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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 17,625 $ 16,264
Accounts receivable 67,431 42,929
Allowance for doubtful accounts (377) (378)
Accounts receivable, net 67,054 42,551
Inventories:    
Finished goods 12,781 17,778
Raw materials 1,521 1,795
Total inventories 14,302 19,573
Supplies, prepaid items and other:    
Prepaid insurance 5,682 12,315
Precious metals 7,801 6,787
Supplies 25,878 25,288
Other 4,757 6,802
Total supplies, prepaid items and other 44,118 51,192
Total current assets 143,099 129,580
Property, plant and equipment, net 871,780 891,198
Other assets:    
Operating lease assets 27,854 26,403
Intangible and other assets, net 6,752 6,121
Total other assets 34,606 32,524
Total assets 1,049,485 1,053,302
Current liabilities:    
Accounts payable 51,212 46,551
Short-term financing 4,516 13,576
Accrued and other liabilities 30,541 30,367
Current portion of long-term debt 9,049 16,801
Total current liabilities 95,318 107,295
Long-term debt, net 461,459 467,389
Noncurrent operating lease liabilities 20,277 19,845
Other noncurrent accrued and other liabilities 7,372 6,090
Deferred income taxes 31,195 30,939
Commitments and contingencies (Note 5)
Stockholders' equity:    
Common stock, $.10 par value; 75,000,000 shares authorized, 31,283,210 shares issued 3,128 3,128
Capital in excess of par value 192,980 198,215
Accumulated deficit (51,844) (41,487)
Stockholders equity including treasury stock 147,264 162,856
Less treasury stock, at cost:    
Common stock, 982,639 shares (2,074,565 shares at December 31, 2020) 6,249 13,213
Total stockholders' equity 141,015 149,643
Total Liabilities and Stockholders' equity 1,049,485 1,053,302
Series E Preferred Stock [Member]    
Redeemable preferred stocks:    
Redeemable preferred stock, value 292,849 272,101
Series B Preferred Stock [Member]    
Stockholders' equity:    
Preferred stock, value 2,000 2,000
Series D Preferred Stock [Member]    
Stockholders' equity:    
Preferred stock, value $ 1,000 $ 1,000