Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property And Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property and equipment, stated at cost, at December 31, 2015 and 2014 consisted of the following (in thousands):

	2015			2014
Computers and related equipment	$	135,360		$	100,537
Furniture and equipment	1,710			1,763
Leasehold improvements	10,603			9,098
	147,673			111,398
Less: Accumulated depreciation and amortization	(90,231		)	(73,181		)
Total property and equipment, net	$	57,442		$	38,217