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Segment and Geographic Information - Schedule of Revenue by Geographic Area (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Revenue recognized $ 180,828 $ 137,601 $ 102,170
Europe [Member]      
Segment Reporting Information [Line Items]      
Revenue recognized 159,123 119,559 76,478
Japan [Member] | Related Party [Member]      
Segment Reporting Information [Line Items]      
Revenue recognized 21,596 17,987 25,661
All other [Member]      
Segment Reporting Information [Line Items]      
Revenue recognized $ 109 $ 55 $ 31