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Share Capital (Details) - USD ($) $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 15, 2024 | Jul. 15, 2022 | Jul. 31, 2023 | Jul. 31, 2024 | Jul. 31, 2023 | Jul. 31, 2024 | Jul. 31, 2023
Share Capital |  |  |  |  |  |  |
Proceeds from stock options exercised |  |  |  | $ 3,300 | $ 600 | $ 7,500 | $ 6,000
Payments to satisfy employee tax withholding net share settlements |  |  |  |  |  | $ 6,745 | $ 4,886
PSU and RSU |  |  |  |  |  |  |
Share Capital |  |  |  |  |  |  |
Employee tax withholding for net share settlements |  |  |  | 0 | 0 | 73,588 | 63,330
Payments to satisfy employee tax withholding net share settlements |  |  |  | $ 0 | $ 0 | $ 6,700 | $ 4,900
2022 Base Shelf Prospectus |  |  |  |  |  |  |
Share Capital |  |  |  |  |  |  |
Shelf prospectus period (month) |  | 25 months |  |  |  |  |
Stock issued during period, shares, new issues (in shares) |  |  | 0 |  |  |  |
2024 Base Shelf Prospectus |  |  |  |  |  |  |
Share Capital |  |  |  |  |  |  |
Shelf prospectus period (month) | 25 months |  |  |  |  |  |
Stock issued during period, shares, new issues (in shares) | 0 |  |  |  |  |  |

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