Property, Plant & Equipment, Net - Schedule of Property, Plant & Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant & Equipment [Line Items]
Property, plant and equipment, gross	$ 208,152
Property, plant and equipment, gross		$ 190,627
Less: accumulated depreciation and amortization	(91,655)
Less: accumulated depreciation and amortization		(82,739)
Total property, plant and equipment, net	116,497
Total property, plant and equipment, net		107,888
Land
Property, Plant & Equipment [Line Items]
Property, plant and equipment, gross	13,450
Property, plant and equipment, gross		13,450
Buildings
Property, Plant & Equipment [Line Items]
Property, plant and equipment, gross	75,654
Property, plant and equipment, gross		64,444
Machinery, equipment and fixtures
Property, Plant & Equipment [Line Items]
Property, plant and equipment, gross	87,763
Property, plant and equipment, gross		69,298
Computer software
Property, Plant & Equipment [Line Items]
Property, plant and equipment, gross	20,739
Property, plant and equipment, gross		19,266
Construction in progress
Property, Plant & Equipment [Line Items]
Property, plant and equipment, gross	$ 10,546
Property, plant and equipment, gross		$ 24,169