PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

A summary of property, plant and equipment as of December 31, 2021 and 2020 is as follows (in thousands):

	December 31,
	2021		2020
Land	$	5,743	$	5,805
Buildings and leasehold improvements	58,972		57,632
Machinery and equipment	306,366		302,886
Furniture and fixtures	11,642		11,450
Capitalized ERP system development costs	45,917		45,917
Computers and computer software	22,243		20,508
Automobiles	4,356		4,518
Construction in progress	16,565		8,329
Total	471,804		457,045
Accumulated depreciation and amortization	(310,445)		(286,736)
Property, plant, and equipment, net	$	161,359	$	170,309

Included in the table above are assets under finance leases of $6.7 million and $5.7 million and accumulated amortization of $1.6 million and $0.9 million as of December 31, 2021 and 2020, respectively. Depreciation expense for the years ended December 31, 2021, 2020 and 2019 was $27.6 million, $31.5 million and $34.4 million, respectively.