XML 68 R57.htm IDEA: XBRL DOCUMENT
v3.25.1

Mineral Properties (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 USD ($)
Mineral Properties |
Beginning balance | $ 39,380
Change in estimated reclamation costs | 74
Depletion and amortization | (271)
Ending balance | 39,183
Lost creek property |
Mineral Properties |
Beginning balance | 6,812
Depletion and amortization | (271)
Ending balance | 6,541
Shirley basin project |
Mineral Properties |
Beginning balance | 17,854
Change in estimated reclamation costs | 74
Ending balance | 17,928
Other U.S. properties |
Mineral Properties |
Beginning balance | 14,714
Ending balance | $ 14,714

X
- References No definition available. + Details
Name: | urg_ChangeInEstimatedReclamationCosts
Namespace Prefix: | urg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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: | urg_MineralPropertiesLineItems
Namespace Prefix: | urg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_AdjustmentForAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Mineral properties, net of adjustments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_MineralPropertiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=urg_LostCreekPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=urg_ShirleyBasinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=urg_OtherUSPropertiesPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |