XML 77 R49.htm IDEA: XBRL DOCUMENT
v3.19.3

Investments (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Equity securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | $ 13,832 | $ 14,135
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (1,459) | (1,398)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax | 10,439 | 2,852
Available-for-sale Securities | 22,812 | 15,589
Equity and debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost |  | 16,406
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (1,452)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax |  | 2,852
Available-for-sale Securities |  | 17,806
Metalla Royalty & Streaming Ltd. | Equity securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 10,463 | 10,695
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax | 10,439 | 2,852
Available-for-sale Securities | 20,902 | 13,547
Metalla Royalty & Streaming Ltd. | Debt Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost |  | 2,271
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (54)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax |  | 0
Available-for-sale Securities |  | 2,217
Rockhaven Resources, Ltd. [Member] | Equity securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 2,064 | 2,064
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (577) | (452)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax | 0 | 0
Available-for-sale Securities | 1,487 | 1,612
Other Investments [Member] | Equity securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 1,305 | 1,376
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (882) | (946)
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax | 0 | 0
Available-for-sale Securities | 423 | 430
Level 3 | Equity and debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities |  | $ 2,217
Available-for-sale Securities | Level 3 | Equity and debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | $ 0 |

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cde_EquityAndDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=cde_MetallaRoyaltyStreamingLtd.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=cde_RockhavenResourcesLtd.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=cde_OtherEquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AvailableforsaleSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |