Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consist of the following:

	December 31,
(in thousands)	2020		2019		Useful Lives
Land	$	14,908	$	13,876
Buildings and improvements	149,048		135,474		5-20 yrs.
Machinery and equipment	116,825		121,870		3-10 yrs.
Office furniture and equipment	11,743		10,749		3-7 yrs.
Computer software	12,276		12,665		3-7 yrs.
Transportation equipment	7,562		7,479		3 yrs.
Property, plant and equipment, at cost	312,362		302,113
Accumulated depreciation	(156,928)		(141,388)
Property, plant and equipment, net	$	155,434	$	160,725