Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	As of
	September 30,			December 31,
	2019			2018
Land	$	1,131		$	1,136
Buildings and improvements	73,715			70,522
Machinery and equipment	232,955			231,619
Less: Accumulated depreciation	(205,165		)	(203,876		)
Property, plant and equipment, net	$	102,636		$	99,401
Depreciation expense for the nine months ended September 30, 2019				$	12,657
Depreciation expense for the nine months ended September 30, 2018				$	11,227