Segments and Geographical Information - Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total long-lived assets	$ 447,933	$ 348,793
The Netherlands
Segment Reporting Information [Line Items]
Total long-lived assets	190,130	143,673
United States
Segment Reporting Information [Line Items]
Total long-lived assets	129,837	128,171
Costa Rica
Segment Reporting Information [Line Items]
Total long-lived assets	61,609	30,738
Mexico
Segment Reporting Information [Line Items]
Total long-lived assets	31,289	25,090
China
Segment Reporting Information [Line Items]
Total long-lived assets	16,393	5,480
Other International
Segment Reporting Information [Line Items]
Total long-lived assets	$ 18,675	$ 15,641