XML 64 R52.htm IDEA: XBRL DOCUMENT
v3.22.1

Investments (Details) - Equity securities - USD ($) shares in Thousands, $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 21, 2022 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Debt Securities, Available-for-sale [Abstract] |  |  |  |
Marketable Securities, Realized Gain (Loss) |  | $ 0 | $ (769) |
Unrealized gain (loss) on equity securities |  | 13,744 | $ (4,568) |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |
Cost |  | 154,118 |  | $ 138,165
Equity Securities, FV-NI, Unrealized Gain (Loss) |  | 12,410 |  | 0
Equity Securities, FV-NI, Unrealized Gain |  | 4,634 |  | 5,968
Marketable Securities, Noncurrent |  |  |  | 132,197
Integra Resources Corp. [Member] |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |
Cost |  | 9,455 |  | 9,455
Equity Securities, FV-NI, Unrealized Gain (Loss) |  | 0 |  | 0
Equity Securities, FV-NI, Unrealized Gain |  | 4,074 |  | 1,469
Marketable Securities, Noncurrent |  | 5,381 |  | 7,986
Other Investments [Member] |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |
Cost |  | 2,233 |  |
Equity Securities, FV-NI, Unrealized Gain (Loss) |  | 0 |  |
Equity Securities, FV-NI, Unrealized Gain |  | 0 |  |
Marketable Securities, Noncurrent |  | 2,233 |  |
Victoria Gold Corp |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |
Cost |  | 128,710 |  | 128,710
Equity Securities, FV-NI, Unrealized Gain (Loss) |  | 12,410 |  | 0
Equity Securities, FV-NI, Unrealized Gain |  | 0 |  | 4,499
Marketable Securities, Noncurrent |  | 141,120 |  | $ 124,211
Avino Silver & Gold Mines Ltd |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |
Shares purchased during period, shares | 14,000 |  |  |
Investment owned, percent of assets | 12.00% |  |  |
Cost |  | 13,720 |  |
Equity Securities, FV-NI, Unrealized Gain (Loss) |  | 0 |  |
Equity Securities, FV-NI, Unrealized Gain |  | 560 |  |
Marketable Securities, Noncurrent |  | $ 13,160 |  |

X
- Definition Investments in marketable securities. + References No definition available. + Details
Name: | cde_InvestmentInMarketableSecuritiesTextualAbstract
Namespace Prefix: | cde_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shares Purchased During Period, Shares + References No definition available. + Details
Name: | cde_SharesPurchasedDuringPeriodShares
Namespace Prefix: | cde_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. + References No definition available. + Details
Name: | us-gaap_EquitySecuritiesFvNiCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiUnrealizedGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiUnrealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column D)) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 + Details
Name: | us-gaap_InvestmentOwnedPercentOfNetAssets
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in marketable security, classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_MarketableSecuritiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesRealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) on investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
Name: | us-gaap_MarketableSecuritiesUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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