Property, Plant and Equipment

9 Months Ended

Sep. 30, 2021

Property Plant And Equipment [Abstract]

Property, Plant and Equipment

3. Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	September 30, 2021			December 31, 2020
Land and land improvements	$	10,252		$	10,473
Buildings		63,249			63,765
Machinery and equipment		343,416			339,203
Construction-in-process		10,057			4,896
Other		6,787			6,870
		433,761			425,207
Accumulated depreciation and amortization		(273,969	)		(263,109	)
Property, plant and equipment, net	$	159,792		$	162,098

The majority of the assets of the Corporation, except real property including the land and building of Union Electric Steel UK Limited, an indirect subsidiary of the Corporation (“UES-UK”), is pledged as collateral for the Corporation’s revolving credit facility (Note 6). Land and buildings of UES-UK, equal to $2,856 (£2,122) at September 30, 2021, are held as collateral by the trustees of the UES-UK defined benefit pension plan (Note 7). The gross value of finance lease right-of-use assets and the related accumulated amortization equaled $3,906 and $1,164, respectively, as of September 30, 2021, and $3,430 and $1,222, respectively, at December 31, 2020. Amortization on assets under finance leases equaled $124 and $107 for the three months ended September 30, 2021, and 2020, and $342 and $245 for the nine months ended September 30, 2021, and 2020, respectively.