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Share-Based Compensation - Share-Based Compensation Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Apr. 30, 2026 | Apr. 30, 2025
Share-based Compensation [Abstract] |  |
Restricted Stock Awards and Restricted Stock Units | $ 564 | $ 281
Stock-Settled Performance Awards | (175) | 0
Employee Stock Purchase Plan | 0 | 25
Total | $ 389 | $ 306

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- Definition Employee stock purchase plan expense. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Stock settled performance awards. + References No definition available. + Details
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- Definition Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- References No definition available. + Details
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