Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Components of Property and Equipment

Property and equipment consist of the following:

	As of December 31,
	2016			2015
	(in thousands)
Aircraft	$	19,160		$	19,063
Equipment	19,788			20,044
Furniture and fixtures	7,201			7,248
Leasehold improvements	21,612			21,945
	67,761			68,300
Less accumulated depreciation and amortization	(58,997		)	(58,517		)
Total property and equipment, net	$	8,764		$	9,783