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Marketable Securities -Summary Of Detailed Information About Disposal Of Marketable Securities (Detail)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
CAD ($)
Disclosure Of Marketable Securities [line Items]  
Fair value at December 31, 2022 $ 5,775
Acquired during the period 2,000
Fair value adjustment (900)
Disposals due to deconsolidation of IsoEnergy (6,875)
Fair Value at December 31, 2023 0
92 Energy  
Disclosure Of Marketable Securities [line Items]  
Fair value at December 31, 2022 4,253
Acquired during the period 0
Fair value adjustment (492)
Disposals due to deconsolidation of IsoEnergy (3,761)
Fair Value at December 31, 2023 0
Consolidated Uranium  
Disclosure Of Marketable Securities [line Items]  
Fair value at December 31, 2022 1,458
Acquired during the period 0
Fair value adjustment 378
Disposals due to deconsolidation of IsoEnergy (1,836)
Fair Value at December 31, 2023 0
Latitude Uranium Sahres  
Disclosure Of Marketable Securities [line Items]  
Fair value at December 31, 2022 64
Acquired during the period 1,581
Fair value adjustment (581)
Disposals due to deconsolidation of IsoEnergy (1,064)
Fair Value at December 31, 2023 0
Latitude Uranium Warrants  
Disclosure Of Marketable Securities [line Items]  
Fair value at December 31, 2022 0
Acquired during the period 419
Fair value adjustment (205)
Disposals due to deconsolidation of IsoEnergy (214)
Fair Value at December 31, 2023 $ 0