Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2022

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	March 31, 2022			December 31, 2021
Land and land improvements	$	10,271		$	10,377
Buildings		63,090			63,166
Machinery and equipment		347,068			345,118
Construction-in-process		11,414			11,019
Other		6,798			6,798
		438,641			436,478
Accumulated depreciation and amortization		(282,156	)		(277,915	)
Property, plant and equipment, net	$	156,485		$	158,563