Commitments and Contigencies (Details Textual)		1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
		Jan. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) t milestone	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2017 USD ($)	Oct. 31, 2017 USD ($)	Oct. 02, 2014 USD ($)
Business Acquisition [Line Items]
Palmarejo Gold Stream Agreement, Deferred Revenue Unamortized Balance			$ 9,400,000		$ 9,400,000
Deferred Revenue Recognized					16,702,000	$ 1,857,000	$ 0
Silvertip acquisition contingent consideration			0		0	25,000,000
Payment for Contingent Consideration Liability, Financing Activities					18,750,000	18,697,000	0
Stock Issued During Period, Value, New Issues						122,832,000
Value Added Tax Receivable, Noncurrent	[1]		26,447,000		26,447,000	28,009,000
Surety Bonds Outstanding			311,900,000		$ 311,900,000	215,600,000
Palmarejo gold production royalty
Business Acquisition [Line Items]
Production to be sold, percent												50.00%
Price per ounce under agreement												$ 800
Aggregate deposit to be received												$ 22,000,000.0
JDS Silver Holdings Ltd.
Business Acquisition [Line Items]
Silvertip acquisition contingent consideration											$ 50,000,000.0
Long-term Purchase Commitment, Milestones | milestone					2
JDS Silver Holdings Ltd. | Permit Contingent Consideration
Business Acquisition [Line Items]
Silvertip acquisition contingent consideration											$ 25,000,000.0
Sustained minim and milling per day (in tones) | t					1,000
Silvertip [Member] | Permit Contingent Consideration
Business Acquisition [Line Items]
Contingent consideration, liability			25,000,000.0		$ 25,000,000.0
Payment for Contingent Consideration Liability, Financing Activities					18,700,000
Stock Issued During Period, Value, New Issues					1,000,000.0
Silvertip [Member] | Resource Contingent Consideration
Business Acquisition [Line Items]
Contingent consideration, liability			25,000,000.0		25,000,000.0
Payment for Contingent Consideration Liability, Financing Activities		$ 18,800,000
Stock Issued During Period, Value, New Issues		$ 900,000
Kensington
Business Acquisition [Line Items]
Deferred Revenue Recognized			15,000,000.0	$ 15,000,000.0	30,183,000	25,000,000	0
Revenue liability			15,003,000		15,003,000	$ 15,009,000	$ 0	$ 15,000,000.0	$ 25,000,000.0	$ 0
Kensington | June 2020 Prepayment [Member]
Business Acquisition [Line Items]
Revenue liability								15,000,000.0
Kensington | December 2020 Prepayment [Member]
Business Acquisition [Line Items]
Revenue liability			$ 15,000,000.0		$ 15,000,000.0			$ 15,000,000.0

[1] Represents VAT that was paid to the Mexican government associated with Coeur Mexicana’s prior royalty agreement with a subsidiary of Franco-Nevada Corporation. The Company continues to pursue recovery from the Mexican government (including through ongoing litigation). See Note 21 -- Commitments and Contingencies for additional detail. The $1.5 million decrease in the year ended December 31, 2020 is attributable to a weaker Mexican Peso.