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Mineral Properties - Acquisitions (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 1 Months Ended |
|---|---|---|
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Dec. 31, 2005
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Dec. 31, 2013
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| Nfu Wyoming Llc [Member] | ||
| Percentage of asset acquired |
100.00%urg_MineralPropertiesAcquiredPercentage / us-gaap_BusinessAcquisitionAxis = urg_NfuWyomingLlcMember |
|
| Aggregate consideration |
$ 20.0us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = urg_NfuWyomingLlcMember |
|
| Pathfinder Mines Corporation [Member] | ||
| Aggregate consideration |
6.6us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = urg_PathfinderMinesCorporationMember |
|
| Estimated asset reclamation obligation |
5.7us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = urg_PathfinderMinesCorporationMember |
|
| Deferred tax liabilities |
3.3us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = urg_PathfinderMinesCorporationMember |
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| Mineral properties |
$ 15.3us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = urg_PathfinderMinesCorporationMember |
|
| Percentage Of Production Royalty On Acquisition |
5.00%urg_PercentageOfProductionRoyaltyOnAcquisition / us-gaap_BusinessAcquisitionAxis = urg_PathfinderMinesCorporationMember |
| X | ||||||||||
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- Definition
This element represents that Mineral Properties Acquired Percentage. No definition available.
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| X | ||||||||||
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- Definition
Percentage Of Production Royalty On Acquisition No definition available.
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| X | ||||||||||
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of property, plant, and equipment recognized as of the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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- Details
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