XML 104 R91.htm IDEA: XBRL DOCUMENT
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Debt (Details Textual) |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 25, 2016 USD ($) | Jul. 15, 2016 USD ($) | Jun. 23, 2015 USD ($) | Oct. 02, 2014 USD ($) | Dec. 31, 2016 USD ($) oz | Sep. 30, 2016 USD ($) Agreements oz shares | Jun. 30, 2016 shares | Dec. 31, 2016 USD ($) oz shares | Dec. 31, 2016 USD ($) oz | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($) | Mar. 31, 2015 USD ($) | Mar. 12, 2014 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Agreements | Agreements |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  |  |  |  |  |  | 9,253,016 | 17,691,094 |  |  |  |  |  |
(Gain) Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | $ 21,365,000 | $ (15,916,000) |  | $ 0 |  |
Extinguishment of Debt, Amount |  |  |  |  |  |  |  |  |  | 10,616,000 | 53,373,000 |  | 0 |  |
Long-term Debt and Capital Lease Obligations |  |  |  |  | $ 198,857,000 | $ 198,857,000 |  |  | $ 198,857,000 | 198,857,000 | 479,979,000 |  |  |  |
Price per ounce under agreement |  |  |  |  | $ 416 |  |  |  | $ 416 | 416 |  |  |  |  |
Cash payments on gold production royalty |  |  |  |  |  |  |  |  |  | 27,155,000 | 39,235,000 |  | 48,395,000 |  |
Debt principal under share exchange |  |  |  |  |  |  |  |  |  |  | $ 54,200,000 |  |  |  |
Shares exchanged for debt principal | shares |  |  |  |  |  |  |  |  |  |  | 14,400,000 |  |  |  |
Additional Long term debt and capital lease obligations(Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of Royalty Obligation |  |  |  |  |  |  |  |  |  | $ 1,211,000 | $ 6,567,000 |  | 10,773,000 |  |
Senior Notes due 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,000,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 7.875% |  |  |  | 7.875% | 7.875% | 7.875% |  |  |  |
Long-term debt, original principal |  |  |  |  |  |  |  |  |  |  |  |  | $ 450,000,000 |  |
Debt Instrument, Repurchase Amount |  |  |  |  | $ 190,000,000 |  |  |  | $ 190,000,000 | $ 190,000,000 | $ 71,300,000 |  |  |  |
debt instrument, make whole premium |  |  |  |  | $ 9,000,000 |  |  |  | $ 9,000,000 | $ 9,000,000 |  |  |  |  |
Long-term Debt and Capital Lease Obligations |  |  |  |  |  | $ 175,991,000 | [1] |  |  |  | $ 373,433,000 | [2] |  |  |
Convertible Senior Notes Due March 2028 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 3.25% | 3.25% |  |  | 3.25% | 3.25% | 3.25% |  |  |  |
Long-term Debt and Capital Lease Obligations |  |  |  |  |  | $ 0 |  |  |  |  | $ 712,000 |  |  |  |
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% |  |  |  |
San Bartolome Letter of Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt and Capital Lease Obligations |  |  |  |  |  | $ 0 |  |  |  |  | $ 4,571,000 |  |  |  |
Banco Bisa Line of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  | $ 12,000,000 |  |  |  | $ 12,000,000 | $ 12,000,000 |  |  |  |  |
Borrowing under term facility |  |  |  |  |  |  |  |  |  |  | $ 12,000,000 |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  | 6.00% |  |  |  | 6.00% | 6.00% | 6.00% |  |  |  |
Palmarejo gold stream agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Termination payment |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |
Price per ounce under agreement |  |  |  | $ 800 |  |  |  |  |  |  |  |  |  |  |
Palmarejo gold production royalty [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment made for gold on the end of royalty obligation | oz |  |  |  |  | 4,167 | 4,167 |  |  | 4,167 | 4,167 |  |  |  |  |
Annual Inflation Compounding Adjustment |  |  |  |  | 1.00% |  |  |  | 1.00% | 1.00% |  |  |  |  |
Palmarejo gold production royalty [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable ounces under royalty obligation | oz |  |  |  |  | 400,000 |  |  |  | 400,000 | 400,000 |  |  |  |  |
Senior Notes due 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt |  |  |  |  |  | $ 10,800,000 |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  |  |  |  | 700,000 |  |  |  |  |  |  |  |  |
(Gain) Loss on extinguishment of debt |  |  |  |  | $ 11,300,000 | $ 1,200,000 |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due March 2028 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Convertible Debt | $ 700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes due 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount (Premium), Net |  |  |  |  | 2,000,000 |  |  |  | $ 2,000,000 | $ 2,000,000 | $ 5,300,000 |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Gain) Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  |  | (15,900,000) |  |  |  |
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 |
Term Loan due 2020 [Member] | Secured Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt |  |  | $ 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  | $ 99,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of Debt Extinguishment Costs |  | 4,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt, Amount |  | 103,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
San Bartolome Letter of Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  | $ 0 |  |  |  | $ 0 | $ 0 | $ 4,571,000 |  |  |  |
Other Nonoperating Income (Expense) [Member] | Term Loan due 2020 [Member] | Secured Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt and capital lease obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Gain) Loss on extinguishment of debt |  | $ 8,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | (1)Net of unamortized debt issuance costs and premium received of $2.0 million.
[2] | (1)Net of unamortized debt issuance costs and premium received of $5.3 million.

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