PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

A summary of property, plant and equipment as of December 31, 2022 and 2021 is as follows (in thousands):


	December 31,
	2022		2021
Land	$	4,006	$	5,227
Buildings and leasehold improvements	50,833		54,597
Machinery and equipment	277,852		278,828
Furniture and fixtures	10,558		10,704
Capitalized ERP system development costs	45,917		45,916
Computers and computer software	19,457		17,993
Automobiles	3,536		3,540
Construction in progress	19,196		11,347
Total	431,355		428,152
Accumulated depreciation and amortization	(293,256)		(282,672)
Property, plant, and equipment, net	$	138,099	$	145,480

Included in the table above are assets under finance leases of $7.4 million and $6.7 million and accumulated amortization of $2.3 million and $1.6 million as of December 31, 2022 and 2021, respectively. Depreciation expense for the years ended December 31, 2022 and 2021 was $22.9 million, and $25.4 million respectively.

Assets sold and disposed of for the twelve months ended December 31, 2022 and the twelve months ended December 31, 2021 had a carrying value of $2.5 million and $0.8 million, respectively, resulting in a gain on sale of $4.2 million and $0 million, respectively. The assets sold for the twelve months ended December 31, 2022 primarily consisted of $1.3 million in land, $0.9 million in building and $0.3 million in machinery and equipment. The assets sold for the twelve months ended December 31, 2021 consisted of $0.8 million in machinery and equipment.