Supplemental Guarantor Information Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 222,517	$ 200,714
Receivables	67,662	85,992
Ore on leach pads	70,446	67,329
Inventory, Net	89,761	81,711
Prepaid expenses and other	17,125	10,942
Current assets	467,511	446,688
Property, plant and equipment, net	217,401	195,999
Mining properties, net	552,054	589,219
Ore on leach pads	63,034	44,582
Restricted assets	17,740	11,633
Equity securities	6,208	2,766
Receivables	32,427	24,768
Deferred tax assets	1,854	1,942
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0	0
Other Assets, Noncurrent	12,713	14,892
TOTAL ASSETS	1,370,942	1,332,489
Accounts payable	49,972	48,732
Accrued liabilities and other	43,569	53,953
Debt	12,512	10,431
Royalty obligations	5,722	24,893
Reclamation	1,432	2,071
Liabilities, Current	113,207	140,080
Debt	389,233	479,979
Royalty obligations	6,556	4,864
Reclamation	87,277	83,197
Deferred tax liabilities	81,484	147,132
Other long-term liabilities	60,854	55,761
Intercompany Payable Receivable	0	0
Non-current liabilities	625,404	770,933
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 167,565,649 at September 30, 2016 and 151,339,136 at December 31, 2015	1,676	1,513
Additional paid-in capital	3,169,631	3,024,461
Accumulated deficit	(2,537,116)	(2,600,776)
Accumulated other comprehensive income (loss)	(1,860)	(3,722)
Stockholders' equity	632,331	421,476
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,370,942	1,332,489
Coeur Mining, Inc.
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	95,861	96,123
Receivables	3,937	11
Ore on leach pads	0	0
Inventory, Net	0	0
Prepaid expenses and other	2,667	3,496
Current assets	102,465	99,630
Property, plant and equipment, net	3,517	4,546
Mining properties, net	0	0
Ore on leach pads	0	0
Restricted assets	10,140	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	268,768	127,671
Other Assets, Noncurrent	221,387	54,578
TOTAL ASSETS	606,277	292,614
Accounts payable	1,551	1,743
Accrued liabilities and other	9,597	20,555
Debt	0	1,000
Royalty obligations	0	0
Reclamation	0	0
Liabilities, Current	11,148	23,298
Debt	363,596	467,634
Royalty obligations	0	0
Reclamation	0	0
Deferred tax liabilities	56,898	28,600
Other long-term liabilities	2,040	2,171
Intercompany Payable Receivable	(459,736)	(650,565)
Non-current liabilities	(37,202)	(152,160)
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 167,565,649 at September 30, 2016 and 151,339,136 at December 31, 2015	1,676	1,513
Additional paid-in capital	3,169,631	3,024,461
Accumulated deficit	(2,537,116)	(2,600,776)
Accumulated other comprehensive income (loss)	(1,860)	(3,722)
Stockholders' equity	632,331	421,476
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	606,277	292,614
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	51,935	34,228
Receivables	4,036	12,773
Ore on leach pads	70,446	67,329
Inventory, Net	44,339	45,491
Prepaid expenses and other	5,000	1,075
Current assets	175,756	160,896
Property, plant and equipment, net	141,980	138,706
Mining properties, net	181,949	199,303
Ore on leach pads	63,034	44,582
Restricted assets	209	381
Equity securities	6,208	2,332
Receivables	0	0
Deferred tax assets	0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	11,182	27,657
Other Assets, Noncurrent	9,349	9,197
TOTAL ASSETS	589,667	583,054
Accounts payable	19,798	18,535
Accrued liabilities and other	16,875	14,598
Debt	7,063	8,120
Royalty obligations	5,722	4,729
Reclamation	1,164	1,401
Liabilities, Current	50,622	47,383
Debt	16,576	4,947
Royalty obligations	6,556	4,864
Reclamation	65,627	61,924
Deferred tax liabilities	(38,810)	6,927
Other long-term liabilities	4,746	3,838
Intercompany Payable Receivable	351,578	411,103
Non-current liabilities	406,273	493,603
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 167,565,649 at September 30, 2016 and 151,339,136 at December 31, 2015	250	250
Additional paid-in capital	179,553	179,553
Accumulated deficit	(45,171)	(135,049)
Accumulated other comprehensive income (loss)	(1,860)	(2,686)
Stockholders' equity	132,772	42,068
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	589,667	583,054
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	74,721	70,363
Receivables	59,689	73,208
Ore on leach pads	0	0
Inventory, Net	45,422	36,220
Prepaid expenses and other	9,458	6,371
Current assets	189,290	186,162
Property, plant and equipment, net	71,904	52,747
Mining properties, net	370,105	389,916
Ore on leach pads	0	0
Restricted assets	7,391	5,497
Equity securities	0	0
Receivables	32,427	24,768
Deferred tax assets	1,854	1,942
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0	0
Other Assets, Noncurrent	3,364	5,695
TOTAL ASSETS	676,335	666,727
Accounts payable	28,623	28,454
Accrued liabilities and other	17,097	18,800
Debt	5,449	1,311
Royalty obligations	0	20,164
Reclamation	268	1,821
Liabilities, Current	51,437	70,550
Debt	230,448	61,976
Royalty obligations	0	0
Reclamation	21,650	20,122
Deferred tax liabilities	63,396	111,605
Other long-term liabilities	54,068	49,752
Intercompany Payable Receivable	108,158	239,462
Non-current liabilities	477,720	482,917
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 167,565,649 at September 30, 2016 and 151,339,136 at December 31, 2015	163,455	130,885
Additional paid-in capital	1,864,263	1,896,047
Accumulated deficit	(1,880,540)	(1,913,672)
Accumulated other comprehensive income (loss)	0	0
Stockholders' equity	147,178	113,260
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	676,335	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	(279,950)	(155,328)
Other Assets, Noncurrent	(221,387)	(54,578)
TOTAL ASSETS	(501,337)	(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	(221,387)	(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	(221,387)	(53,427)
Common stock, par value $0.01 per share; authorized 300,000,000 shares, issued and outstanding 167,565,649 at September 30, 2016 and 151,339,136 at December 31, 2015	(163,705)	(131,135)
Additional paid-in capital	(2,043,816)	(2,075,600)
Accumulated deficit	1,925,711	2,048,721
Accumulated other comprehensive income (loss)	1,860	2,686
Stockholders' equity	(279,950)	(155,328)
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ (501,337)	$ (209,906)