Property, Plant and Equipment

6 Months Ended

Jun. 30, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant, and Equipment

Property, plant, and equipment as of June 30, 2021 and December 31, 2020 consisted of the following:

	June 30, 2021		December 31, 2020
Land	$	6,636	$	6,627
Improvements to land and leaseholds	17,771		17,573
Buildings	27,598		27,348
Machinery and equipment, including equipment under finance leases	118,060		116,175
Construction in progress	1,325		915
Gross property, plant, and equipment	171,390		168,638
Less accumulated depreciation and amortization, including accumulated amortization of finance leases	(110,864)		(106,553)
Property, plant, and equipment - net	$	60,526	$	62,085

Depreciation expense was $2,018 and $1,963 for the three months ended June 30, 2021 and 2020, respectively, and $4,008 and $3,898 for the six months ended June 30, 2021 and 2020, respectively. The Company reviews its property, plant, and equipment for recoverability whenever events or changes in circumstances indicate that carrying amounts may not be recoverable. The Company recognizes an impairment loss if it believes that the carrying amount of a long-lived asset is not recoverable and exceeds its fair value. There were no impairments of property, plant, and equipment during the six months ended June 30, 2021 and 2020.