Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 310,409
Property, plant and equipment, net		$ 316,293
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	11,869
Property, plant and equipment		11,338
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	130,895
Property, plant and equipment		131,128
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	295,622
Property, plant and equipment		291,081
Computer hardware and software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	40,880
Property, plant and equipment		35,730
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	5,921
Property, plant and equipment		5,725
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	13,091
Property, plant and equipment		12,960
Property, plant and equipment excluding composite mats [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	498,278
Property, plant and equipment		487,962
Less accumulated depreciation	(259,205)
Less accumulated depreciation		(239,643)
Property, plant and equipment, net	239,073
Property, plant and equipment, net		248,319
Composite mats [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	125,300	120,644
Less accumulated depreciation	(53,964)	(52,670)
Property, plant and equipment, net	$ 71,336	$ 67,974