Condensed Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Orko Silver Corporation [Member]	Orko Silver Corporation [Member] Common Stock	Orko Silver Corporation [Member] Additional Paid-In Capital	Coeur Capital [Member]	Coeur Capital [Member] Common Stock	Coeur Capital [Member] Additional Paid-In Capital
Balances at Dec. 31, 2010	$ 2,040,767	$ 893	$ 2,578,206	$ (538,332)	$ 0
Balances, in shares at Dec. 31, 2010		89,316
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	93,499			93,499
Other comprehensive loss	(4,975)
Common stock issued/cancelled under long-term incentive plans and director fees and options, net, in shares		339
Common stock issued/cancelled under long-term incentive plans and director fees and options, net	7,430	4	7,426
Other	(4,975)				(4,975)
Balances at Dec. 31, 2011	2,136,721	897	2,585,632	(444,833)	(4,975)
Balances, in shares at Dec. 31, 2011		89,655
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	48,677			48,677
Other comprehensive loss	(2,746)				(2,746)
Common stock share buy back, in shares		(893)
Common stock share buy back	(19,971)	(9)	(19,962)
Common issued for acquisition, in shares		1,310
Common issued for acquisition	30,000	13	29,987
Common stock issued/cancelled under long-term incentive plans and director fees and options, net, in shares		270
Common stock issued/cancelled under long-term incentive plans and director fees and options, net	5,599	2	5,597
Balances at Dec. 31, 2012	2,198,280	903	2,601,254	(396,156)	(7,721)
Balances, in shares at Dec. 31, 2012		90,342
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(650,563)			(650,563)
Other comprehensive loss	2,815				2,815
Common stock share buy back, in shares		(1,691)
Common stock share buy back	(27,552)	(17)	(27,535)
Common issued for acquisition, in shares							11,573			2,130
Common issued for acquisition						179,140	116	179,024	22,198	21	22,177
Common stock issued/cancelled under long-term incentive plans and director fees and options, net, in shares		489
Common stock issued/cancelled under long-term incentive plans and director fees and options, net	6,249	5	6,244
Balances at Dec. 31, 2013	$ 1,730,567	$ 1,028	$ 2,781,164	$ (1,046,719)	$ (4,906)
Balances, in shares at Dec. 31, 2013		102,843