Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment at December 31, 2017 and 2016 consisted of the following (in thousands):

	2017			2016
Computer hardware and software	$	115,444		$	96,138
Furniture, fixtures and equipment	17,556			14,956
Leasehold improvements	16,628			12,670
Work-in-progress	4,565			5,522
	154,193			129,286
Less -- accumulated depreciation	(96,197		)	(72,344		)
	$	57,996		$	56,942