Business Acquisition, Cash Payment per Share

No definition available.

Name:	cde_BusinessAcquisitionCashPaymentPerShare
Namespace Prefix:	cde_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Business Acquisition, Cash Payment Pro-ration Threshold

+ References

No definition available.

+ Details

Name:	cde_BusinessAcquisitionCashPaymentProRationThreshold
Namespace Prefix:	cde_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Business Acquisition, Equity Interest Issued or Issuable, Warrant Exercise Period

+ References

No definition available.

+ Details

Name:	cde_BusinessAcquisitionEquityInterestIssuedOrIssuableWarrantExercisePeriod
Namespace Prefix:	cde_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Acquisition, Equity Interest Issued or Issuable, Warrant Exercise Price

+ References

No definition available.

+ Details

Name:	cde_BusinessAcquisitionEquityInterestIssuedOrIssuableWarrantExercisePrice
Namespace Prefix:	cde_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Acquisition, Equity Interests Issued or Issuable, Number of Shares per Share

+ References

No definition available.

+ Details

Name:	cde_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesPerShare
Namespace Prefix:	cde_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Acquisition, Equity Interests Issued or Issuable, Number of Warrants per Share

+ References

No definition available.

+ Details

Name:	cde_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfWarrantsPerShare
Namespace Prefix:	cde_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Conversion of Debt, Conversion Rate, Shares

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentConversionOfDebtConversionRateShares
Namespace Prefix:	cde_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Conversion, Trading Period

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentConversionTradingPeriod
Namespace Prefix:	cde_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Event of Default, Percentage of Principal

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentEventOfDefaultPercentageOfPrincipal
Namespace Prefix:	cde_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Exchange Offer, Issue Period

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentExchangeOfferIssuePeriod
Namespace Prefix:	cde_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Exchange Offer Period

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentExchangeOfferPeriod
Namespace Prefix:	cde_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Notice of Redemption

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentNoticeOfRedemption
Namespace Prefix:	cde_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Other Indebtedness Threshold for Subsidiary Guarantee

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentOtherIndebtednessThresholdForSubsidiaryGuarantee
Namespace Prefix:	cde_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Principal Amount per Conversion

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentPrincipalAmountPerConversion
Namespace Prefix:	cde_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Redemption, Equity Offering Used to Redeem Debt, Percentage of Principal Amount

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentRedemptionEquityOfferingUsedToRedeemDebtPercentageOfPrincipalAmount
Namespace Prefix:	cde_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Redemption Price, Change of Control in Company, Percentage of Principal

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentRedemptionPriceChangeOfControlInCompanyPercentageOfPrincipal
Namespace Prefix:	cde_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Redemption Price, Percentage

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	cde_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Redemption Price, Percentage of Principal Amount

+ References

No definition available.

+ Details

Name:	cde_DebtInstrumentRedemptionPricePercentageOfPrincipalAmount
Namespace Prefix:	cde_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 31

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 32

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Subsequent Events (Details)		0 Months Ended			0 Months Ended
Subsequent Events (Details)	Dec. 31, 2012 USD ($)	Jan. 29, 2013 Subsequent Event [Member] Senior Notes due 2021 [Member] USD ($)	Feb. 13, 2013 Subsequent Event [Member] Convertible Senior Notes Due March 2028 [Member] USD ($)	Feb. 12, 2013 Subsequent Event [Member] Convertible Senior Notes Due March 2028 [Member] USD ($)	Jan. 29, 2013 Subsequent Event [Member] Minimum [Member] Senior Notes due 2021 [Member]	Jan. 29, 2013 Subsequent Event [Member] Maximum [Member] Senior Notes due 2021 [Member]	Feb. 20, 2013 Subsequent Event [Member] Orko Silver Corporation [Member]	Feb. 20, 2013 Election One [Member] Subsequent Event [Member] Orko Silver Corporation [Member] CAD	Feb. 20, 2013 Election Two [Member] Subsequent Event [Member] Orko Silver Corporation [Member] USD ($)	Feb. 20, 2013 Election Three [Member] Subsequent Event [Member] Orko Silver Corporation [Member] CAD
Subsequent Event [Line Items]
Principal amount		$ 300,000,000
Interest rate on notes		7.875%	3.25%
Other indebtedness threshold for subsidiary guarantee		20,000,000
Notice of redemption					30 days	60 days
Redemption price, percentage of principal amount		100.00%	100.00%
Percentage of principal amount						35.00%
Redemption Price, percentage		107.875%
Percentage of principal		101.00%
Percentage of principal					25.00%
Exchange offer period		365 days
Issue period		35 days
long-term debt	303,624,000			48,658,000
Trading period used to determine conversion rate			20 days
Conversion Rate, number of shares per $1,000 of principal amount			17.6025
Principal amount per conversion			1,000
Conversion price per share (usd per share)			$ 56.81
Number of Coeur shares per share of Orko								0.0815	0.1118
Cash payment per share (cad per share)								0.70		2.60
Number of warrants per share								0.01118	0.01118	0.01118
Cash payment pro-ration threshold									$ 11,600,000	100,000,000
Warrant exercise period							4 years
Warrant exercise price (usd per share)							30.00