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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 42,094 $ 22,791
Accounts receivable 39,945 40,203
Allowance for doubtful accounts (392) (261)
Accounts receivable, net 39,553 39,942
Inventories:    
Finished goods 17,637 21,738
Raw materials 1,565 1,573
Total inventories 19,202 23,311
Supplies, prepaid items and other:    
Prepaid insurance 1,478 11,837
Precious metals 7,179 5,568
Supplies 25,174 24,689
Other 3,349 2,735
Total supplies, prepaid items and other 37,180 44,829
Total current assets 138,029 130,873
Property, plant and equipment, net 899,613 936,474
Other assets:    
Operating lease assets 25,356 15,330
Intangible and other assets, net 6,927 5,812
Total other assets 32,283 21,142
Total assets 1,069,925 1,088,489
Current liabilities:    
Accounts payable 41,192 58,477
Short-term financing 751 9,929
Accrued and other liabilities 40,957 25,484
Current portion of long-term debt 15,203 9,410
Total current liabilities 98,103 103,300
Long-term debt, net 470,751 449,634
Noncurrent operating lease liabilities 19,249 11,404
Other noncurrent accrued and other liabilities 5,596 6,214
Deferred income taxes 32,663 35,717
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 198,013 196,833
Retained earnings (accumulated deficit) (9,989) 57,632
Stockholders equity including treasury stock 194,152 260,593
Less treasury stock, at cost:    
Common stock, 1,966,042 shares (2,009,566 shares at December 31, 2019) 12,884 13,266
Total stockholders' equity 181,268 247,327
Total Liabilities and Stockholders' equity 1,069,925 1,088,489
Series E Preferred Stock [Member]    
Redeemable preferred stocks:    
Redeemable preferred stock, value 262,295 234,893
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