XML 56 R31.htm IDEA: XBRL DOCUMENT
v3.20.4

Restricted Cash (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Restricted Cash (Tables) |
Schedule of Restricted Cash |
Restricted Cash |  | December 31, 2020 |  |  | December 31, 2019 |
Cash pledged for reclamation |  |  | 7,859 |  |  |  | 7,812 |
|  |  | 7,859 |  |  |  | 7,812 |

X
- References No definition available. + Details
Name: | urg_ScheduleOfRestrictedCashTableTextBlock
Namespace Prefix: | urg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ExtraordinaryAndUnusualItemsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration