Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash	$ 12,160	$ 22,484
Restricted cash	1,440	0
Receivables, net	168,093	145,519
Taxes receivable	6,981	6,301
Inventories	285,909	266,244
Other Assets, Current	12,237	3,399
Total current assets	486,820	443,947
Property, plant and equipment, net	1,292,002	1,269,271
Operating Lease, Right-of-Use Asset	77,479	0
Goodwill	35,074	35,074
Intangible assets, net	22,295	24,080
Other assets, net	14,608	15,746
TOTAL ASSETS	1,928,278	1,788,118
Current liabilities:
Line of Credit, Current	202,000
Accounts payable and accrued liabilities	295,574	321,032
Current liability for pensions and other postretirement employee benefits	7,430	7,430
Total current liabilities	515,220	449,295
Long-term debt	671,484	671,292
Operating Lease, Liability, Noncurrent	72,647	0
Liability for pensions and other postretirement employee benefits	76,507	78,191
Other long-term obligations	33,859	38,977
Accrued taxes	3,111	2,785
Liabilities	1,496,034	1,361,722
Stockholders' equity:
Preferred stock, par value $0.0001 per share, 5,000,000 authorized shares, no shares issued	0	0
Common stock, par value $0.0001 per share, 100,000,000 authorized shares -16,515,156 and 16,482,345 shares issued	2	2
Additional paid-in capital	7,175	6,403
Retained earnings	491,176	487,339
Accumulated other comprehensive loss, net of tax	(66,109)	(67,348)
Total stockholders' equity	432,244	426,396
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,928,278	$ 1,788,118