Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

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

	September 30,		December 31,
	2021		2020
Flight equipment	$	3,196,849	$	2,856,142
Ground equipment	63,074		65,857
Leasehold improvements, facilities and office equipment	38,749		36,193
Aircraft modifications and projects in progress	271,098		231,451
	3,569,770		3,189,643
Accumulated depreciation	(1,433,557)		(1,249,867)
Property and equipment, net	$	2,136,213	$	1,939,776