Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2020

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	As of
	June 30,			December 31,
	2020			2019
Land and land improvements	$	1,095		$	1,095
Buildings and improvements	68,424			68,350
Machinery and equipment	226,465			224,312
Less: Accumulated depreciation	(196,635		)	(188,719		)
Property, plant and equipment, net	$	99,349		$	105,038
Depreciation expense for the six months ended June 30, 2020				$	8,580
Depreciation expense for the six months ended June 30, 2019				$	8,537