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v3.22.1

Asset Retirement Obligations (Details Narrative) | 3 Months Ended
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Mar. 31, 2022
Minimum [Member] |
Discount Rate Of Asset Retirement Obligations | 0.33%
Reclamation Cost Escalated Inflation Rate | 0.74%
Maximum [Member] |
Discount Rate Of Asset Retirement Obligations | 7.25%
Reclamation Cost Escalated Inflation Rate | 2.44%

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Namespace Prefix: | urg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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Name: | urg_ReclamationCostEscalatedInflationRate
Namespace Prefix: | urg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |