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Leases - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 31, 2026 | Jan. 31, 2025 | Jan. 31, 2026 | Jan. 31, 2025 | Dec. 31, 2025 | Apr. 30, 2025
Leases [Abstract] |  |  |  |  |  |
Right of use assets | $ 10,449 |  | $ 10,449 |  |  | $ 12,965
Operating cash paid to settle lease liabilities |  |  | $ 3,250 | $ 2,376 |  |
Remaining lease term (in years) |  |  | 6 years |  |  |
Option to extend, term (in years) |  |  | 5 years |  |  |
Option to terminate, term (in years) |  |  | 1 year |  |  |
Operating lease, expense | 1,508 | $ 1,306 | $ 4,566 | 3,066 |  |
Operating lease, short term, expense | $ 423 | $ 264 | $ 1,316 | $ 691 |  |
Weighted average remaining lease term, operating lease (in years) | 3 years 6 months |  | 3 years 6 months |  |  |
Weighted average discount rate, operating lease | 6.20% |  | 6.20% |  |  |
Weighted average remaining lease term, finance lease (in years) | 4 years 8 months 12 days |  | 4 years 8 months 12 days |  |  |
Weighted average discount rate, finance lease | 7.60% |  | 7.60% |  |  |
Unrecorded unconditional purchase obligation, including lease not yet commenced, total |  |  |  |  | $ 1,000 |
Lessee, operating lease, lease not yet commenced, term of contract |  |  |  |  | 2 years |

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 + Details
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