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MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS (Details) (USD $) | 12 Months Ended |  | 12 Months Ended | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 3 Months Ended |  |  | 12 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 MSC | Dec. 31, 2013 Argentina | Dec. 31, 2012 Argentina | Dec. 31, 2013 Mexico | Dec. 31, 2012 Mexico | Dec. 31, 2011 Mexico | Dec. 31, 2013 Telken Tenements Argentina | Dec. 31, 2013 Este Tenements Argentina | Dec. 31, 2013 Piramides Tenements Argentina | Dec. 31, 2013 Tobias Tenements Argentina | Dec. 31, 2012 Property, plant and equipment Argentina | Dec. 31, 2013 Other United States Properties | Dec. 31, 2012 Other United States Properties | Dec. 31, 2013 Other United States Properties Nevada | Dec. 31, 2012 Other United States Properties Nevada | Dec. 31, 2013 Limo Complex | Dec. 31, 2012 Limo Complex | Dec. 31, 2013 Limo Complex Nevada | May 31, 2013 Limo Complex Sale agreement | Dec. 31, 2013 Limo Complex Sale agreement | Dec. 31, 2013 El Gallo 1 mine | Dec. 31, 2012 El Gallo 1 mine | Dec. 31, 2013 El Gallo 1 mine Gold equivalents oz | Dec. 31, 2013 Tonkin property and El Gallo 1 mine portion of the El Gallo Complex Item | Sep. 30, 2013 West Battle Mountain Complex | Dec. 31, 2013 West Battle Mountain Complex | Dec. 31, 2012 West Battle Mountain Complex | Dec. 31, 2013 West Battle Mountain Complex Nevada | Jun. 30, 2013 Exploration properties in Santa Cruz, Argentina | Dec. 31, 2013 Exploration properties in Santa Cruz, Argentina | Oct. 31, 2013 Exploration properties in Santa Cruz, Argentina Vend-in agreement MSC | Dec. 31, 2013 Mexico property interests | Dec. 31, 2013 Other Argentina exploration properties in San Juan, Argentina | Dec. 31, 2012 Other Argentina exploration properties in San Juan, Argentina | Dec. 31, 2013 Cerro Mojon Tenements in Santa Cruz, Argentina | Dec. 31, 2012 Cerro Mojon Tenements in Santa Cruz, Argentina | Dec. 31, 2013 Los Azules Copper Project | Dec. 31, 2012 Los Azules Copper Project | Dec. 31, 2012 Telken Tenements in Santa Cruz, Argentina | Dec. 31, 2012 Este Tenements in Santa Cruz, Argentina | Dec. 31, 2012 Piramides Tenements in Santa Cruz, Argentina | Dec. 31, 2012 Tobias Tenements in Santa Cruz, Argentina | Dec. 31, 2013 La Merced Tenements in Santa Cruz, Argentina | Dec. 31, 2012 La Merced Tenements in Santa Cruz, Argentina | Dec. 31, 2013 Cabeza de Vaca Tenements in Santa Cruz, Argentina | Dec. 31, 2012 Cabeza de Vaca Tenements in Santa Cruz, Argentina | Dec. 31, 2013 El Trumai Tenements in Santa Cruz, Argentina | Dec. 31, 2012 El Trumai Tenements in Santa Cruz, Argentina | Dec. 31, 2013 Martes 13 Tenements in Santa Cruz, Argentina | Dec. 31, 2012 Martes 13 Tenements in Santa Cruz, Argentina | Dec. 31, 2013 Celestina Tenements in Santa Cruz, Argentina | Dec. 31, 2012 Celestina Tenements in Santa Cruz, Argentina | Dec. 31, 2013 Other Argentina exploration properties in Santa Cruz, Argentina | Dec. 31, 2012 Other Argentina exploration properties in Santa Cruz, Argentina | Dec. 31, 2013 North Battle Mountain Complex in Nevada, United States | Dec. 31, 2012 North Battle Mountain Complex in Nevada, United States | Dec. 31, 2012 North Battle Mountain Complex in Nevada, United States Nevada | Nov. 30, 2012 North Battle Mountain Complex in Nevada, United States Option agreement | Dec. 31, 2012 North Battle Mountain Complex in Nevada, United States Option agreement | Dec. 31, 2013 East Battle Mountain Complex in Nevada, United States | Dec. 31, 2012 East Battle Mountain Complex in Nevada, United States | Dec. 31, 2013 Tonkin Complex | Dec. 31, 2012 Tonkin Complex | Dec. 31, 2013 Tonkin Complex Asset retirement obligation | Dec. 31, 2012 Tonkin Complex Asset retirement obligation | Dec. 31, 2011 Tonkin Complex Asset retirement obligation | Dec. 31, 2013 Gold Bar Complex | Dec. 31, 2012 Gold Bar Complex | Dec. 31, 2013 El Gallo in Mexico Asset retirement obligation | Dec. 31, 2012 El Gallo in Mexico Asset retirement obligation | Dec. 31, 2011 El Gallo in Mexico Asset retirement obligation | Dec. 31, 2012 El Gallo 2 Properties | Dec. 31, 2013 El Gallo 2 Properties | Dec. 31, 2012 El Gallo 2 Properties Mexico | Dec. 31, 2013 Limo Complex and Other United States Properties
Mineral Property Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quantity produced (in ounces) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,129 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of most significant properties subject to reclamation obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Undiscounted estimated reclamation costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash bonding for mineral properties in the United States | 5,183,000 | 5,183,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of mineral property interests and asset retirement obligations | 1,530,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price of mineral property interests under the sale agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value of mineral property interest | 642,968,000 | 767,067,000 | 245,454,000 |  | 458,203,000 | 539,092,000 | 11,984,000 | 12,707,000 | 12,750,000 |  |  |  |  |  | 9,610,000 | 19,107,000 |  |  | 23,438,000 | 50,098,000 |  | 7,200,000 |  | 8,502,000 | 8,126,000 |  |  | 6,300,000 | 2,567,000 | 8,854,000 |  |  |  | 53,200,000 |  | 7,818,000 | 7,818,000 | 1,971,000 | 1,971,000 | 431,190,000 | 431,190,000 | 40,234,000 | 8,121,000 | 14,815,000 | 17,719,000 | 1,891,000 | 1,891,000 | 877,000 | 877,000 | 1,534,000 | 1,534,000 | 3,568,000 | 3,568,000 | 1,753,000 | 1,753,000 | 7,601,000 | 7,601,000 | 4,148,000 | 4,148,000 |  |  |  | 4,060,000 | 4,060,000 | 51,946,000 | 51,989,000 |  |  |  | 77,012,000 | 77,012,000 |  |  |  | 4,581,000 | 3,482,000 |  |
Loss on sale of assets, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss (gain) on sale of assets | 6,743,000 | (1,110,000) | (36,000) |  | 316,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,400,000 |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment charges | 62,963,000 | 18,468,000 |  | 95,878,000 | 27,729,000 | 179,000 |  | 1,343,000 |  | 13,792,000 | 2,784,000 | 5,079,000 | 6,074,000 | 179,000 | 9,497,000 | 2,900,000 | 9,497,000 | 2,902,000 | 19,450,000 |  | 19,450,000 |  |  |  |  |  |  | 6,300,000 |  |  | 6,287,000 | 27,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,044,000 |  | 14,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  | 1,343,000 | 28,900,000
Recovery of deferred income tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,500,000 |  |  |  |  | 2,200,000 |  |  |  |  | 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,100,000
Net impairment charge |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,100,000 |  |  |  |  | 25,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,800,000
Option to earn interest in property after incurring specified cumulative project related expenditures (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative project related expenditures to be incurred to earn interest in property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mineral property interest, carrying value before impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Implied value of the option agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax liability related to mineral properties transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration and related expenditure costs | 24,829,000 | 47,179,000 | 42,983,000 |  | 14,776,000 | 25,091,000 | 6,658,000 | 15,918,000 | 29,160,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of mineral property interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit adjusted risk free rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.70% | 8.70% | 8.70% |  |  | 6.40% | 6.40% | 6.40% |  |  |  |
Inflation rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% | 3.00% | 3.00% |  |  | 3.80% | 3.80% | 3.80% |  |  |  |
Amortization of asset retirement obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in the asset retirement obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset retirement obligation liability - opening balance | 6,359,000 | 6,253,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlements | (60,000) | (47,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of liability | 461,000 | 447,000 | 524,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment reflecting updated estimates | 487,000 | (294,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset retirement obligation liability - ending balance | 7,247,000 | 6,359,000 | 6,253,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of the asset retirement obligation | $ 1,392,000 | $ 130,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Represents the net impairment charge. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the amount of amortization expense related to the capitalized asset retirement costs. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the amount of deferred income tax recovery on impairment of mineral properties. + References No definition available. + Details
Name: | mux_DeferredIncomeTaxOnImpairmentOfMineralProperties
Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Represents the quantity of physical commodities produced by the entity during the period. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

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- Definition Inflation rate assumption used in valuing an instrument. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of gain (loss), net of tax, on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Details
Name: | mux_MineralPropertyInterestLineItems
Namespace Prefix: | mux_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the amount of amortization expense related to the mineral property interests. + References No definition available. + Details
Name: | mux_MineralPropertyInterestsAmortization
Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the amount of amortization expense related to the mineral property interests and capitalized asset retirement costs. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the carrying value of the mineral property interest before impairment charge. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents the amount of cumulative project related expenditures required to be incurred before a specified period to earn interest in property per the terms of the joint venture option agreement. + References No definition available. + Details
Name: | mux_MineralPropertyJointVentureAmountOfCumulativeProjectRelatedExpendituresToEarnInterestInProperty
Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of difference between fair value and current value of the property underlying the joint venture option agreement. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents the percentage of interest in the property, which will be available to the entity after satisfying specified amount of cumulative project related expenditures as required per the terms of the joint venture option agreement. + References No definition available. + Details
Name: | mux_MineralPropertyJointVentureOptionToEarnInterestInPropertyOnSatisfyingSpecifiedCondition
Namespace Prefix: | mux_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the number of properties of the entity which are subject to reclamation obligations. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents the price of mineral property interests under the sale agreement. + References No definition available. + Details
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Namespace Prefix: | mux_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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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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- Definition Current portion of 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 + Details
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- Definition Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of the Increase or Decrease in the amount of the asset retirement obligation during the current period for changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. + 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)(4) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). + References No definition available. + Details
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- Definition Exploration expenses (including prospecting) related to the mining industry would be included in operating expenses. Exploration costs include costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of mineral reserves. + References No definition available. + Details
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- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + 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 + Details
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- Definition Mineral properties, net of adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6474861&loc=d3e64895-109465 + Details
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