Properties and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property and equipment, net

Property and equipment, net was comprised of the following for the indicated periods:

	December 31,
	2016			2015
Computer equipment	$	49,755		$	49,488
Equipment and furniture	21,451			20,485
Software	24,827			25,129
Leasehold improvements	11,015			8,567
Total property and equipment	107,048			103,669
Accumulated depreciation	(88,859		)	(84,941		)
Property and equipment, net	$	18,189		$	18,728