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Commitments and Contigencies (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Oct. 02, 2014
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Palmarejo Gold Stream Agreement, Deferred Revenue Unamortized Balance |  | $ 8,500,000 |  |  | $ 8,500,000 |  |  |  |  |
Deferred Revenue Recognized |  | 307,000 |  | $ 5,485,000 | 15,908,000 | $ 21,167,000 |  |  |  |
Payment for Contingent Consideration Liability, Financing Activities |  | 0 |  | 0 | 0 | 18,750,000 |  |  |  |
Common stock issued for investment |  |  | $ 118,777,000 |  |  |  |  |  |  |
Value Added Tax Receivable, Noncurrent | [1] | 0 |  |  | 0 |  | $ 26,447,000 |  |  |
Surety Bonds Outstanding |  | 314,500,000 |  |  | 314,500,000 |  | 311,900,000 |  |  |
Valued added tax write-down |  | 25,982,000 |  | 0 | 25,982,000 | 0 |  |  |  |
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
Kensington |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred Revenue Recognized |  | 7,500,000 |  | 5,200,000 | (22,500,000) | (20,210,000) |  |  |  |
Revenue liability |  | 7,599,000 | 15,004,000 | $ 9,914,000 | 7,599,000 | $ 9,914,000 | 15,003,000 | $ 15,006,000 | $ 15,010,000 |
Kensington | December 2020 Prepayment [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred Revenue Recognized |  |  |  |  | 15,000,000 |  |  |  |  |
Revenue liability |  |  | 15,000,000 |  |  |  | $ 15,000,000 |  |  |
Kensington | June 2021 Prepayment |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred Revenue Recognized |  |  |  |  | 7,500,000 |  |  |  |  |
Revenue liability |  | $ 7,600,000 | $ 15,000,000 |  | $ 7,600,000 |  |  |  |  |
[1] | (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. While the Company continues to pursue recovery from the Mexican government (including through ongoing litigation and potential international arbitration), the Company wrote down the carrying value of the receivable at September 30, 2021. See Note 17 -- Commitments and Contingencies for additional detail.

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