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Leases - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2024 | Oct. 31, 2023 | Apr. 30, 2024
Leases [Abstract] |  |  |  |  |
Right of use assets | $ 6,941 |  | $ 6,941 |  | $ 7,454
Operating cash paid to settle lease liabilities |  |  | $ 1,334 | $ 1,282 |
Remaining lease term (in years) |  |  | 7 years |  |
Option to extend, term (in years) |  |  | 5 years |  |
Option to terminate, term (in years) |  |  | 1 year |  |
Operating lease, expense | 878 | $ 847 | $ 1,760 | 1,714 |
Operating lease, short term, expense | $ 202 | $ 204 | $ 426 | $ 432 |
Weighted average remaining lease term, operating lease (in years) | 3 years 10 months 24 days |  | 3 years 10 months 24 days |  |
Weighted average discount rate, operating lease | 5.40% |  | 5.40% |  |
Weighted average remaining lease term, finance lease (in years) | 4 years 6 months |  | 4 years 6 months |  |
Weighted average discount rate, finance lease | 8.70% |  | 8.70% |  |

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