Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Long-lived assets	[1]	$ 161,685	$ 136,473
United States
Segment Reporting Information [Line Items]
Long-lived assets	[1]	133,350	112,632
MEXICO
Segment Reporting Information [Line Items]
Long-lived assets		16,632	15,422
Other international
Segment Reporting Information [Line Items]
Long-lived assets	[1]	$ 11,703	$ 8,419

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