Property, Equipment and Software, net (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Summary of Property, Equipment and Software, net

Property, equipment and software, net, consisted of the following as of December 31 (in thousands):

	Estimated Useful Life	2017			2016
Computer/office equipment	36 months	$	15,419		$	15,671
Capitalized internal-use software	36 months	24,784			21,789
Leasehold improvements	Life of lease	18,336			18,025
Total property, equipment and software, at cost		58,539			55,485
Less accumulated depreciation and amortization		(34,967		)	(26,080		)
Property, equipment and software, net		$	23,572		$	29,405