Acquisitions (Details 2) $ in Thousands			12 Months Ended
	Apr. 17, 2015 USD ($)	May. 27, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business Acquisition [Line Items]
Payments to Acquire Royalty Interests in Mining Properties		$ 2,200
Business Combination, Net Smelter Royalty		1.25%
Payments for Royalties		$ 1,800	$ 39,235	$ 48,395	$ 57,034
Paramount Gold and Silver Corp. [Member]
Business Acquisition [Line Items]
Right to convert into Coeur common stock, conversion ratio	0.2016
Cash	$ 8,530
Payments to acquire newly issued stock	$ 1,500
Equity interest acquired (as a percent)	4.90%