Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2019

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, 2019			December 31, 2018
Flight equipment	$	2,465,193		$	2,340,840
Ground equipment	59,291			57,455
Leasehold improvements, facilities and office equipment	32,207			28,745
Aircraft modifications and projects in progress	244,614			74,449
	2,801,305			2,501,489
Accumulated depreciation	(1,093,973		)	(946,484		)
Property and equipment, net	$	1,707,332		$	1,555,005