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Convertible Debentures - Summary of Detailed Information about Convertible Debentures, Valuation Assumptions (Detail) |  |  | 12 Months Ended
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Dec. 04, 2023 $ / shares | Sep. 22, 2023 $ / shares | Dec. 31, 2023 $ / shares | Dec. 31, 2022 $ / shares
2023 Debentures |  |  |  |
Convertible debentures [line items] |  |  |  |
Volatility |  | 45.00% | 43.00% |
Expected life in years |  | 5.0 years | 4.7 years |
Risk free interest rate |  | 4.63% | 3.84% |
Expected dividend yield |  | 0.00% | 0.00% |
Credit spread |  | 17.16% | 16.60% |
Underlying Share Prices |  | $ 6.12 | $ 7 |
Conversion exercise price |  | $ 6.76 | $ 6.76 |
2020 IsoEnergy Debentures |  |  |  |
Convertible debentures [line items] |  |  |  |
Volatility | 54.00% |  |  | 52.80%
Expected life in years | 1.7 years |  |  | 2.6 years
Risk free interest rate | 4.18% |  |  | 4.27%
Expected dividend yield | 0.00% |  |  | 0.00%
Credit spread | 22.22% |  |  | 23.85%
Underlying Share Prices | $ 4.13 |  |  | $ 2.91
Conversion exercise price | $ 0.88 |  |  | $ 0.88
Exchange rate (C$:US$) | 0.739 |  |  | 0.738
2022 IsoEnergy Debentures |  |  |  |
Convertible debentures [line items] |  |  |  |
Volatility | 54.00% |  |  | 52.80%
Expected life in years | 4.0 years |  |  | 4.9 years
Risk free interest rate | 3.96% |  |  | 3.76%
Expected dividend yield | 0.00% |  |  | 0.00%
Credit spread | 22.22% |  |  | 23.85%
Underlying Share Prices | $ 4.13 |  |  | $ 2.91
Conversion exercise price | $ 4.33 |  |  | $ 4.33
Exchange rate (C$:US$) | 0.739 |  |  | 0.738

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