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SUPPLEMENTAL FINANCIAL INFORMATION (Details 1) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 CAD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CAD ($) | Dec. 31, 2020 USD ($)
Statement [Line Items] |  |  |  |
Other gains (losses) | $ 44,163,000 | $ 44,163 | $ (95,000) |
Types Of Instruments [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | 10,454 |  | $ 5,046
Share Purchase Warrants Issue Expense |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | (791) | 0 |
Gains (Losses) on: Disposal of Property, Plant and Equipment |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | 135 | 405,000 |
Fair Value Changes Investments Uranium |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | 41,440 |  |
Fair Value Changes: Warrants On Investment |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | 1,149 | 0 |
Fair Value Changes: Share Purchase Warrants |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | (7,104) | 0 |
Gains (Losses) on: Foreign Exchange |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | (1,295) | (529,000) |
Gains (Losses) on: Other |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | (191) | (574,000) |
Uranium Investment Carrying Charges |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | (223) | 0 |
Reclamation Obligation Adjustments |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | 585 | (3,595,000) |
Debt Obligation Adjustments |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) |  | $ 4 | 2,000 |
Legal Settlement |  |  |  |
Statement [Line Items] |  |  |  |
Other gains (losses) | $ 0 |  | $ (850,000) |

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