Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

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

	September 30, 2022		December 31, 2021
Flight equipment	$	3,440,294	$	3,301,113
Ground equipment	$	68,762	64,641
Leasehold improvements, facilities and office equipment	$	39,714	38,769
Aircraft modifications and projects in progress	$	383,590	206,917
	$	3,932,360	3,611,440
Accumulated depreciation	$	(1,593,082)	(1,481,506)
Property and equipment, net	$	2,339,278	$	2,129,934