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Property and Equipment (Notes)
 12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure Property and Equipment
 
Property and equipment consisted of the following:
As of December 31,
 (in thousands)20202019
Flight equipment$2,331,499 $2,289,157 
Computer hardware and software149,727 171,516 
Land and buildings/leasehold improvements (1)
87,030 98,885 
Other property and equipment80,601 161,760 
Total property and equipment2,648,857 2,721,318 
Less accumulated depreciation and amortization(598,546)(484,510)
Property and equipment, net$2,050,311 $2,236,808 
(1) Balance includes a building currently held for sale in Chesterfield, Missouri with a carrying value of $4.8 million

As of December 31, 2020, the Company had firm commitments to purchase three Airbus A320 series aircraft which are expected to be delivered between 2021 and 2022.
Accrued capital expenditures as of December 31, 2020 and 2019 were $16.9 million and $16.5 million, respectively.