Supplemental Guarantor Information Condensed Consolidated Balance Sheets (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Coeur Mining, Inc.	Dec. 31, 2012 Coeur Mining, Inc.	Dec. 31, 2013 Guarantor Subsidiaries	Dec. 31, 2012 Guarantor Subsidiaries	Dec. 31, 2013 Non-Guarantor Subsidiaries	Dec. 31, 2012 Non-Guarantor Subsidiaries	Dec. 31, 2013 Eliminations	Dec. 31, 2012 Eliminations	Dec. 31, 2013 Senior Notes due Two Thousand Twenty One [Member]	Jan. 29, 2013 Senior Notes due Two Thousand Twenty One [Member]	Dec. 31, 2012 Senior Notes due Two Thousand Twenty One [Member]	Dec. 31, 2013 Equity Securities [Member] Fair Value, Inputs, Level 1 [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Face Amount														$ 300,000,000
Cash and cash equivalents	206,690,000	125,440,000			137,076,000	86,788,000	991,000	400,000	68,623,000	38,252,000	0	0
Investments	0	999,000	20,254,000		0	999,000	0	0	0	0	0	0
Receivables	81,074,000	62,438,000			530,000	8,520,000	19,982,000	7,643,000	60,562,000	46,275,000	0	0
Ore on leach pads	50,495,000	22,991,000			0	0	50,495,000	22,991,000	0	0	0	0
Metal and other inventory	132,023,000	170,670,000			0	0	35,290,000	45,906,000	96,733,000	124,764,000	0	0
Deferred tax assets	35,008,000	2,458,000			0	0	0	0	35,008,000	2,458,000	0	0
Prepaid expenses and other	25,940,000	21,186,000			4,128,000	3,395,000	5,282,000	5,947,000	16,530,000	11,844,000	0	0
Assets, Current	531,230,000	406,182,000			141,734,000	99,702,000	112,040,000	82,887,000	277,456,000	223,593,000	0	0
Property, plant and equipment, net	486,273,000	683,860,000			5,980,000	4,183,000	143,118,000	208,857,000	337,175,000	470,820,000	0	0
Mining properties, net	1,751,501,000	1,991,951,000			0	0	235,537,000	301,506,000	1,515,964,000	1,690,445,000	0	0
Ore on leach pads	31,528,000	21,356,000			0	0	31,528,000	21,356,000	0	0	0	0
Restricted assets	7,014,000	24,970,000			830,000	18,922,000	50,000	60,000	6,134,000	5,988,000	0	0
Marketable securities	14,521,000	27,065,000			0	27,065,000	14,521,000	0	0	0	0	0				14,521,000
Receivables	36,574,000	48,767,000			0	0	0	0	36,574,000	48,767,000	0	0
Unamortized Debt Issuance Expense	10,812,000	3,713,000			10,812,000	3,713,000	0	0	0	0	0	0
Deferred tax assets	1,189,000	955,000			955,000	955,000	0	0	234,000	0	0	0
Other Assets, Noncurrent	15,336,000	12,582,000			53,858,000	39,120,000	14,616,000	12,360,000	320,425,000	318,330,000	(373,563,000)	(357,228,000)
Assets	2,885,978,000	3,221,401,000	3,264,441,000		1,456,649,000	1,747,094,000	597,625,000	627,026,000	4,072,761,000	4,043,805,000	(3,241,057,000)	(3,196,524,000)
Accounts payable	53,847,000	57,482,000			1,963,000	2,954,000	15,864,000	17,211,000	36,020,000	37,317,000	0	0
Accrued liabilities and other	6,843,000	10,002,000			1,545,000	1,418,000	950,000	4,014,000	4,348,000	4,570,000	0	0
Accrued income taxes	3,119,000	27,108,000			34,000	257,000	0	0	3,085,000	26,851,000	0	0
Accrued payroll and related benefits	18,329,000	21,306,000			5,152,000	7,477,000	7,062,000	8,158,000	6,115,000	5,671,000	0	0
Accrued interest payable	9,975,000	478,000			9,962,000	463,000	4,000	5,000	1,063,000	1,002,000	(1,054,000)	(992,000)
Debt and capital leases	2,505,000	55,983,000			0	48,081,000	1,262,000	3,013,000	309,472,000	309,539,000	(308,229,000)	(304,650,000)	0		0
Royalty obligations	48,019,000	65,104,000			0	0	3,934,000	0	44,085,000	65,104,000	0	0
Reclamation and mine closure	913,000	668,000			0	0	0	0	794,000	1,445,000	119,000	(777,000)
Deferred tax liabilities	1,011,000	121,000			0	0	0	0	1,011,000	121,000	0	0
Liabilities, Current	144,561,000	238,252,000			18,656,000	60,650,000	29,076,000	32,401,000	405,993,000	451,620,000	(309,164,000)	(306,419,000)
Debt and capital leases	306,130,000	3,460,000			305,335,000	0	255,000	1,675,000	64,820,000	53,367,000	(64,280,000)	(51,582,000)	300,000,000		0
Royalty obligations	65,142,000	141,879,000			0	0	17,696,000	0	47,446,000	141,879,000	0	0
Reclamation and mine closure	57,515,000	34,670,000			0	0	45,894,000	23,149,000	11,740,000	10,744,000	(119,000)	777,000
Deferred tax liabilities	556,246,000	577,488,000			37,095,000	115,425,000	1,618,000	0	517,533,000	462,063,000	0	0
Other long-term liabilities	25,817,000	27,372,000			2,467,000	955,000	544,000	8,086,000	22,806,000	18,331,000	0	0
Intercompany Payable Receivable	0	0			(637,471,000)	(628,216,000)	427,085,000	390,480,000	210,386,000	237,736,000	0	0
Liabilities, Noncurrent	1,010,850,000	784,869,000			(292,574,000)	(511,836,000)	493,092,000	423,390,000	874,731,000	924,120,000	(64,399,000)	(50,805,000)
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0	0			1,242,480,000	1,553,434,000	46,215,000	0	1,578,799,000	1,285,862,000	(2,867,494,000)	(2,839,296,000)
Common stock, par value $0.01 per share; authorized 150,000,000 shares, issued and outstanding 102,843,003 at December 31, 2013 and 90,342,338 at December 31, 2012	1,028,000	903,000			1,028,000	903,000	250,000	350,000	122,666,000	22,760,000	(122,916,000)	(23,110,000)
Additional paid-in capital	2,781,164,000	2,601,254,000			2,781,164,000	2,601,254,000	79,712,000	107,734,000	3,258,037,000	2,748,173,000	(3,337,749,000)	(2,855,907,000)
Accumulated deficit	(1,046,719,000)	(396,156,000)			(1,046,719,000)	(396,156,000)	401,000	63,151,000	(588,666,000)	(102,868,000)	588,265,000	39,717,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	(4,906,000)	(7,721,000)			(4,906,000)	(7,721,000)	(4,906,000)	0	0	0	4,906,000	0
Debt Instrument, Interest Rate, Stated Percentage													7.875%	7.875%
Stockholders' Equity Attributable to Parent	1,730,567,000	2,198,280,000	2,136,721,000	2,040,767,000	1,730,567,000	2,198,280,000	75,457,000	171,235,000	2,792,037,000	2,668,065,000	(2,867,494,000)	(2,839,300,000)
Liabilities and Equity	$ 2,885,978,000	$ 3,221,401,000			$ 1,456,649,000	$ 1,747,094,000	$ 597,625,000	$ 627,026,000	$ 4,072,761,000	$ 4,043,805,000	$ (3,241,057,000)	$ (3,196,524,000)