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MINERAL PROPERTY INTERSTS AND ASSET RETIREMENT OBLIGATIONS (Details) (USD $) | 12 Months Ended | 3 Months Ended | 1 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 | Jun. 30, 2013 | Dec. 31, 2014 | Jun. 30, 2014 | Sep. 30, 2013 | Nov. 30, 2012 | Sep. 30, 2014
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Cash bonding for mineral properties in the United States | $ 4,800,000 mux_OutstandingSuretyBonds | $ 0 mux_OutstandingSuretyBonds |  | 0 mux_OutstandingSuretyBonds |  | $ 4,800,000 mux_OutstandingSuretyBonds |  |  |  | $ 4,800,000 mux_OutstandingSuretyBonds
Amortization of mineral property interests and asset retirement obligations | 1,236,000 mux_MineralPropertyInterestsAndAssetRetirementObligationsAmortization | 1,530,000 mux_MineralPropertyInterestsAndAssetRetirementObligationsAmortization |  |  |  |  |  |  |  |
Mineral property interests | 287,812,000 us-gaap_MineralPropertiesNet | 642,968,000 us-gaap_MineralPropertiesNet | 767,067,000 us-gaap_MineralPropertiesNet | 642,968,000 us-gaap_MineralPropertiesNet |  | 287,812,000 us-gaap_MineralPropertiesNet |  |  |  |
(Gain) loss on sale of assets | (26,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | 6,743,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (1,110,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment |  |  |  |  |  |  |
Impairment charges | 353,736,000 us-gaap_AssetImpairmentCharges | 62,963,000 us-gaap_AssetImpairmentCharges | 18,468,000 us-gaap_AssetImpairmentCharges |  |  |  |  |  |  |
Deferred tax liability related to mineral properties transferred | (214,000)us-gaap_DeferredTaxLiabilitiesInvestments |  |  |  |  | (214,000)us-gaap_DeferredTaxLiabilitiesInvestments |  |  |  |
Exploration costs | (11,332,000)us-gaap_ExplorationExpenseMining | (24,829,000)us-gaap_ExplorationExpenseMining | (47,179,000)us-gaap_ExplorationExpenseMining |  |  |  |  |  |  |
Percentage of annual fees on surety bonds | 1.50%mux_SuretyBondsAnnualFeesPercentage |  |  |  |  |  |  |  |  |
Percentage of upfront deposit on surety bonds | 10.00%mux_SuretyBondsUpfrontDepositPercentage |  |  |  |  |  |  |  |  |
Changes in the asset retirement obligations |  |  |  |  |  |  |  |  |  |
Asset retirement obligation liability, beginning balance | 7,247,000 us-gaap_AssetRetirementObligation | 7,247,000 us-gaap_AssetRetirementObligation | 6,359,000 us-gaap_AssetRetirementObligation |  |  |  |  |  |  |
Settlements | (52,000)us-gaap_AssetRetirementObligationLiabilitiesSettled | (60,000)us-gaap_AssetRetirementObligationLiabilitiesSettled |  |  |  |  |  |  |  |
Accretion of liability | 407,000 us-gaap_AssetRetirementObligationAccretionExpense | 461,000 us-gaap_AssetRetirementObligationAccretionExpense | 447,000 us-gaap_AssetRetirementObligationAccretionExpense |  |  |  |  |  |  |
Adjustment reflecting updated estimates | (131,000)us-gaap_AssetRetirementObligationRevisionOfEstimate | 487,000 us-gaap_AssetRetirementObligationRevisionOfEstimate |  |  |  |  |  |  |  |
Asset retirement obligation liability, ending balance | 7,471,000 us-gaap_AssetRetirementObligation | 7,247,000 us-gaap_AssetRetirementObligation | 7,247,000 us-gaap_AssetRetirementObligation | 7,247,000 us-gaap_AssetRetirementObligation |  | 7,471,000 us-gaap_AssetRetirementObligation |  |  |  |
Current portion of the asset retirement obligation | 2,427,000 us-gaap_AssetRetirementObligationCurrent | 1,392,000 us-gaap_AssetRetirementObligationCurrent | 1,400,000 us-gaap_AssetRetirementObligationCurrent | 1,392,000 us-gaap_AssetRetirementObligationCurrent |  | 2,427,000 us-gaap_AssetRetirementObligationCurrent |  |  |  |
MSC |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Additional discount | 20.00%us-gaap_FairValueInputsDiscountRate / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember |  |  | 40.00%us-gaap_FairValueInputsDiscountRate / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember | 40.00%us-gaap_FairValueInputsDiscountRate / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember |  |  |  |  |
Impairment charges | 21,200,000 us-gaap_AssetImpairmentCharges / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember |  |  |  |  |  |  |  |  |
Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 98,400,000 us-gaap_AssetImpairmentCharges / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |  |  |
Recovery of deferred income tax | 31,600,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |  |  |
Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests | 202,889,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember | 458,203,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember | 539,092,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember | 458,203,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  | 202,889,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |
(Gain) loss on sale of assets |  | 316,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |
Impairment charges | 255,313,000 us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember | 27,729,000 us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember | 179,000 us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |
Recovery of deferred income tax | 3,200,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
Exploration costs | (2,453,000)us-gaap_ExplorationExpenseMining / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember | (14,776,000)us-gaap_ExplorationExpenseMining / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember | (25,091,000)us-gaap_ExplorationExpenseMining / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |
Other Agentina Properties |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 27,000,000 us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = mux_OtherAgentinaPropertiesMember |  |  |  |  |  |  |  |  |
Mexico |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests | 10,696,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember | 11,984,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember | 12,707,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember | 11,984,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember |  | 10,696,000 us-gaap_MineralPropertiesNet / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember |  |  |  |
Impairment charges |  |  | 1,343,000 us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember |  |  |  |  |  |  |
Exploration costs | (5,468,000)us-gaap_ExplorationExpenseMining / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember | (6,658,000)us-gaap_ExplorationExpenseMining / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember | (15,918,000)us-gaap_ExplorationExpenseMining / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember |  |  |  |  |  |  |
Los Azules Copper Project |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests | 202,889,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember | 431,190,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  | 431,190,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  | 202,889,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  |  |  |
Additional discount | 35.00%us-gaap_FairValueInputsDiscountRate / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  |  |  |  | 35.00%us-gaap_FairValueInputsDiscountRate / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember | 35.00%us-gaap_FairValueInputsDiscountRate / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  |  |
Impairment charges | 228,300,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  |  |  |  | 107,900,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember | 120,400,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  |  |
Recovery of deferred income tax |  |  |  |  |  | 19,300,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember | 22,500,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember |  |  |
Los Azules Copper Project | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 228,301,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_LosAzulesCopperProjectMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
Other Argentina exploration properties in San Juan, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 7,818,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_OtherArgentinaExplorationPropertiesLocatedInSanJuanArgentinaMember |  | 7,818,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_OtherArgentinaExplorationPropertiesLocatedInSanJuanArgentinaMember |  |  |  |  |  |
Other Argentina exploration properties in San Juan, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 7,817,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_OtherArgentinaExplorationPropertiesLocatedInSanJuanArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
Telken Tenements | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  | 13,792,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_TelkenTenementsMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |
Este Tenements | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  | 2,784,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_EsteTenementsMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |
Piramides Tenements | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  | 5,079,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_PiramidesTenementsMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |
Tobias Tenements | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  | 6,074,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_TobiasTenementsMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |
Property, plant and equipment | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  | 179,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = us-gaap_PropertyPlantAndEquipmentMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |
Other United States Properties |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 9,610,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_OtherUnitedStatesPropertiesMember |  | 9,610,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_OtherUnitedStatesPropertiesMember |  |  |  |  |  |
Impairment charges |  |  | 2,900,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_OtherUnitedStatesPropertiesMember |  |  |  |  |  |  |
Mineral property interest, carrying value before impairment |  |  | 2,900,000 mux_MineralPropertyInterestsCarryingValueBeforeImpairmentCharge / mux_MineralPropertyNameAxis = mux_OtherUnitedStatesPropertiesMember |  |  |  |  |  |  |
Other United States Properties | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 9,611,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_OtherUnitedStatesPropertiesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember | 9,497,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_OtherUnitedStatesPropertiesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember | 2,902,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_OtherUnitedStatesPropertiesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |
Limo Complex |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 23,438,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LimoComplexMember |  | 23,438,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LimoComplexMember |  |  |  |  |  |
Limo Complex | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 23,438,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_LimoComplexMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember | 19,450,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_LimoComplexMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |  |
El Gallo mine |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Undiscounted estimated reclamation costs | 4,600,000 us-gaap_AccruedReclamationCostsCurrent / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember |  |  |  |  | 4,600,000 us-gaap_AccruedReclamationCostsCurrent / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember |  |  |  |
Amortization of mineral property interests and asset retirement obligations | 1,300,000 mux_MineralPropertyInterestsAndAssetRetirementObligationsAmortization / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember | 1,500,000 mux_MineralPropertyInterestsAndAssetRetirementObligationsAmortization / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember |  |  |  |  |  |  |  |
Mineral property interests | 7,214,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember | 8,502,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember |  | 8,502,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember |  | 7,214,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexMember |  |  |  |
Tonkin property and El Gallo 1 mine portion of the El Gallo Complex |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Number of most significant properties subject to reclamation obligations | 2 mux_NumberOfPropertiesSubjectToReclamationObligations / mux_MineralPropertyNameAxis = mux_TonkinComplexAndElGalloOneMineComplexMember |  |  |  |  | 2 mux_NumberOfPropertiesSubjectToReclamationObligations / mux_MineralPropertyNameAxis = mux_TonkinComplexAndElGalloOneMineComplexMember |  |  |  |
West Battle Mountain Complex |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 2,567,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_WestBattleMountainComplexLocatedInNevadaUnitedStatesMember |  | 2,567,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_WestBattleMountainComplexLocatedInNevadaUnitedStatesMember |  |  |  |  |  |
West Battle Mountain Complex | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 2,567,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_WestBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember | 6,287,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_WestBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |  |
Exploration properties in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  |  |  | 27,700,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember |  |  |  |  |
Recovery of deferred income tax |  |  |  |  | 2,300,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember |  |  |  |  |
Exploration properties in Santa Cruz, Argentina | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  |  | 28,900,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  | 6,300,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |
Recovery of deferred income tax |  |  |  | 10,100,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  | 2,200,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |
Exploration properties in Santa Cruz, Argentina | Vend-in agreement | MSC |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 35,900,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember / us-gaap_TypeOfArrangementAxis = mux_VendInAgreementMember |  | 35,900,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember / us-gaap_TypeOfArrangementAxis = mux_VendInAgreementMember |  |  |  |  |  |
(Gain) loss on sale of assets |  |  |  | 0 us-gaap_GainLossOnSaleOfPropertyPlantEquipment / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember / us-gaap_TypeOfArrangementAxis = mux_VendInAgreementMember |  |  |  |  |  |
Deferred tax liability related to mineral properties transferred |  | 17,300,000 us-gaap_DeferredTaxLiabilitiesInvestments / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember / us-gaap_TypeOfArrangementAxis = mux_VendInAgreementMember |  | 17,300,000 us-gaap_DeferredTaxLiabilitiesInvestments / mux_MineralPropertyNameAxis = mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mux_MineraSantaCruzSAMember / us-gaap_TypeOfArrangementAxis = mux_VendInAgreementMember |  |  |  |  |  |
Mexico property interests |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Amortization of mineral property interests | 800,000 mux_MineralPropertyInterestsAmortization / mux_MineralPropertyNameAxis = mux_MexicoMineralPropertiesMember | 1,000,000 mux_MineralPropertyInterestsAmortization / mux_MineralPropertyNameAxis = mux_MexicoMineralPropertiesMember |  |  |  |  |  |  |  |
Amortization of capitalized asset retirement costs | 500,000 mux_AssetRetirementObligationsAmortization / mux_MineralPropertyNameAxis = mux_MexicoMineralPropertiesMember | 500,000 mux_AssetRetirementObligationsAmortization / mux_MineralPropertyNameAxis = mux_MexicoMineralPropertiesMember |  |  |  |  |  |  |  |
Cerro Mojon Tenements in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 1,971,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_CerroMojonTenementsLocatedInSantaCruzArgentinaMember |  | 1,971,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_CerroMojonTenementsLocatedInSantaCruzArgentinaMember |  |  |  |  |  |
Cerro Mojon Tenements in Santa Cruz, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 1,971,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_CerroMojonTenementsLocatedInSantaCruzArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
La Merced Tenements in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 1,891,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LaMercedTenementsLocatedInSantaCruzArgentinaMember |  | 1,891,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_LaMercedTenementsLocatedInSantaCruzArgentinaMember |  |  |  |  |  |
La Merced Tenements in Santa Cruz, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 1,891,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_LaMercedTenementsLocatedInSantaCruzArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
Cabeza de Vaca Tenements in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 877,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_CabezadeVacaTenementsLocatedInSantaCruzArgentinaMember |  | 877,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_CabezadeVacaTenementsLocatedInSantaCruzArgentinaMember |  |  |  |  |  |
Cabeza de Vaca Tenements in Santa Cruz, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 877,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_CabezadeVacaTenementsLocatedInSantaCruzArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
El Trumai Tenements in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 1,534,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElTrumaiTenementsLocatedInSantaCruzArgentinaMember |  | 1,534,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElTrumaiTenementsLocatedInSantaCruzArgentinaMember |  |  |  |  |  |
El Trumai Tenements in Santa Cruz, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 1,534,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_ElTrumaiTenementsLocatedInSantaCruzArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
Martes 13 Tenements in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 3,568,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_Martes13TenementsLocatedInSantaCruzArgentinaMember |  | 3,568,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_Martes13TenementsLocatedInSantaCruzArgentinaMember |  |  |  |  |  |
Martes 13 Tenements in Santa Cruz, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 3,568,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_Martes13TenementsLocatedInSantaCruzArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
Celestina Tenements in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 1,753,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_CelestinaTenementsLocatedInSantaCruzArgentinaMember |  | 1,753,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_CelestinaTenementsLocatedInSantaCruzArgentinaMember |  |  |  |  |  |
Celestina Tenements in Santa Cruz, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 1,753,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_CelestinaTenementsLocatedInSantaCruzArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
Other Argentina exploration properties in Santa Cruz, Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 7,601,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_OtherArgentinaExplorationPropertiesLocatedInSantaCruzArgentinaMember |  | 7,601,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_OtherArgentinaExplorationPropertiesLocatedInSantaCruzArgentinaMember |  |  |  |  |  |
Other Argentina exploration properties in Santa Cruz, Argentina | Argentina |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 7,601,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_OtherArgentinaExplorationPropertiesLocatedInSantaCruzArgentinaMember / us-gaap_StatementBusinessSegmentsAxis = mux_ArgentinaReportableSegmentMember |  |  |  |  |  |  |  |  |
North Battle Mountain Complex Located in Nevada, United States |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests | 2,227,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember | 4,148,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember |  | 4,148,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember |  | 2,227,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember |  |  |  |
Impairment charges | 1,900,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember |  |  |  |  |  |  |  |  |
North Battle Mountain Complex Located in Nevada, United States | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 1,921,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  | 14,044,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |
North Battle Mountain Complex Located in Nevada, United States | Option agreement |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  | 14,000,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_TypeOfArrangementAxis = mux_ExplorationEarnInJointVentureOptionAgreementMember |  |  |  |  |  |  |
Recovery of deferred income tax |  |  | 4,900,000 mux_DeferredIncomeTaxOnImpairmentOfMineralProperties / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_TypeOfArrangementAxis = mux_ExplorationEarnInJointVentureOptionAgreementMember |  |  |  |  |  |  |
Option to earn interest in property after incurring specified cumulative project related expenditures (as a percent) |  |  |  |  |  |  |  |  | 51.00%mux_MineralPropertyJointVentureOptionToEarnInterestInPropertyOnSatisfyingSpecifiedCondition / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_TypeOfArrangementAxis = mux_ExplorationEarnInJointVentureOptionAgreementMember |
Cumulative project related expenditures to be incurred to earn interest in property |  |  |  |  |  |  |  |  | 2,400,000 mux_MineralPropertyJointVentureAmountOfCumulativeProjectRelatedExpendituresToEarnInterestInProperty / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_TypeOfArrangementAxis = mux_ExplorationEarnInJointVentureOptionAgreementMember |
Mineral property interest, carrying value before impairment |  |  | 18,200,000 mux_MineralPropertyInterestsCarryingValueBeforeImpairmentCharge / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_TypeOfArrangementAxis = mux_ExplorationEarnInJointVentureOptionAgreementMember |  |  |  |  |  |  |
Implied value of the option agreement |  |  | 4,200,000 mux_MineralPropertyJointVentureIntrinsicValueOfOption / mux_MineralPropertyNameAxis = mux_NorthBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_TypeOfArrangementAxis = mux_ExplorationEarnInJointVentureOptionAgreementMember |  |  |  |  |  |  |
East Battle Mountain Complex Located in Nevada, United States |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests |  | 4,060,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_EastBattleMountainComplexLocatedInNevadaUnitedStatesMember |  | 4,060,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_EastBattleMountainComplexLocatedInNevadaUnitedStatesMember |  |  |  |  |  |
East Battle Mountain Complex Located in Nevada, United States | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 4,060,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_EastBattleMountainComplexLocatedInNevadaUnitedStatesMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |  |  |
Tonkin Complex |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Undiscounted estimated reclamation costs | 2,600,000 us-gaap_AccruedReclamationCostsCurrent / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  |  |  |  | 2,600,000 us-gaap_AccruedReclamationCostsCurrent / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  |  |  |
Mineral property interests | 20,423,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_TonkinComplexMember | 51,946,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  | 51,946,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  | 20,423,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  |  |  |
Impairment charges | 25,400,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  |  |  |  |  |  |  |  |
Tonkin Complex | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 31,391,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_TonkinComplexMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |  |  |
Tonkin Complex | Asset retirement obligation |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Credit adjusted risk free rate (as a percent) | 8.70%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_TonkinComplexMember | 8.70%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_TonkinComplexMember | 8.70%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  |  |  |  |  |  |
Inflation rate (as a percent) | 3.00%mux_FairValueAssumptionsInflationRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_TonkinComplexMember | 3.00%mux_FairValueAssumptionsInflationRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_TonkinComplexMember | 3.00%mux_FairValueAssumptionsInflationRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_TonkinComplexMember |  |  |  |  |  |  |
Gold Bar Complex |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests | 51,577,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_GoldBarComplexMember | 77,012,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_GoldBarComplexMember |  | 77,012,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_GoldBarComplexMember |  | 51,577,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_GoldBarComplexMember |  |  |  |
Impairment charges | 31,400,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_GoldBarComplexMember |  |  |  |  |  |  |  |  |
Gold Bar Complex | Nevada |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges | 25,435,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_GoldBarComplexMember / us-gaap_SubsegmentsAxis = mux_NevadaSubsegmentMember |  |  |  |  |  |  |  |  |
El Gallo in Mexico | Asset retirement obligation |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Credit adjusted risk free rate (as a percent) | 6.40%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_MagistralMineMember | 6.40%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_MagistralMineMember |  |  |  |  |  |  |  |
Inflation rate (as a percent) | 4.10%mux_FairValueAssumptionsInflationRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_MagistralMineMember |  | 3.80%mux_FairValueAssumptionsInflationRate / us-gaap_FairValueByLiabilityClassAxis = mux_AssetRetirementObligationsMember / mux_MineralPropertyNameAxis = mux_MagistralMineMember |  |  |  |  |  |  |
El Gallo 2 Properties |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Mineral property interests | 3,482,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexTwoProjectMember | 3,482,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexTwoProjectMember |  | 3,482,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexTwoProjectMember |  | 3,482,000 us-gaap_MineralPropertiesNet / mux_MineralPropertyNameAxis = mux_ElGalloComplexTwoProjectMember |  |  |  |
Impairment charges |  |  | 1,300,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_ElGalloComplexTwoProjectMember |  |  |  |  |  |  |
El Gallo 2 Properties | Mexico |  |  |  |  |  |  |  |  |  |
Mineral Property Interests |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  | $ 1,343,000 us-gaap_AssetImpairmentCharges / mux_MineralPropertyNameAxis = mux_ElGalloComplexTwoProjectMember / us-gaap_StatementBusinessSegmentsAxis = mux_MexicoReportableSegmentMember |  |  |  |  |  |  |

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- Definition Current portion of reclamation reserve to restore a mining or drilling site to the condition agreed upon within the mining or drilling contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -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 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6911-107765 + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Asset Retirement Obligation -URI http://asc.fasb.org/extlink&oid=6505190 + Details
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- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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