Accretion Of Royalty Obligation.

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- Definition

Additional Long term debt and capital lease obligation.

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No definition available.

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Annual Inflation Compounding Adjustment

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- Definition

Cash payments on gold production royalty

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Debt Instrument, Commodity Royalty Payments

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Debt Instrument, Number of Lines of Credits, Outstanding

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Debt Instrument, Periodic Amortization Payment, Percent

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Debt Instrument, Prepayment Premium, Percent, Payment After Two Years

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Debt Instrument, Prepayment Premium, Percent, Payment within Twelve Months and Two Years

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Debt Instrument, Redemption Period, Low Range

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Debt Instrument, Redemption Period, Upper Range

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Debt Instrument, Redemption Price After Initial Redemption Period, Percentage

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- Definition

Long term debt and capital lease obligation.

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No definition available.

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Minimum obligation paid in monthly payments.

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- Definition

Payable ounces under royalty obligation

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Percentage of actual gold production.

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Price per ounce under agreement

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Remaining Minimum Obligation Under Royalty Agreements.

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- Definition

Amount of the total principal payments made during the annual reporting period.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

The average effective interest rate during the reporting period.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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.

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The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

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No definition available.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Debt (Details Textual)				3 Months Ended		6 Months Ended
Debt (Details Textual)	Jul. 15, 2016 USD ($)	Jun. 23, 2015 USD ($)	Mar. 31, 2015 USD ($)	Jun. 30, 2016 USD ($) oz	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) debt oz	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Debt and capital lease obligations (Textual) [Abstract]
Percentage of Actual Gold Production						50.00%
Price per ounce under agreement				$ 416		$ 416
Cash payments on gold production royalty				$ 10,461,000	$ 9,754,000	$ 19,592,000	$ 20,122,000
Debt Instrument, Commodity Royalty Payments \| oz				391,507		391,507
Additional Long term debt and capital lease obligations(Textual) [Abstract]
Accretion of Royalty Obligation				$ 397,000	$ 1,771,000	$ 1,162,000	$ 3,802,000
Remaining Minimum Obligation Under Royalty Agreements				4,100,000		$ 4,100,000		$ 15,200,000
Convertible Senior Notes Due March 2028 [Member]
Debt and capital lease obligations (Textual) [Abstract]
Debt Instrument, Face Amount								712,000
Banco de Credito Line of Credit [Member]
Debt and capital lease obligations (Textual) [Abstract]
Number of lines of credits, outstanding \| debt						2
Borrowing under term facility				$ 27,000,000		$ 27,000,000
Palmarejo gold production royalty [Member]
Debt and capital lease obligations (Textual) [Abstract]
Effective interest rate on the notes				30.50%		30.50%
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
Annual Inflation Compounding Adjustment				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
Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net				$ 4,800,000		$ 4,800,000		5,300,000
Debt and capital lease obligations (Textual) [Abstract]
Redemption period, low range						30 days
Redemption period, upper range						60 days
Redemption price after initial redemption period (as a percent)						100.00%
Short Term Credit Agreement [Member]
Debt Instrument [Line Items]
Unamortized debt issuance expense				4,500,000		$ 4,500,000		$ 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]
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				1,000,000		1,000,000
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 U.S. Prime Rate [Member] \| Term Loan due 2020 [Member] \| Secured Debt [Member]
Debt and capital lease obligations (Textual) [Abstract]
Long-term Debt				74,250,000		$ 74,250,000
Debt Instrument, Interest Rate During Period						10.50%
Adjusted Eurodollar [Member] \| Term Loan due 2020 [Member] \| Secured Debt [Member]
Debt and capital lease obligations (Textual) [Abstract]
Long-term Debt				24,750,000		$ 24,750,000
Debt Instrument, Interest Rate During Period						9.00%
Basis spread on variable rate (as a percent)		8.00%
Reported Value Measurement [Member] \| Convertible Senior Notes Due March 2028 [Member]
Debt and capital lease obligations (Textual) [Abstract]
Debt Instrument, Face Amount				0		$ 0
Reported Value Measurement [Member] \| Convertible Senior Notes Due March 2028 [Member]
Debt and capital lease obligations (Textual) [Abstract]
Debt Instrument, Face Amount				$ 712,000		$ 712,000
Subsequent Event [Member] \| Term Loan due 2020 [Member] \| Secured Debt [Member]
Debt and capital lease obligations (Textual) [Abstract]
Repayments of Debt	$ 99,000,000
Payments of Debt Extinguishment Costs	4,400,000
Extinguishment of Debt, Amount	$ 103,400,000