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Supplemental Guarantor Information Condensed Consolidated Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Oct. 02, 2014
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Revenue |  | $ 646,086 | $ 635,742 | $ 745,994 |
Costs applicable to sales | [1] | 479,654 | 477,945 | 463,663 |
Amortization |  | 143,751 | 162,436 | 229,564 |
General and Administrative Expense |  | 32,834 | 40,845 | 55,343 |
Exploration Expense, Mining |  | 11,647 | 21,740 | 22,360 |
Pre-development, reclamation, and other |  | 17,793 | 26,037 | 15,184 |
Total costs and expenses |  | 999,016 | 2,201,724 | 1,591,153 |
Loss on termination of revolving credit facility |  | 0 | (3,035) | 0 |
Gain (loss) on derivative instruments |  | 5,202 | 3,618 | 82,768 |
Other, net |  | (15) | (5,218) | (4,985) |
Interest expense, net |  | (45,703) | (47,546) | (41,303) |
Total other income (expense), net |  | (40,516) | (49,146) | 36,480 |
Income (loss) before income and mining taxes |  | (393,446) | (1,615,128) | (808,679) |
Income and mining tax benefit (expense) |  | 26,263 | 428,254 | 158,116 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | (367,183) | (1,186,874) | (650,563) |
Income (Loss) from Equity Method Investments |  | 0 | 0 | 0 |
NET INCOME (LOSS) |  | (367,183) | (1,186,874) | (650,563) |
Unrealized gain (loss) on available for sale securities |  | (4,154) | (2,290) | (8,489) |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 894 | 346 | 83 |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 2,346 | 4,042 | 11,221 |
Other comprehensive income (loss) |  | (914) | 2,098 | 2,815 |
COMPREHENSIVE INCOME (LOSS) |  | (368,097) | (1,184,776) | (647,748) |
Litigation settlement |  | 0 | 0 | 32,046 |
Write-downs |  | 313,337 | 1,472,721 | 772,993 |
Coeur Mining, Inc. |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Revenue |  | 0 | 0 | 0 |
Costs applicable to sales |  | 0 | 0 | 0 |
Amortization |  | 1,991 | 1,805 | 1,066 |
General and Administrative Expense |  | 32,405 | 39,976 | 50,213 |
Exploration Expense, Mining |  | 2,265 | 3,560 | 1,602 |
Pre-development, reclamation, and other |  | 4,083 | 8,813 | 0 |
Total costs and expenses |  | 40,744 | 54,154 | 52,881 |
Gain (loss) on derivative instruments |  | 1,224 | 1,812 | (1,346) |
Other, net |  | 20,252 | 4,406 | (4,689) |
Interest expense, net |  | (39,867) | (38,389) | (25,652) |
Total other income (expense), net |  | (18,391) | (32,171) | (31,687) |
Income (loss) before income and mining taxes |  | (59,135) | (86,325) | (84,568) |
Income and mining tax benefit (expense) |  | 1,827 | 1,742 | 78,332 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | (57,308) | (84,583) | (6,236) |
Income (Loss) from Equity Method Investments |  | (309,875) | (1,102,291) | (644,327) |
NET INCOME (LOSS) |  | (367,183) | (1,186,874) | (650,563) |
Unrealized gain (loss) on available for sale securities |  | (4,154) | (2,290) | (8,489) |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 894 | 346 | 83 |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 2,346 | 4,042 | 11,221 |
Other comprehensive income (loss) |  | (914) | 2,098 | 2,815 |
COMPREHENSIVE INCOME (LOSS) |  | (368,097) | (1,184,776) | (647,748) |
Litigation settlement |  |  |  | 0 |
Write-downs |  | 0 | 0 | 0 |
Guarantor Subsidiaries |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Revenue |  | 378,278 | 261,963 | 268,023 |
Costs applicable to sales |  | 261,830 | 196,805 | 182,444 |
Amortization |  | 83,325 | 65,100 | 71,655 |
General and Administrative Expense |  | 35 | 6 | 3,245 |
Exploration Expense, Mining |  | 3,931 | 11,157 | 8,920 |
Pre-development, reclamation, and other |  | 5,920 | 3,889 | 3,093 |
Total costs and expenses |  | 356,671 | 384,789 | 432,097 |
Gain (loss) on derivative instruments |  | 818 | 3,653 | 7,896 |
Other, net |  | (3,106) | (7,023) | (1,750) |
Interest expense, net |  | (966) | (891) | (445) |
Total other income (expense), net |  | (3,254) | (4,261) | 5,701 |
Income (loss) before income and mining taxes |  | 18,353 | (127,087) | (158,373) |
Income and mining tax benefit (expense) |  | (2,354) | (2,224) | (155) |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | 15,999 | (129,311) | (158,528) |
Income (Loss) from Equity Method Investments |  | (14,814) | (4,181) | (68) |
NET INCOME (LOSS) |  | 1,185 | (133,492) | (158,596) |
Unrealized gain (loss) on available for sale securities |  | (3,118) | (2,272) | (552) |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 894 | 328 | 0 |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 2,346 | 4,042 | 211 |
Other comprehensive income (loss) |  | 122 | 2,098 | (341) |
COMPREHENSIVE INCOME (LOSS) |  | 1,307 | (131,394) | (158,937) |
Litigation settlement |  |  |  | 32,046 |
Write-downs |  | 1,630 | 107,832 | 130,694 |
Non-Guarantor Subsidiaries |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Revenue |  | 267,808 | 373,779 | 477,971 |
Costs applicable to sales |  | 217,824 | 281,140 | 281,219 |
Amortization |  | 58,435 | 95,531 | 156,843 |
General and Administrative Expense |  | 394 | 863 | 1,885 |
Exploration Expense, Mining |  | 5,451 | 7,023 | 11,838 |
Pre-development, reclamation, and other |  | 7,790 | 13,335 | 12,091 |
Total costs and expenses |  | 601,601 | 1,762,781 | 1,106,175 |
Gain (loss) on derivative instruments |  | 3,160 | (1,847) | 76,218 |
Other, net |  | (13,385) | 227 | 4,602 |
Interest expense, net |  | (8,646) | (11,094) | (18,354) |
Total other income (expense), net |  | (18,871) | (12,714) | 62,466 |
Income (loss) before income and mining taxes |  | (352,664) | (1,401,716) | (565,738) |
Income and mining tax benefit (expense) |  | 26,790 | 428,736 | 79,939 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | (325,874) | (972,980) | (485,799) |
Income (Loss) from Equity Method Investments |  | 0 | 0 | 0 |
NET INCOME (LOSS) |  | (325,874) | (972,980) | (485,799) |
Unrealized gain (loss) on available for sale securities |  | 0 | 0 | 0 |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 0 | 0 | 0 |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 0 | 0 | 0 |
Other comprehensive income (loss) |  | 0 | 0 | 0 |
COMPREHENSIVE INCOME (LOSS) |  | (325,874) | (972,980) | (485,799) |
Litigation settlement |  |  |  | 0 |
Write-downs |  | 311,707 | 1,364,889 | 642,299 |
Eliminations |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Revenue |  | 0 | 0 | 0 |
Costs applicable to sales |  | 0 | 0 | 0 |
Amortization |  | 0 | 0 | 0 |
General and Administrative Expense |  | 0 | 0 | 0 |
Exploration Expense, Mining |  | 0 | 0 | 0 |
Pre-development, reclamation, and other |  | 0 | 0 | 0 |
Total costs and expenses |  | 0 | 0 | 0 |
Gain (loss) on derivative instruments |  | 0 | 0 | 0 |
Other, net |  | (3,776) | (2,828) | (3,148) |
Interest expense, net |  | 3,776 | 2,828 | 3,148 |
Total other income (expense), net |  | 0 | 0 | 0 |
Income (loss) before income and mining taxes |  | 0 | 0 | 0 |
Income and mining tax benefit (expense) |  | 0 | 0 | 0 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | 0 | 0 | 0 |
Income (Loss) from Equity Method Investments |  | 324,689 | 1,106,472 | 644,395 |
NET INCOME (LOSS) |  | 324,689 | 1,106,472 | 644,395 |
Unrealized gain (loss) on available for sale securities |  | 3,118 | 2,272 | 552 |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | (894) | (328) | 0 |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | (2,346) | (4,042) | (211) |
Other comprehensive income (loss) |  | (122) | (2,098) | 341 |
COMPREHENSIVE INCOME (LOSS) |  | 324,567 | 1,104,374 | 644,736 |
Litigation settlement |  |  |  | 0 |
Write-downs |  | 0 | 0 | 0 |
Operating Segments [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Revenue |  | 646,086 | 635,742 | 745,994 |
Costs applicable to sales |  | 479,654 | 477,945 |  |
Amortization |  | 143,751 | 162,436 |  |
Other, net |  | (15) | (5,218) | (4,985) |
NET INCOME (LOSS) |  |  | $ (1,186,874) | $ (650,563) |
Write-downs |  | $ 313,337 |  |  |
Palmarejo gold stream agreement [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Aggregate deposit to be received |  |  |  |  | $ 22,000
[1] | Excludes amortization.

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