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v3.21.2

CONDENSED BALANCE SHEETS - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 268,395 | $ 211,916
Short-term investments | 8,505 | 8,504
Trade accounts receivable | 73,270 | 83,298
Inventories, net | 94,026 | 118,713
Prepaid expenses and other receivables | 35,034 | 45,052
Total current assets | 479,230 | 467,483
Mineral interests, net | 94,894 | 100,855
Property, plant and equipment, net | 606,750 | 637,108
Deferred income taxes | 151,934 | 174,372
Other long-term assets | 11,799 | 14,118
Total assets | 1,344,607 | 1,393,936
Current liabilities: |  |
Accounts payable | 39,138 | 59,110
Accrued expenses | 58,114 | 86,108
Short term financing lease liabilities | 22,421 | 14,385
Other current liabilities | 14,721 | 10,715
Total current liabilities | 134,394 | 170,318
Long-term debt | 340,491 | 379,908
Asset retirement obligations | 62,340 | 57,553
Long term financing lease liabilities | 34,805 | 24,091
Other long-term liabilities | 37,214 | 36,825
Total liabilities | 609,244 | 668,695
Stockholders’ Equity: |  |
Common stock, $0.01 par value per share (Authorized -140,000,000 shares as of September 30, 2021 and December 31, 2020, 53,632,812 issued and 51,410,971 outstanding as of September 30, 2021 and 53,408,040 issued and 51,186,199 outstanding as of December 31, 2020) | 536 | 534
Preferred stock, $0.01 par value per share (10,000,000 shares authorized, no shares issued and outstanding) | 0 | 0
Treasury stock, at cost (2,221,841 shares as of September 30, 2021 and December 31, 2020) | (50,576) | (50,576)
Additional paid in capital | 255,317 | 249,746
Retained earnings | 530,086 | 525,537
Total stockholders’ equity | 735,363 | 725,241
Total liabilities and stockholders’ equity | $ 1,344,607 | $ 1,393,936

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