Property, Plant, and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Components of Property, Plant, and Equipment

The table below sets forth the depreciation expense recognized during the years ended December 31 (in thousands):

	2019		2018		2017
Depreciation expense	$	12,678	$	12,152	$	12,929

Components of property, plant, and equipment at December 31 consisted of the following (in thousands):

	2019			2018
Land and land improvements	$	6,108		$	6,061
Building and improvements	49,804			46,678
Machinery and equipment	213,550			204,326
Construction in progress	5,977			7,690
Property, plant, and equipment, gross	275,439			264,755
Less: accumulated depreciation	(180,030		)	(168,925		)
Property, plant, and equipment, net	$	95,409		$	95,830