Stock Compensation Plans - Summary of Stock-Based Compensation Cost and Related Tax Benefits (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Share-Based Payment Arrangement [Abstract] | |||
| Stock based compensation cost | $ 1,828 | $ 1,188 | $ 785 |
| Related tax benefits | $ 420 | $ 264 | $ 173 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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