Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2021

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	March 31, 2021			December 31, 2020
Land and land improvements	$	10,375		$	10,473
Buildings		63,547			63,765
Machinery and equipment		340,650			339,203
Construction-in-process		4,005			4,896
Other		6,870			6,870
		425,447			425,207
Accumulated depreciation and amortization		(267,546	)		(263,109	)
Property, plant and equipment, net	$	157,901		$	162,098