Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment, Net [Abstract]

Schedule Of Property, Plant And Equipment

Property, plant and equipment consist of the following:

	December 31,
	2020		2019
Building and improvements	$	17,994	$	17,426
Plant and equipment	1,856,745		1,825,332
Other	106,078		97,402
	1,980,817		1,940,160
Less: Accumulated depreciation	(971,476)		(882,768)
	1,009,341		1,057,392
Construction in progress	41,336		45,603
Property, plant and equipment, net	$	1,050,677	$	1,102,995