Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property And Equipment [Abstract]

Schedule Of Components Of Property And Equipment

The components of property and equipment are as follows (in thousands):

	December 31,
	2019		2018
Plant equipment	$	911,097	$	884,738
Buildings and improvements		168,309		167,842
Land and improvements		92,321		92,154
Railroad track and equipment		34,404		34,163
Construction-in-progress		60,262		8,491
Computer hardware and software		19,368		18,444
Office furniture and equipment		3,716		3,639
Leasehold improvements and other		24,471		24,416
Total property and equipment		1,313,948		1,233,887
Less: accumulated depreciation and amortization		(486,677)		(418,652)
Property and equipment, net	$	827,271	$	815,235