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Note 16 - Guarantor Subsidiaries - Unaudited Interim Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
Cash and cash equivalents | $ 169,777 | $ 155,209 | $ 209,665 | $ 212,175
Other current assets | 12,125 | 9,453 |  |
Long-lived assets | 2,032,685 | 1,896,811 |  |
Intercompany receivable (payable) |  |  |  |
Investments in subsidiaries |  |  |  |
Other non-current assets | 4,884 | 2,783 |  |
Total assets | 2,371,677 | 2,221,925 | 2,262,064 |
Current liabilities | 127,480 | 127,084 |  |
Long-term debt | 500,979 | 500,199 |  |
Non-current portion of accrued reclamation | 79,927 | 74,549 |  |
Non-current deferred tax liability | 121,600 | 119,623 |  |
Other non-current liabilities | 11,518 | 52,703 |  |
Stockholders' equity | 1,479,844 | 1,338,926 | 1,396,974 | 1,326,419
Total liabilities and stockholders' equity | 2,371,677 | 2,221,925 |  |
Assets |  |  |  |
Cash and cash equivalents | 169,777 | 155,209 | 209,665 | 212,175
Other current assets | 12,125 | 9,453 |  |
Long-lived assets | 2,032,685 | 1,896,811 |  |
Intercompany receivable (payable) |  |  |  |
Investments in subsidiaries |  |  |  |
Other non-current assets | 4,884 | 2,783 |  |
Total assets | 2,371,677 | 2,221,925 | 2,262,064 |
Liabilities and Stockholders' Equity |  |  |  |
Current liabilities | 127,480 | 127,084 |  |
Long-term debt | 500,979 | 500,199 |  |
Non-current portion of accrued reclamation | 79,927 | 74,549 |  |
Non-current deferred tax liability | 121,600 | 119,623 |  |
Other non-current liabilities | 11,518 | 52,703 |  |
Stockholders' equity | 1,479,844 | 1,338,926 | 1,396,974 | 1,326,419
Total liabilities and stockholders' equity | 2,371,677 | 2,221,925 |  |
Consolidation, Eliminations [Member] |  |  |  |
Cash and cash equivalents |  |  |  |
Other current assets | (1,236) | 7,626 |  |
Long-lived assets |  |  |  |
Intercompany receivable (payable) | 124,769 | 93,179 |  |
Investments in subsidiaries | (1,496,787) | (1,252,191) |  |
Other non-current assets | (160,916) | (113,480) |  |
Total assets | (1,533,970) | (1,264,866) |  |
Current liabilities | (22,999) | (9,198) |  |
Long-term debt |  |  |  |
Non-current portion of accrued reclamation |  |  |  |
Non-current deferred tax liability | (14,212) | (3,477) |  |
Other non-current liabilities | 28 |  |  |
Stockholders' equity | (1,496,787) | (1,252,191) |  |
Total liabilities and stockholders' equity | (1,533,970) | (1,264,866) |  |
Assets |  |  |  |
Cash and cash equivalents |  |  |  |
Other current assets | (1,236) | 7,626 |  |
Long-lived assets |  |  |  |
Intercompany receivable (payable) | 124,769 | 93,179 |  |
Investments in subsidiaries | (1,496,787) | (1,252,191) |  |
Other non-current assets | (160,916) | (113,480) |  |
Total assets | (1,533,970) | (1,264,866) |  |
Liabilities and Stockholders' Equity |  |  |  |
Current liabilities | (22,999) | (9,198) |  |
Long-term debt |  |  |  |
Non-current portion of accrued reclamation |  |  |  |
Non-current deferred tax liability | (14,212) | (3,477) |  |
Other non-current liabilities | 28 |  |  |
Stockholders' equity | (1,496,787) | (1,252,191) |  |
Total liabilities and stockholders' equity | (1,533,970) | (1,264,866) |  |
Parent Company [Member] | Reportable Legal Entities [Member] |  |  |  |
Cash and cash equivalents | 113,275 | 94,167 | 146,885 | 126,271
Other current assets | 33,950 | 15,972 |  |
Long-lived assets | 2,103 | 2,281 |  |
Intercompany receivable (payable) | 404,121 | 540,665 |  |
Investments in subsidiaries | 1,496,787 | 1,252,191 |  |
Other non-current assets | 4,186 | 2,200 |  |
Total assets | 2,054,422 | 1,907,476 |  |
Current liabilities | 22,401 | 21,087 |  |
Long-term debt | 500,979 | 499,729 |  |
Non-current portion of accrued reclamation |  |  |  |
Non-current deferred tax liability |  |  |  |
Other non-current liabilities | 51,198 | 47,734 |  |
Stockholders' equity | 1,479,844 | 1,338,926 |  |
Total liabilities and stockholders' equity | 2,054,422 | 1,907,476 |  |
Assets |  |  |  |
Cash and cash equivalents | 113,275 | 94,167 | 146,885 | 126,271
Other current assets | 33,950 | 15,972 |  |
Long-lived assets | 2,103 | 2,281 |  |
Intercompany receivable (payable) | 404,121 | 540,665 |  |
Investments in subsidiaries | 1,496,787 | 1,252,191 |  |
Other non-current assets | 4,186 | 2,200 |  |
Total assets | 2,054,422 | 1,907,476 |  |
Liabilities and Stockholders' Equity |  |  |  |
Current liabilities | 22,401 | 21,087 |  |
Long-term debt | 500,979 | 499,729 |  |
Non-current portion of accrued reclamation |  |  |  |
Non-current deferred tax liability |  |  |  |
Other non-current liabilities | 51,198 | 47,734 |  |
Stockholders' equity | 1,479,844 | 1,338,926 |  |
Total liabilities and stockholders' equity | 2,054,422 | 1,907,476 |  |
Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |  |  |
Cash and cash equivalents | 24,388 | 42,692 | 33,824 | 40,009
Other current assets | 65,369 | 58,453 |  |
Long-lived assets | 1,258,890 | 1,147,770 |  |
Intercompany receivable (payable) | (222,072) | (301,291) |  |
Investments in subsidiaries |  |  |  |
Other non-current assets | 186,988 | 165,080 |  |
Total assets | 1,313,563 | 1,112,704 |  |
Current liabilities | 86,730 | 84,559 |  |
Long-term debt | 3,065 | 6,128 |  |
Non-current portion of accrued reclamation | 63,025 | 45,494 |  |
Non-current deferred tax liability | 14,212 | 3,264 |  |
Other non-current liabilities | 5,108 | 5,834 |  |
Stockholders' equity | 1,141,423 | 967,425 |  |
Total liabilities and stockholders' equity | 1,313,563 | 1,112,704 |  |
Assets |  |  |  |
Cash and cash equivalents | 24,388 | 42,692 | 33,824 | 40,009
Other current assets | 65,369 | 58,453 |  |
Long-lived assets | 1,258,890 | 1,147,770 |  |
Intercompany receivable (payable) | (222,072) | (301,291) |  |
Investments in subsidiaries |  |  |  |
Other non-current assets | 186,988 | 165,080 |  |
Total assets | 1,313,563 | 1,112,704 |  |
Liabilities and Stockholders' Equity |  |  |  |
Current liabilities | 86,730 | 84,559 |  |
Long-term debt | 3,065 | 6,128 |  |
Non-current portion of accrued reclamation | 63,025 | 45,494 |  |
Non-current deferred tax liability | 14,212 | 3,264 |  |
Other non-current liabilities | 5,108 | 5,834 |  |
Stockholders' equity | 1,141,423 | 967,425 |  |
Total liabilities and stockholders' equity | 1,313,563 | 1,112,704 |  |
Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |  |  |
Cash and cash equivalents | 32,114 | 18,350 | 28,956 | 45,895
Other current assets | 35,524 | 32,273 |  |
Long-lived assets | 771,692 | 746,760 |  |
Intercompany receivable (payable) | (307,018) | (332,553) |  |
Investments in subsidiaries |  |  |  |
Other non-current assets | 5,350 | 1,781 |  |
Total assets | 537,662 | 466,611 |  |
Current liabilities | 41,348 | 30,636 |  |
Long-term debt | 2,773 | 3,183 |  |
Non-current portion of accrued reclamation | 16,902 | 29,055 |  |
Non-current deferred tax liability | 121,600 | 119,836 |  |
Other non-current liabilities | (325) | (865) |  |
Stockholders' equity | 355,364 | 284,766 |  |
Total liabilities and stockholders' equity | 537,662 | 466,611 |  |
Assets |  |  |  |
Cash and cash equivalents | 32,114 | 18,350 | $ 28,956 | $ 45,895
Other current assets | 35,524 | 32,273 |  |
Long-lived assets | 771,692 | 746,760 |  |
Intercompany receivable (payable) | (307,018) | (332,553) |  |
Investments in subsidiaries |  |  |  |
Other non-current assets | 5,350 | 1,781 |  |
Total assets | 537,662 | 466,611 |  |
Liabilities and Stockholders' Equity |  |  |  |
Current liabilities | 41,348 | 30,636 |  |
Long-term debt | 2,773 | 3,183 |  |
Non-current portion of accrued reclamation | 16,902 | 29,055 |  |
Non-current deferred tax liability | 121,600 | 119,836 |  |
Other non-current liabilities | (325) | (865) |  |
Stockholders' equity | 355,364 | 284,766 |  |
Total liabilities and stockholders' equity | $ 537,662 | $ 466,611 |  |

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