Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consist of the following:

	December 31,
(in thousands)	2021		2020		Useful Lives
Land	$	12,838	$	14,908
Buildings and improvements	145,086		149,048		5-20 yrs.
Machinery and equipment	129,901		116,825		3-10 yrs.
Office furniture and equipment	13,291		11,743		3-7 yrs.
Computer software	12,384		12,276		3-7 yrs.
Transportation equipment	8,363		7,562		3 yrs.
Property, plant and equipment, at cost	321,863		312,362
Accumulated depreciation	(169,372)		(156,928)
Property, plant and equipment, net	$	152,491	$	155,434