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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Schedule of Property Plant and Equipment The estimated useful lives of the principal asset classes are shown below.
Aircraft, engines and related rotable parts 10-25 Years
Buildings and leasehold improvements10-39 Years
Equipment3-10 Years
Computer hardware and software3-15 Years
Property and equipment consisted of the following:
As of December 31,
 (in thousands)20232022
Airline
Flight equipment$3,346,216 $2,937,767 
Computer hardware and software274,927 209,808 
Land and buildings/leasehold improvements63,863 62,227 
Other property and equipment109,727 95,156 
Sunseeker Resort
Land and buildings/leasehold improvements559,112 — 
Other property and equipment53,743 — 
Construction in progress4,389 320,572 
Total property and equipment4,411,977 3,625,530 
Less accumulated depreciation and amortization(964,866)(814,837)
Property and equipment, net$3,447,111 $2,810,693