Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Revenue by Geographic Area

Revenue by geographic area is based on the locations of our partners. The following table sets forth revenue by geographic area (in thousands):

	Year Ended December 31,
	2016		2015		2014
United States	$	39,147	$	40,400	$	32,514
Europe		126,289		190,384		168,193
Total revenue	$	165,436	$	230,784	$	200,707