Property, Plant and Equipment

3 Months Ended

Mar. 31, 2019

Property Plant And Equipment [Abstract]

Property, Plant and Equipment

4. Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	March 31, 2019			December 31, 2018
Land and land improvements	$	9,934		$	10,207
Buildings		62,113			65,425
Machinery and equipment		321,146			332,378
Construction-in-process		4,289			3,499
Other		6,811			6,813
		404,293			418,322
Accumulated depreciation and amortization		(230,801	)		(232,661	)
Property, plant and equipment, net	$	173,492		$	185,661

The majority of the assets of the Corporation, except real property, is pledged as collateral for the Corporation’s Revolving Credit and Security Agreement (Note 7). Land and buildings of Union Electric Steel UK Limited (“UES-UK”), equal to approximately $2,733 (£2,098) at March 31, 2019, are held as collateral by the trustees of the UES-UK defined benefit pension plan (Note 8). The gross value of finance lease ROU assets and the related accumulated amortization as of March 31, 2019, approximated $3,687 and $967, respectively, and at December 31, 2018, approximated $3,716 and $1,340, respectively.