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Derivative Financial Instruments | 12 Months Ended
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Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
DERIVATIVE FINANCIAL INSTRUMENTS | DERIVATIVE FINANCIAL INSTRUMENTS Palmarejo Gold Production Royalty In January 2009, the Company's subsidiary, Coeur Mexicana, S.A. de C.V. (“Coeur Mexicana”), entered into a gold production royalty agreement with a subsidiary of Franco-Nevada Corporation that covered 50% of the life of mine production from the Palmarejo mine and legacy adjacent properties. The royalty transaction included a minimum obligation of 4,167 gold ounces per month and terminated upon delivery of 400,000 gold ounces, which occurred in July 2016. The price volatility associated with the minimum royalty obligation was considered an embedded derivative. The Company was required to recognize the change in fair value of the remaining minimum obligation due to changing gold prices. For the years ended December 31, 2016 and 2015, the mark-to-market adjustment associated with the change were losses of $5.9 million and gains of $17.0 million, respectively. Payments on the royalty obligation decreased the carrying amount of the minimum obligation and the derivative liability. For the years ended December 31, 2016 and 2015, realized losses on settlement of the liabilities were $10.8 million and $13.9 million, respectively. The mark-to-market adjustments and realized losses are included in Fair value adjustments, net. Provisional Silver and Gold Sales The Company enters into sales contracts with third-party smelters and refiners which, in some cases, provide for a provisional payment based upon preliminary assays and quoted metal prices. The provisionally priced sales contracts contain an embedded derivative that is required to be separated from the host contract for accounting purposes. The host contract is the receivable recorded at the forward price at the time of sale. The embedded derivatives do not qualify for hedge accounting and are marked to market through earnings each period until final settlement. Changes in silver and gold prices resulted in provisional pricing mark-to-market gains of $0.6 million, losses of $0.2 million, and gains of $0.2 million in the years ended December 31, 2017, 2016, and 2015, respectively. At December 31, 2017, the Company had the following provisionally priced sales that settle as follows:
In thousands except average prices and notional ounces | 2018 |  | Thereafter
Provisional silver sales contracts | $ | 383 |  |  | $ | — |
Average silver price | $ | 16.61 |  |  | $ | — |
Notional ounces | 23,065 |  |  | — |
Provisional gold sales contracts | $ | 53,214 |  |  | $ | — |
Average gold price | $ | 1,283 |  |  | $ | — |
Notional ounces | 41,476 |  |  | — |
Silver and Gold Options During the years ended December 31, 2016 and 2015, the Company had realized losses of $1.6 million and realized gains of $1.3 million, respectively, from settled option contracts. At December 31, 2017, the Company had no outstanding gold and silver options contracts. The following summarizes the classification of the fair value of the derivative instruments:
| December 31, 2017
In thousands | Prepaid expenses and other |  | Accrued liabilities and other |  | Current portion of royalty obligation |  | Non-current portion of royalty obligation
Provisional silver and gold sales contracts | $ | 251 |  |  | $ | 222 |  |  | $ | — |  |  | $ | — |
| December 31, 2016
In thousands | Prepaid expenses and other |  | Accrued liabilities and other |  | Current portion of royalty obligation |  | Non-current portion of royalty obligation
Provisional silver and gold sales contracts | $ | — |  |  | $ | 762 |  |  | $ | — |  |  | $ | — |
The following represent mark-to-market gains (losses) on derivative instruments for the years ended December 31, 2017, 2016, and 2015, respectively (in thousands):
|  | Year ended December 31,
Financial statement line | Derivative | 2017 |  | 2016 |  | 2015
Revenue | Provisional silver and gold sales contracts | $ | 631 |  |  | $ | (239 | ) |  | $ | 214 |
Fair value adjustments, net | Palmarejo gold production royalty | — |  |  | (5,866 | ) |  | 3,101 |
Fair value adjustments, net | Silver and gold options | — |  |  | (1,582 | ) |  | 1,283 |
|  | $ | 631 |  |  | $ | (7,687 | ) |  | $ | 4,598 |
Credit Risk The credit risk exposure related to any derivative instrument is limited to the unrealized gains, if any, on outstanding contracts based on current market prices. To reduce counter-party credit exposure, the Company enters into contracts with institutions management deems credit-worthy and limits credit exposure to each institution. The Company does not anticipate non-performance by any of its counterparties.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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