Mineral Properties - Schedule of Mineral Properties (Details) $ in Thousands |
3 Months Ended |
|---|---|
|
Jul. 31, 2026
USD ($)
| |
| Mineral Industries Disclosures [Abstract] | |
| Carrying value, April 30, 2026 | $ 0 |
| Additions from Sweetwater Acquisition (Note 3) | 1,300,529 |
| Depletion | (150) |
| Carrying value, July 31, 2026 | $ 1,300,379 |