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Commitments and Contigencies (Details Textual) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) t milestone | Dec. 31, 2018 USD ($) | Oct. 31, 2017 USD ($) | Oct. 02, 2014 USD ($)
Business Acquisition [Line Items] |  |  |  |
Palmarejo Gold Stream Agreement, Deferred Revenue Unamortized Balance | $ 12,200,000 |  |  |
Silvertip acquisition contingent consideration | $ 49,635,000 | $ 25,000,000 |  |
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. | First Milestone |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Silvertip acquisition contingent consideration |  |  | 25,000,000.0 |
Sustained minim and milling per day (in tones) | t | 1,000 |  |  |
JDS Silver Holdings Ltd. | Second Milestone |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Silvertip acquisition contingent consideration |  |  | 25,000,000.0 |
Maximum payment |  |  | $ 25,000,000.0 |
Tonnes of Resource Added | t | 3,700,000 |  |  |
Amount of resource required (in tonnes) | t | 300,000 |  |  |
Commitment amount per resource amount reached | $ 5,000,000.0 |  |  |
Minimum Resource Tonnes Milestone | t | 2,500,000 |  |  |

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- Definition The remaining amount of the deposit to amortize to revenue, + References No definition available. + Details
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- Definition Total achievable contingent consideration offered in connection with the acquisition of Coeur Silvertip Holdings Ltd payable upon achieving two milestones. Contingent consideration payable up to $50.0 million in total or $25.0 million per milestone + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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