Segments - Reconciliation Property Plant and Equipment, US and Foreign Jurisdictions (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 122,831	$ 131,798
U.S.
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	100,716	113,307
Foreign
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 22,115	$ 18,491