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.