Property and Equipment, Net - Property and Equipment Table (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 357,260	$ 337,950
Less: Accumulated depreciation	176,130	160,480
Property and equipment, net	181,130	177,470
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,820	14,710
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	67,790	60,570
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 274,650	$ 262,670