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Property, Plant And Equipment (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | $ 254,946 |
Acquisition by Foremost | 238 |
Reclamation adjustment | (165) | $ 3,548
Property, plant and equipment, ending | 259,661 | 254,946
Accumulated amortization, depreciation |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | (39,341) | (35,545)
Amortization | (640) | (188)
Depreciation | (4,209) | (3,944)
Disposals | 1,023 | 286
Reclamation adjustment | 103 | 50
Property, plant and equipment, ending | (43,064) | (39,341)
Cost |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 294,287 | 289,050
Additions | 10,045 | 3,268
Disposals | (1,101) | (1,529)
Reclamation adjustment | (268) | 3,498
Property, plant and equipment, ending | 302,725 | 294,287
Carrying value |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 254,946 |
Property, plant and equipment, ending | 259,661 | 254,946
Plant and Equipment Owned |  |
Property Plant And Equipments [Line Items] |  |
Acquisition by Foremost | 0 |
Plant and Equipment Owned | Accumulated amortization, depreciation |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | (38,833) | (35,150)
Amortization | (640) | (188)
Depreciation | (3,983) | (3,804)
Disposals | 605 | 259
Reclamation adjustment | 103 | 50
Property, plant and equipment, ending | (42,748) | (38,833)
Plant and Equipment Owned | Cost |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 112,705 | 108,068
Additions | 4,758 | 1,398
Disposals | (683) | (259)
Reclamation adjustment | (268) | 3,498
Property, plant and equipment, ending | 116,512 | 112,705
Plant and Equipment Owned | Carrying value |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 73,872 |
Property, plant and equipment, ending | 73,764 | 73,872
Plant and Equipment Right of Use |  |
Property Plant And Equipments [Line Items] |  |
Acquisition by Foremost | 0 |
Plant and Equipment Right of Use | Accumulated amortization, depreciation |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | (508) | (395)
Amortization | 0 | 0
Depreciation | (226) | (140)
Disposals | 418 | 27
Reclamation adjustment | 0 | 0
Property, plant and equipment, ending | (316) | (508)
Plant and Equipment Right of Use | Cost |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 769 | 763
Additions | 1,704 | 34
Disposals | (418) | (28)
Reclamation adjustment | 0 | 0
Property, plant and equipment, ending | 2,055 | 769
Plant and Equipment Right of Use | Carrying value |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 261 |
Property, plant and equipment, ending | 1,739 | 261
Mineral properties |  |
Property Plant And Equipments [Line Items] |  |
Acquisition by Foremost | 238 |
Mineral properties | Accumulated amortization, depreciation |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 0 | 0
Amortization | 0 | 0
Depreciation | 0 | 0
Disposals | 0 | 0
Reclamation adjustment | 0 | 0
Property, plant and equipment, ending | 0 | 0
Mineral properties | Cost |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 180,813 | 180,219
Additions | 3,583 | 1,836
Disposals | 0 | (1,242)
Reclamation adjustment | 0 | 0
Property, plant and equipment, ending | 184,158 | 180,813
Mineral properties | Carrying value |  |
Property Plant And Equipments [Line Items] |  |
Property, plant and equipment, beginning | 180,813 |
Property, plant and equipment, ending | $ 184,158 | $ 180,813

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