Useful life of identifiable intangible asset 15 years    
Maximum      
Property and Equipment      
Useful life of identifiable intangible asset 25 years    
Overhauls and Major Improvements | Minimum      
Property and Equipment      
Property and equipment useful Life 3 years    
Overhauls and Major Improvements | Maximum      
Property and Equipment      
Property and equipment useful Life 5 years