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Mineral Interests, Property and Equipment (Details) - Schedule of mineral interest, property and equipment - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cost    
Cost, Beginning Balance $ 662,553 $ 591,753
Cost, Additions 220,563 70,800
Cost, Ending Balance 883,116 662,553
Accumulated Depreciation    
Accumulated Depreciation, Beginning Balance 274 72
Accumulated Depreciation, Depreciation expense 1,345 [1] 202
Accumulated Depreciation, Ending Balance 1,619 274
Net Book Value    
Net Book Value 881,497 662,279
Mineral interests [Member]    
Cost    
Cost, Beginning Balance 632,005 591,446
Cost, Additions 55,069 40,559
Cost, Ending Balance 687,074 632,005
Accumulated Depreciation    
Accumulated Depreciation, Beginning Balance
Accumulated Depreciation, Depreciation expense [1]
Accumulated Depreciation, Ending Balance
Net Book Value    
Net Book Value 687,074 632,005
Construction in progress [Member]    
Cost    
Cost, Beginning Balance 27,061
Cost, Additions 120,287 27,061
Cost, Ending Balance 147,348 27,061
Accumulated Depreciation    
Accumulated Depreciation, Beginning Balance
Accumulated Depreciation, Depreciation expense [1]
Accumulated Depreciation, Ending Balance
Net Book Value    
Net Book Value 147,348 27,061
Property & Equipment [Member]    
Cost    
Cost, Beginning Balance [1] 3,080
Cost, Additions [1] 43,177 3,080
Cost, Ending Balance [1] 46,257 3,080
Accumulated Depreciation    
Accumulated Depreciation, Beginning Balance [1] 117
Accumulated Depreciation, Depreciation expense [1] 953 117
Accumulated Depreciation, Ending Balance [1] 1,070 117
Net Book Value    
Net Book Value [1] 45,187 2,963
Right-of-use assets [Member]    
Cost    
Cost, Beginning Balance [1] 407 307
Cost, Additions [1] 2,030 100
Cost, Ending Balance [1] 2,437 407
Accumulated Depreciation    
Accumulated Depreciation, Beginning Balance [1] 157 72
Accumulated Depreciation, Depreciation expense [1] 392 85
Accumulated Depreciation, Ending Balance [1] 549 157
Net Book Value    
Net Book Value [1] $ 1,888 $ 250
[1] Depreciation expense related to camps, equipment, and right-of-use assets associated with the KSM construction is capitalized to construction in progress.