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Supplemental Guarantor Information Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Sep. 30, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | --- | --- | ---
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 162,182 |  | $ 200,714 |  |
Receivables | 60,431 |  | 85,992 |  |
Ore on leach pads | 64,167 |  | 67,329 |  |
Inventory, Net | 106,026 |  | 81,711 |  |
Prepaid expenses and other | 17,981 |  | 10,942 |  |
Current assets | 410,787 |  | 446,688 |  |
Property, plant and equipment, net | 216,796 |  | 195,999 |  |
Mining properties, net | 558,455 |  | 589,219 |  |
Ore on leach pads | 67,231 |  | 44,582 |  |
Restricted assets | 17,597 |  | 11,633 |  |
Equity securities | 4,488 |  | 2,766 |  |
Receivables | 30,951 |  | 24,768 |  |
Deferred tax assets | 191 |  | 1,942 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 0 |  | 0 |  |
Other Assets, Noncurrent | 12,413 |  | 14,892 |  |
TOTAL ASSETS | 1,318,909 |  | 1,332,489 |  |
Accounts payable | 53,335 |  | 52,153 |  |
Accrued liabilities and other | 42,743 |  | 50,532 |  |
Debt | 12,039 | $ 12,039 | 10,431 |  |
Royalty obligations | 4,995 |  | 24,893 |  |
Reclamation | 3,522 |  | 2,071 |  |
Liabilities, Current | 116,634 |  | 140,080 |  |
Debt | 198,857 | $ 198,857 | 479,979 |  |
Royalty obligations | 4,292 |  | 4,864 |  |
Reclamation | 95,804 |  | 83,197 |  |
Deferred tax liabilities | 74,798 |  | 147,132 |  |
Other long-term liabilities | 60,037 |  | 55,761 |  |
Intercompany Payable Receivable | 0 |  | 0 |  |
Non-current liabilities | 433,788 |  | 770,933 |  |
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 180,933,287 at December 31, 2016 and 151,339,136 at December 31, 2015 | 1,809 |  | 1,513 |  |
Additional paid-in capital | 3,314,590 |  | 3,024,461 |  |
Accumulated deficit | (2,545,424) |  | (2,600,776) |  |
Accumulated other comprehensive income (loss) | (2,488) |  | (3,722) |  |
Stockholders' equity | 768,487 |  | 421,476 | $ 554,328 | $ 1,730,567
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 1,318,909 |  | 1,332,489 |  |
Coeur Mining, Inc. |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Cash and cash equivalents | 58,048 |  | 96,123 |  |
Receivables | 12 |  | 11 |  |
Ore on leach pads | 0 |  | 0 |  |
Inventory, Net | 0 |  | 0 |  |
Prepaid expenses and other | 3,803 |  | 3,496 |  |
Current assets | 61,863 |  | 99,630 |  |
Property, plant and equipment, net | 3,222 |  | 4,546 |  |
Mining properties, net | 0 |  | 0 |  |
Ore on leach pads | 0 |  | 0 |  |
Restricted assets | 10,170 |  | 5,755 |  |
Equity securities | 0 |  | 434 |  |
Receivables | 0 |  | 0 |  |
Deferred tax assets | 0 |  | 0 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 273,056 |  | 127,671 |  |
Other Assets, Noncurrent | 221,381 |  | 54,578 |  |
TOTAL ASSETS | 569,692 |  | 292,614 |  |
Accounts payable | 2,153 |  | 1,743 |  |
Accrued liabilities and other | 12,881 |  | 20,555 |  |
Debt | 0 |  | 1,000 |  |
Royalty obligations | 0 |  | 0 |  |
Reclamation | 0 |  | 0 |  |
Liabilities, Current | 15,034 |  | 23,298 |  |
Debt | 175,991 |  | 467,634 |  |
Royalty obligations | 0 |  | 0 |  |
Reclamation | 0 |  | 0 |  |
Deferred tax liabilities | 13,810 |  | 28,600 |  |
Other long-term liabilities | 1,993 |  | 2,171 |  |
Intercompany Payable Receivable | (405,623) |  | (650,565) |  |
Non-current liabilities | (213,829) |  | (152,160) |  |
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 180,933,287 at December 31, 2016 and 151,339,136 at December 31, 2015 | 1,809 |  | 1,513 |  |
Additional paid-in capital | 3,314,590 |  | 3,024,461 |  |
Accumulated deficit | (2,545,424) |  | (2,600,776) |  |
Accumulated other comprehensive income (loss) | (2,488) |  | (3,722) |  |
Stockholders' equity | 768,487 |  | 421,476 |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 569,692 |  | 292,614 |  |
Guarantor Subsidiaries |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Cash and cash equivalents | 50,023 |  | 34,228 |  |
Receivables | 6,865 |  | 12,773 |  |
Ore on leach pads | 64,167 |  | 67,329 |  |
Inventory, Net | 49,393 |  | 45,491 |  |
Prepaid expenses and other | 1,459 |  | 1,075 |  |
Current assets | 171,907 |  | 160,896 |  |
Property, plant and equipment, net | 139,885 |  | 138,706 |  |
Mining properties, net | 195,791 |  | 199,303 |  |
Ore on leach pads | 67,231 |  | 44,582 |  |
Restricted assets | 226 |  | 381 |  |
Equity securities | 4,488 |  | 2,332 |  |
Receivables | 0 |  | 0 |  |
Deferred tax assets | 0 |  | 0 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 11,650 |  | 27,657 |  |
Other Assets, Noncurrent | 9,263 |  | 9,197 |  |
TOTAL ASSETS | 600,441 |  | 583,054 |  |
Accounts payable | 24,921 |  | 21,956 |  |
Accrued liabilities and other | 13,664 |  | 11,177 |  |
Debt | 6,516 |  | 8,120 |  |
Royalty obligations | 4,995 |  | 4,729 |  |
Reclamation | 2,672 |  | 1,401 |  |
Liabilities, Current | 52,768 |  | 47,383 |  |
Debt | 15,214 |  | 4,947 |  |
Royalty obligations | 4,292 |  | 4,864 |  |
Reclamation | 75,183 |  | 61,924 |  |
Deferred tax liabilities | 6,179 |  | 6,927 |  |
Other long-term liabilities | 4,750 |  | 3,838 |  |
Intercompany Payable Receivable | 336,813 |  | 411,103 |  |
Non-current liabilities | 442,431 |  | 493,603 |  |
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 180,933,287 at December 31, 2016 and 151,339,136 at December 31, 2015 | 250 |  | 250 |  |
Additional paid-in capital | 181,009 |  | 179,553 |  |
Accumulated deficit | (73,529) |  | (135,049) |  |
Accumulated other comprehensive income (loss) | (2,488) |  | (2,686) |  |
Stockholders' equity | 105,242 |  | 42,068 |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 600,441 |  | 583,054 |  |
Non-Guarantor Subsidiaries |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Cash and cash equivalents | 54,111 |  | 70,363 |  |
Receivables | 53,554 |  | 73,208 |  |
Ore on leach pads | 0 |  | 0 |  |
Inventory, Net | 56,633 |  | 36,220 |  |
Prepaid expenses and other | 12,719 |  | 6,371 |  |
Current assets | 177,017 |  | 186,162 |  |
Property, plant and equipment, net | 73,689 |  | 52,747 |  |
Mining properties, net | 362,664 |  | 389,916 |  |
Ore on leach pads | 0 |  | 0 |  |
Restricted assets | 7,201 |  | 5,497 |  |
Equity securities | 0 |  | 0 |  |
Receivables | 30,951 |  | 24,768 |  |
Deferred tax assets | 191 |  | 1,942 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 0 |  | 0 |  |
Other Assets, Noncurrent | 3,153 |  | 5,695 |  |
TOTAL ASSETS | 654,866 |  | 666,727 |  |
Accounts payable | 26,261 |  | 28,454 |  |
Accrued liabilities and other | 16,198 |  | 18,800 |  |
Debt | 5,523 |  | 1,311 |  |
Royalty obligations | 0 |  | 20,164 |  |
Reclamation | 850 |  | 1,821 |  |
Liabilities, Current | 48,832 |  | 70,550 |  |
Debt | 229,036 |  | 61,976 |  |
Royalty obligations | 0 |  | 0 |  |
Reclamation | 20,621 |  | 20,122 |  |
Deferred tax liabilities | 54,809 |  | 111,605 |  |
Other long-term liabilities | 53,294 |  | 49,752 |  |
Intercompany Payable Receivable | 68,810 |  | 239,462 |  |
Non-current liabilities | 426,570 |  | 482,917 |  |
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 180,933,287 at December 31, 2016 and 151,339,136 at December 31, 2015 | 197,913 |  | 130,885 |  |
Additional paid-in capital | 1,864,261 |  | 1,896,047 |  |
Accumulated deficit | (1,882,710) |  | (1,913,672) |  |
Accumulated other comprehensive income (loss) | 0 |  | 0 |  |
Stockholders' equity | 179,464 |  | 113,260 |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 654,866 |  | 666,727 |  |
Eliminations |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Cash and cash equivalents | 0 |  | 0 |  |
Receivables | 0 |  | 0 |  |
Ore on leach pads | 0 |  | 0 |  |
Inventory, Net | 0 |  | 0 |  |
Prepaid expenses and other | 0 |  | 0 |  |
Current assets | 0 |  | 0 |  |
Property, plant and equipment, net | 0 |  | 0 |  |
Mining properties, net | 0 |  | 0 |  |
Ore on leach pads | 0 |  | 0 |  |
Restricted assets | 0 |  | 0 |  |
Equity securities | 0 |  | 0 |  |
Receivables | 0 |  | 0 |  |
Deferred tax assets | 0 |  | 0 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | (284,706) |  | (155,328) |  |
Other Assets, Noncurrent | (221,384) |  | (54,578) |  |
TOTAL ASSETS | (506,090) |  | (209,906) |  |
Accounts payable | 0 |  | 0 |  |
Accrued liabilities and other | 0 |  | 0 |  |
Debt | 0 |  | 0 |  |
Royalty obligations | 0 |  | 0 |  |
Reclamation | 0 |  | (1,151) |  |
Liabilities, Current | 0 |  | (1,151) |  |
Debt | (221,384) |  | (54,578) |  |
Royalty obligations | 0 |  | 0 |  |
Reclamation | 0 |  | 1,151 |  |
Deferred tax liabilities | 0 |  | 0 |  |
Other long-term liabilities | 0 |  | 0 |  |
Intercompany Payable Receivable | 0 |  | 0 |  |
Non-current liabilities | (221,384) |  | (53,427) |  |
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 180,933,287 at December 31, 2016 and 151,339,136 at December 31, 2015 | (198,163) |  | (131,135) |  |
Additional paid-in capital | (2,045,270) |  | (2,075,600) |  |
Accumulated deficit | 1,956,239 |  | 2,048,721 |  |
Accumulated other comprehensive income (loss) | 2,488 |  | 2,686 |  |
Stockholders' equity | (284,706) |  | (155,328) |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | $ (506,090) |  | $ (209,906) |  |

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