Accretion Of Royalty Obligation.

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Annual Inflation Compounding Adjustment

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Interest Expense, Credit Facility

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Interest Paid on Capital Leases.

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Interest Paid on Convertible Notes due 2028.

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Interest Paid on Senior Notes due 2021.

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Minimum obligation paid in monthly payments.

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- Definition

Percentage of actual gold production.

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No definition available.

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- Definition

Write off revolver costs, interest expense.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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

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

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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Amount of interest capitalized during the period.

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-Glossary Allowance for Funds Used during Construction

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Total interest costs incurred during the period and either capitalized or charged against earnings.

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Amount of the fee for available but unused credit capacity under the credit facility.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Debt (Details) (USD $)	3 Months Ended
Debt (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Debt Instrument [Line Items]
Percentage of Actual Gold Production	50.00%cde_PercentageOfActualGoldProduction
Long term debt and capital lease obligations
Current	$ 65,719,000us-gaap_DebtCurrent		$ 17,498,000us-gaap_DebtCurrent
Non-current	447,779,000		451,048,000
Interest expenses incurred for various debt instruments
Interest Paid on Convertible Notes due 2028	37,000	43,000
Interest Paid on Senior Notes due 2021	8,562,000cde_InterestPaidonSeniorNotesdue2021	6,464,000cde_InterestPaidonSeniorNotesdue2021
San Bartolomé Line of Credit	272,000cde_InterestExpenseCreditFacility	0cde_InterestExpenseCreditFacility
Line of Credit Facility, Commitment Fee Amount	0	179,000
Write off revolver costs, interest expense	0	3,035,000
Interest Paid on Capital Leases	298,000cde_InterestPaidonCapitalLeases	59,000cde_InterestPaidonCapitalLeases
Accretion of Franco Nevada royalty obligation	2,031,000cde_AccretionOfRoyaltyObligation	3,196,000cde_AccretionOfRoyaltyObligation
Debt Issuance Cost	405,000us-gaap_DebtIssuanceCosts	498,000us-gaap_DebtIssuanceCosts
Amortization of debt issuance costs	(105,000)	(36,000)
Capitalized interest	(735,000)us-gaap_InterestCostsCapitalized	(384,000)us-gaap_InterestCostsCapitalized
Total interest expense, net of capitalized interest	10,765,000us-gaap_InterestCostsIncurred	13,054,000us-gaap_InterestCostsIncurred
San Bartolome Letter of Credit Facility [Member]
Long term debt and capital lease obligations
Non-current	9,892,000		10,304,000
3.25% Convertible Senior Notes due March 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Carrying Amount of Equity Component	10,900,000
Long term debt and capital lease obligations
Debt Instrument, Face Amount			0
Senior Notes due 2021 [Member]
Long term debt and capital lease obligations
Non-current	425,935,000		427,603,000
Palmarejo gold production royalty [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	30.50%
Capital Lease Obligations [Member]
Long term debt and capital lease obligations
Non-current	11,240,000		13,141,000
Palmarejo gold production royalty [Member]
Debt Instrument [Line Items]
Minimum Obligation Paid in Monthly Payments	4,167
Annual Inflation Compounding Adjustment	1.00%
Short Term Credit Agreement [Member]
Long term debt and capital lease obligations
Current	49,753,000		0
Non-current	0		0
Convertible Senior Notes Due March 2028 [Member]
Long term debt and capital lease obligations
Current	0		5,334,000
Senior Notes due 2021 [Member]
Long term debt and capital lease obligations
Current	0		0
Capital Lease Obligations [Member]
Long term debt and capital lease obligations
Current	7,645,000		7,683,000
San Bartolome Letter of Credit Facility [Member]
Long term debt and capital lease obligations
Current	$ 8,321,000		$ 4,481,000