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v3.3.1.900

Debt (Details Textual) shares in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 23, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2015 USD ($) debt oz shares | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Mar. 12, 2014 USD ($) | Jan. 29, 2013 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Cash payments on gold production royalty |  |  | $ 39,235,000 | $ 48,395,000 | $ 57,034,000 |  |
Debt Instrument, Commodity Royalty Payments | oz |  |  | 366,505 |  |  |  |
Debt principal under share exchange |  |  | $ 54,200,000 |  |  |  |
Shares exchanged for debt principal | shares |  |  | 14.4 |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Number of lines of credits, outstanding | debt |  |  | 2 |  |  |  |
Debt |  |  | $ 10,431,000 | 17,498,000 |  |  |
Amortization of debt issuance costs |  |  | (409,000) | (357,000) | 576,000 |  |
Write off revolver costs, interest expense |  |  | 0 | 3,035,000 | 0 |  |
Line of credit facility, commitment fee amount |  |  | 0 | 179,000 | 612,000 |  |
Loss on termination of revolving credit facility |  |  | $ 0 | 3,035,000 | 0 |  |
Percentage of Actual Gold Production |  |  | 50.00% |  |  |  |
Remaining ounces under royalty obligation | oz |  |  | 33,495 |  |  |  |
Additional Long term debt and capital lease obligations(Textual) [Abstract] |  |  |  |  |  |  |
Remaining Minimum Obligation Under Royalty Agreements |  |  | $ 15,200,000 | 34,000,000 |  |  |
Accretion of Royalty Obligation |  |  | 6,567,000 | 10,773,000 | 17,641,000 |  |
Expensed Interest |  |  | $ 45,703,000 | $ 47,546,000 | $ 41,303,000 |  |
Convertible Senior Notes Due March 2028 [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Interest rate on notes |  |  | 3.25% | 3.25% |  |  |
Debt Instrument, Face Amount |  |  |  | $ 0 |  |  |
Senior Notes due 2021 [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Debt Instrument, Repurchase Amount |  |  | $ 71,300,000 |  |  |  |
Interest rate on notes |  |  | 7.875% | 7.875% |  |  | 7.875%
Debt Instrument, Face Amount |  |  |  |  |  | $ 150,000,000 | $ 300,000,000
Debt |  |  | $ 378,700,000 |  |  |  |
Long-term debt, original principal |  |  |  | $ 450,000,000 |  |  |
Banco Bisa Line of Credit [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Borrowing under term facility |  |  | $ 12,000,000 |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  | 6.00% |  |  |  |
Banco de Credito Line of Credit [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Borrowing under term facility |  |  | $ 15,000,000 |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  | 6.00% |  |  |  |
Palmarejo gold production royalty [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Effective interest rate on the notes |  |  | 30.50% |  |  |  |
Palmarejo gold production royalty [Member] | Maximum [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Payable ounces under royalty obligation | oz |  |  | 400,000 |  |  |  |
Convertible Senior Notes Due March 2028 [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Debt |  |  | $ 0 | 5,334,000 |  |  |
Debt Instrument, Repurchased Face Amount |  |  | 4,600,000 |  |  |  |
San Bartolome Letter of Credit Facility [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  | 4,571,000 | 14,785,000 |  |  |
Short Term Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Unamortized debt issuance expense |  |  | 5,000,000 |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Short-term Debt |  | $ 50,000,000.0 |  |  |  |  |
Debt |  |  | 94,489,000 |  |  |  |
Term Loan due 2020 [Member] | Secured Debt [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Long-term Debt | $ 100,000,000 |  |  |  |  |  |
Prepayment premium for payments between first and second anniversary (as a percent) | 105.00% |  |  |  |  |  |
Prepayment premium for payments after second anniversary (as a percent) | 103.00% |  |  |  |  |  |
Amortization payments (as a percent) | 1.00% |  |  |  |  |  |
Debt Instrument, Annual Principal Payment |  |  | 500,000 |  |  |  |
Senior Notes due 2021 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount (Premium), Net |  |  | $ 5,300,000 | $ 7,300,000 |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Redemption of aggregate principal, allowable amount (as a percent) |  |  | 35.00% |  |  |  |
Redemption price (as a percent) |  |  | 107.875% |  |  |  |
Redemption period, low range |  |  | 30 days |  |  |  |
Redemption period, upper range |  |  | 60 days |  |  |  |
Redemption price after initial redemption period (as a percent) |  |  | 100.00% |  |  |  |
Loss on termination of revolving credit facility |  |  | $ (15,900,000) |  |  |  |
Palmarejo [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Expected Royalty Duration |  |  | 0.7 |  |  |  |
Eurodollar [Member] | Short Term Credit Agreement [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  | 2.50% |  |  |  |  |
Eurodollar [Member] | Term Loan due 2020 [Member] | Secured Debt [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 1.00% |  |  |  |  |  |
Adjusted Eurodollar [Member] | Term Loan due 2020 [Member] | Secured Debt [Member] |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 8.00% |  |  |  |  |  |

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