Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Depreciable lives are summarized as follows:

Boeing 777, 767 and 757 aircraft and flight equipment	7 to 18 years
Ground equipment	2 to 10 years
Leasehold improvements, facilities and office equipment	3 to 25 years

Property and equipment, to be held and used, is summarized as follows (in thousands):

	December 31, 2022		December 31, 2021
Flight equipment	$	3,506,134	$	3,301,113
Ground equipment	70,092		64,641
Leasehold improvements, facilities and office equipment	40,183		38,769
Aircraft modifications and projects in progress	445,633		206,917
	4,062,042		3,611,440
Accumulated depreciation	(1,659,634)		(1,481,506)
Property and equipment, net	$	2,402,408	$	2,129,934