Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

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

	June 30, 2016			December 31, 2015
Flight equipment	$	1,415,283		$	1,372,099
Ground equipment	37,923			36,593
Leasehold improvements, facilities and office equipment	26,347			25,327
Aircraft modifications and projects in progress	122,615			52,717
	1,602,168			1,486,736
Accumulated depreciation	(667,949		)	(611,335		)
Property and equipment, net	$	934,219		$	875,401