Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment (in thousands) consisted of the following, as of:

	December 31,
	2016			2015
Transportation equipment	$	48,835		$	48,879
Computer equipment and purchased software		60,692			64,615
Furniture and equipment		10,871			11,649
Leasehold improvements		27,737			28,211
Internally developed software		9,655			9,560
Property and equipment, gross		157,790			162,914
Less: accumulated depreciation and amortization		(100,354	)		(97,250	)
Property and equipment, net	$	57,436		$	65,664