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Supplemental Guarantor Information Condensed Consolidated Statements of Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenue | $ 168,847 | $ 200,825 | $ 204,525 | $ 171,797 | $ 205,929 | $ 230,593 | $ 254,406 | $ 204,564 | $ 745,994 | $ 895,492 | $ 1,021,200
Cost of Goods Sold | (100,227) | (131,728) | (142,924) | (88,784) | (106,473) | (124,365) | (131,182) | (92,542) | (463,663) | (454,562) | (419,547)
Amortization | (63,916) | (60,874) | (57,653) | (50,436) | (52,397) | (52,844) | (61,024) | (52,592) | (232,879) | (218,857) | (224,500)
Gross Profit |  |  |  |  |  |  |  |  | 49,452 | 222,073 | 377,153
General and Administrative Expense |  |  |  |  |  |  |  |  | 55,343 | 32,977 | 31,379
Costs of Metals Sold | 5,440 | 3,305 | 6,774 | 6,841 | 6,441 | 6,957 | 6,305 | 6,567 | 22,360 | 26,270 | 19,128
Gain (Loss) Related to Litigation Settlement |  |  | 32,000 |  |  |  |  |  | (32,046) | 0 | 0
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  | 772,993 | 5,825 | 0
Pre Development |  |  |  |  |  |  |  |  | 11,869 | 1,261 | 19,441
Operating Expenses |  |  |  |  |  |  |  |  | 894,611 | 66,333 | 69,948
Operating Income (Loss) |  |  |  |  |  |  |  |  | (845,159) | 155,740 | 307,205
Gains (Losses) on Extinguishment of Debt |  |  |  |  |  |  |  |  | 0 | (1,036) | (5,526)
Gain (Loss) on Derivative Instruments, Net, Pretax |  |  |  |  |  |  |  |  | 82,768 | (23,487) | (52,050)
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments |  |  |  |  |  |  |  |  | (18,308) | (605) |
Interest and other income |  |  |  |  |  |  |  |  | 13,323 | 15,041 | (6,610)
Interest Expense |  |  |  |  |  |  |  |  | 41,303 | 26,169 | 34,774
Nonoperating Income (Expense) |  |  |  |  |  |  |  |  | 36,480 | (36,256) | (98,960)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  |  |  |  |  |  |  |  | (808,679) | 119,484 | 208,245
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | (158,116) | 70,807 | 114,746
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | (650,563) | 48,677 | 93,499
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  | 0 | 0 | 0
NET INCOME (LOSS) | (581,528) | (46,265) | (35,040) | 12,270 | 37,550 | (15,821) | 22,973 | 3,975 | (650,563) | 48,677 | 93,499
Marketable Securities, Unrealized Gain (Loss) |  |  |  |  |  |  |  |  | (8,489) |  |
Reclassification adjustments for other than temporary impairment of marketable securities |  |  |  |  |  |  |  |  | 11,221 | 605 | 0
Reclassification adjustments for realized loss on sale of marketable securities |  |  |  |  |  |  |  |  | 83 | 0 | 0
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 2,815 | (2,746) | (4,975)
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (647,748) | 45,931 | 88,524
Coeur Mining, Inc. |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of Goods Sold |  |  |  |  |  |  |  |  | 0 | 0 | 0
Amortization |  |  |  |  |  |  |  |  | (1,066) | (521) | (450)
Gross Profit |  |  |  |  |  |  |  |  | (1,066) | (521) | (450)
General and Administrative Expense |  |  |  |  |  |  |  |  | 50,213 | 30,699 | 28,407
Costs of Metals Sold |  |  |  |  |  |  |  |  | 1,602 | 1,946 | 1,504
Gain (Loss) Related to Litigation Settlement |  |  |  |  |  |  |  |  | 0 |  |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  | 0 | 0 |
Pre Development |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating Expenses |  |  |  |  |  |  |  |  | 51,815 | 32,645 | 29,911
Operating Income (Loss) |  |  |  |  |  |  |  |  | (52,881) | (33,166) | (30,361)
Gains (Losses) on Extinguishment of Debt |  |  |  |  |  |  |  |  |  | 0 | (5,526)
Gain (Loss) on Derivative Instruments, Net, Pretax |  |  |  |  |  |  |  |  | (1,346) | 3,477 | (3,566)
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments |  |  |  |  |  |  |  |  | (18,097) | (605) |
Interest and other income |  |  |  |  |  |  |  |  | 13,408 | 5,744 | 8,871
Interest Expense |  |  |  |  |  |  |  |  | 25,652 | 4,158 | 6,328
Nonoperating Income (Expense) |  |  |  |  |  |  |  |  | (31,687) | 4,458 | (6,549)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  |  |  |  |  |  |  |  | (84,568) | (28,708) | (36,910)
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | (78,332) | 3,844 | 20,904
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | (6,236) | (32,552) | (57,814)
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  | (644,327) | 81,229 | 151,313
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | (650,563) | 48,677 | 93,499
Marketable Securities, Unrealized Gain (Loss) |  |  |  |  |  |  |  |  | (8,489) | (3,351) | (4,975)
Reclassification adjustments for losses included in net income |  |  |  |  |  |  |  |  | 11,221 | 605 | 0
Reclassification adjustments for realized loss on sale of marketable securities |  |  |  |  |  |  |  |  | 83 |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 2,815 | (2,746) | (4,975)
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (647,748) | 45,931 | 88,524
Guarantor Subsidiaries |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenue |  |  |  |  |  |  |  |  | 268,023 | 243,380 | 208,517
Cost of Goods Sold |  |  |  |  |  |  |  |  | (182,444) | (159,151) | (129,520)
Amortization |  |  |  |  |  |  |  |  | (73,802) | (49,750) | (38,670)
Gross Profit |  |  |  |  |  |  |  |  | 11,777 | 34,479 | 40,327
General and Administrative Expense |  |  |  |  |  |  |  |  | 3,245 | 1,101 | 937
Costs of Metals Sold |  |  |  |  |  |  |  |  | 8,920 | 7,930 | 3,754
Gain (Loss) Related to Litigation Settlement |  |  |  |  |  |  |  |  | (32,046) |  |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  | 130,694 | 0 |
Pre Development |  |  |  |  |  |  |  |  | 946 | (362) | 19,311
Operating Expenses |  |  |  |  |  |  |  |  | 175,851 | 8,669 | 24,002
Operating Income (Loss) |  |  |  |  |  |  |  |  | (164,074) | 25,810 | 16,325
Gains (Losses) on Extinguishment of Debt |  |  |  |  |  |  |  |  |  | (1,036) | 0
Gain (Loss) on Derivative Instruments, Net, Pretax |  |  |  |  |  |  |  |  | 7,896 | 4,089 | (8,438)
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments |  |  |  |  |  |  |  |  | (211) | 0 |
Interest and other income |  |  |  |  |  |  |  |  | (1,539) | 859 | 1,170
Interest Expense |  |  |  |  |  |  |  |  | 445 | 2,997 | 4,910
Nonoperating Income (Expense) |  |  |  |  |  |  |  |  | 5,701 | 915 | (12,178)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  |  |  |  |  |  |  |  | (158,373) | 26,725 | 4,147
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | 155 | (2,930) | (440)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | (158,528) | 23,795 | 3,707
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  | (68) | 0 | 0
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | (158,596) | 23,795 | 3,707
Marketable Securities, Unrealized Gain (Loss) |  |  |  |  |  |  |  |  | (552) | 0 | 0
Reclassification adjustments for losses included in net income |  |  |  |  |  |  |  |  | 211 | 0 | 0
Reclassification adjustments for realized loss on sale of marketable securities |  |  |  |  |  |  |  |  | 0 |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (341) | 0 | 0
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (158,937) | 23,795 | 3,707
Non-Guarantor Subsidiaries |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenue |  |  |  |  |  |  |  |  | 477,971 | 652,112 | 812,683
Cost of Goods Sold |  |  |  |  |  |  |  |  | (281,219) | (295,411) | (290,027)
Amortization |  |  |  |  |  |  |  |  | (158,011) | (168,586) | (185,380)
Gross Profit |  |  |  |  |  |  |  |  | 38,741 | 188,115 | 337,276
General and Administrative Expense |  |  |  |  |  |  |  |  | 1,885 | 1,177 | 2,035
Costs of Metals Sold |  |  |  |  |  |  |  |  | 11,838 | 16,394 | 13,870
Gain (Loss) Related to Litigation Settlement |  |  |  |  |  |  |  |  | 0 |  |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  | 642,299 | 5,825 |
Pre Development |  |  |  |  |  |  |  |  | 10,923 | 1,623 | 130
Operating Expenses |  |  |  |  |  |  |  |  | 666,945 | 25,019 | 16,035
Operating Income (Loss) |  |  |  |  |  |  |  |  | (628,204) | 163,096 | 321,241
Gains (Losses) on Extinguishment of Debt |  |  |  |  |  |  |  |  |  | 0 | 0
Gain (Loss) on Derivative Instruments, Net, Pretax |  |  |  |  |  |  |  |  | 76,218 | (31,053) | (40,046)
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments |  |  |  |  |  |  |  |  | 0 | 0 |
Interest and other income |  |  |  |  |  |  |  |  | 4,602 | 13,071 | (7,372)
Interest Expense |  |  |  |  |  |  |  |  | 18,354 | 23,647 | 32,815
Nonoperating Income (Expense) |  |  |  |  |  |  |  |  | 62,466 | (41,629) | (80,233)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  |  |  |  |  |  |  |  | (565,738) | 121,467 | 241,008
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | (79,939) | 64,033 | 93,402
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | (485,799) | 57,434 | 147,606
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  | 0 | 0 | 0
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | (485,799) | 57,434 | 147,606
Marketable Securities, Unrealized Gain (Loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Reclassification adjustments for losses included in net income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Reclassification adjustments for realized loss on sale of marketable securities |  |  |  |  |  |  |  |  | 0 |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | (485,799) | 57,434 | 147,606
Eliminations |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of Goods Sold |  |  |  |  |  |  |  |  | 0 | 0 | 0
Amortization |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gross Profit |  |  |  |  |  |  |  |  | 0 | 0 | 0
General and Administrative Expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Costs of Metals Sold |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gain (Loss) Related to Litigation Settlement |  |  |  |  |  |  |  |  | 0 |  |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  | 0 | 0 |
Pre Development |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating Expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating Income (Loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gains (Losses) on Extinguishment of Debt |  |  |  |  |  |  |  |  |  | 0 | 0
Gain (Loss) on Derivative Instruments, Net, Pretax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments |  |  |  |  |  |  |  |  | 0 | 0 |
Interest and other income |  |  |  |  |  |  |  |  | (3,148) | (4,633) | (9,279)
Interest Expense |  |  |  |  |  |  |  |  | (3,148) | (4,633) | (9,279)
Nonoperating Income (Expense) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  | 644,395 | (81,229) | (151,313)
NET INCOME (LOSS) |  |  |  |  |  |  |  |  | 644,395 | (81,229) | (151,313)
Marketable Securities, Unrealized Gain (Loss) |  |  |  |  |  |  |  |  | 552 | 0 | 0
Reclassification adjustments for losses included in net income |  |  |  |  |  |  |  |  | (211) | 0 | 0
Reclassification adjustments for realized loss on sale of marketable securities |  |  |  |  |  |  |  |  | 0 |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 341 | 0 | 0
COMPREHENSIVE INCOME |  |  |  |  |  |  |  |  | $ 644,736 | $ (81,229) | $ (151,313)

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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=18733213&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=18733213&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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