Segments and Geographical Information - Long-Lived Assets by Geographic Area (Detail) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Long-Lived Assets	[1]	$ 348,793	$ 175,167
United States
Segment Reporting Information [Line Items]
Long-Lived Assets		128,171	43,278
Costa Rica
Segment Reporting Information [Line Items]
Long-Lived Assets	[2]	30,738	2,657
Mexico
Segment Reporting Information [Line Items]
Long-Lived Assets	[1]	25,090	17,918
China
Segment Reporting Information [Line Items]
Long-Lived Assets	[1]	5,480	461
the Netherlands
Segment Reporting Information [Line Items]
Long-Lived Assets	[1]	143,673	104,039
Other international
Segment Reporting Information [Line Items]
Long-Lived Assets	[1]	$ 15,641	$ 6,814

[1] Effective July 2016, we implemented a new international corporate structure. This changed the structure of our international procurement and sales operations.

[2] Long-lived assets are attributed to countries based on entity that owns the assets.