Supplemental Guarantor Information Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 173,389	$ 200,714
Receivables	82,929	85,992
Ore on leach pads	72,703	67,329
Inventory, Net	78,597	81,711
Prepaid expenses and other	13,130	10,942
Current assets	420,748	446,688
Property, plant and equipment, net	220,948	195,999
Mining properties, net	574,104	589,219
Ore on leach pads	49,294	44,582
Restricted assets	13,221	11,633
Equity securities	5,530	2,766
Receivables	24,114	24,768
Deferred tax assets	2,750	1,942
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0	0
Other Assets, Noncurrent	14,389	14,892
TOTAL ASSETS	1,325,098	1,332,489
Accounts payable	46,955	48,732
Accrued liabilities and other	42,037	53,953
Debt	16,801	10,431
Royalty obligations	21,183	24,893
Reclamation	3,463	2,071
Liabilities, Current	130,439	140,080
Debt	494,300	479,979
Royalty obligations	6,354	4,864
Reclamation	83,902	83,197
Deferred tax liabilities	146,845	147,132
Other long-term liabilities	58,118	55,761
Intercompany Payable Receivable	0	0
Non-current liabilities	789,519	770,933
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 153,240,428 at March 31, 2016 and 151,339,136 at December 31, 2015	1,532	1,513
Additional paid-in capital	3,026,871	3,024,461
Accumulated deficit	(2,621,172)	(2,600,776)
Accumulated other comprehensive income (loss)	(2,091)	(3,722)
Stockholders' equity	405,140	421,476
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,325,098	1,332,489
Coeur Mining, Inc.
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	61,401	96,123
Receivables	0	11
Ore on leach pads	0	0
Inventory, Net	0	0
Prepaid expenses and other	3,419	3,496
Current assets	64,820	99,630
Property, plant and equipment, net	4,169	4,546
Mining properties, net	0	0
Ore on leach pads	0	0
Restricted assets	7,292	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	124,846	127,671
Other Assets, Noncurrent	55,604	54,578
TOTAL ASSETS	256,731	292,614
Accounts payable	1,857	1,743
Accrued liabilities and other	8,340	20,555
Debt	1,000	1,000
Royalty obligations	0	0
Reclamation	0	0
Liabilities, Current	11,197	23,298
Debt	467,924	467,634
Royalty obligations	0	0
Reclamation	0	0
Deferred tax liabilities	28,806	28,600
Other long-term liabilities	2,106	2,171
Intercompany Payable Receivable	(658,442)	(650,565)
Non-current liabilities	(159,606)	(152,160)
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 153,240,428 at March 31, 2016 and 151,339,136 at December 31, 2015	1,532	1,513
Additional paid-in capital	3,026,871	3,024,461
Accumulated deficit	(2,621,172)	(2,600,776)
Accumulated other comprehensive income (loss)	(2,091)	(3,722)
Stockholders' equity	405,140	421,476
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	256,731	292,614
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	29,889	34,228
Receivables	7,978	12,773
Ore on leach pads	72,703	67,329
Inventory, Net	40,828	45,491
Prepaid expenses and other	3,267	1,075
Current assets	154,665	160,896
Property, plant and equipment, net	153,046	138,706
Mining properties, net	192,176	199,303
Ore on leach pads	49,294	44,582
Restricted assets	381	381
Equity securities	5,530	2,332
Receivables	0	0
Deferred tax assets	0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	19,478	27,657
Other Assets, Noncurrent	9,091	9,197
TOTAL ASSETS	583,661	583,054
Accounts payable	20,001	18,535
Accrued liabilities and other	12,181	14,598
Debt	11,478	8,120
Royalty obligations	4,522	4,729
Reclamation	1,533	1,401
Liabilities, Current	49,715	47,383
Debt	17,376	4,947
Royalty obligations	6,354	4,864
Reclamation	63,194	61,924
Deferred tax liabilities	7,263	6,927
Other long-term liabilities	3,839	3,838
Intercompany Payable Receivable	389,838	411,103
Non-current liabilities	487,864	493,603
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 153,240,428 at March 31, 2016 and 151,339,136 at December 31, 2015	250	250
Additional paid-in capital	179,553	179,553
Accumulated deficit	(131,630)	(135,049)
Accumulated other comprehensive income (loss)	(2,091)	(2,686)
Stockholders' equity	46,082	42,068
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	583,661	583,054
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	82,099	70,363
Receivables	74,951	73,208
Ore on leach pads	0	0
Inventory, Net	37,769	36,220
Prepaid expenses and other	6,444	6,371
Current assets	201,263	186,162
Property, plant and equipment, net	63,733	52,747
Mining properties, net	381,928	389,916
Ore on leach pads	0	0
Restricted assets	5,548	5,497
Equity securities	0	0
Receivables	24,114	24,768
Deferred tax assets	2,750	1,942
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0	0
Other Assets, Noncurrent	5,299	5,695
TOTAL ASSETS	684,635	666,727
Accounts payable	25,097	28,454
Accrued liabilities and other	21,516	18,800
Debt	4,323	1,311
Royalty obligations	16,661	20,164
Reclamation	1,930	1,821
Liabilities, Current	69,527	70,550
Debt	64,605	61,976
Royalty obligations	0	0
Reclamation	20,708	20,122
Deferred tax liabilities	110,776	111,605
Other long-term liabilities	52,173	49,752
Intercompany Payable Receivable	268,604	239,462
Non-current liabilities	516,866	482,917
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 153,240,428 at March 31, 2016 and 151,339,136 at December 31, 2015	160,336	130,885
Additional paid-in capital	1,879,279	1,896,047
Accumulated deficit	(1,941,373)	(1,913,672)
Accumulated other comprehensive income (loss)	0	0
Stockholders' equity	98,242	113,260
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	684,635	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	(144,324)	(155,328)
Other Assets, Noncurrent	(55,605)	(54,578)
TOTAL ASSETS	(199,929)	(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	(55,605)	(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	(55,605)	(53,427)
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 153,240,428 at March 31, 2016 and 151,339,136 at December 31, 2015	(160,586)	(131,135)
Additional paid-in capital	(2,058,832)	(2,075,600)
Accumulated deficit	2,073,003	2,048,721
Accumulated other comprehensive income (loss)	2,091	2,686
Stockholders' equity	(144,324)	(155,328)
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ (199,929)	$ (209,906)