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v3.25.3

Stock-Based Compensation and Stock Options - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Aug. 07, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Options granted, Shares | 7,500 | 18,750 | 53,000 | 63,000 |
Stock-based compensation expense | $ 1,398,000 | $ 1,482,000 | $ 2,815,000 | $ 2,552,000 |
Time Based Options and Performance Based Options [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock-based compensation expense | $ 1,398,000 | $ 1,482,000 | $ 2,815,000 | $ 2,552,000 |
Performance Shares [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Weighted-average grant-date fair value of options granted | $ 43.31 | $ 51.91 |  |  |
Stock-based compensation expense | $ 427,000 | $ 454,000 |  |  |
Omnibus Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock grants | 1,775,459 |  | 1,775,459 |  |
Stock options outstanding, shares | 1,185,727 |  | 1,185,727 |  |
Shares of common stock remained available for future issuance | 1,775,459 |  | 1,775,459 |  |
Stock Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares of common stock remained available for future issuance |  |  |  |  | 1,775,459
Maximum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Non-statutory stock options vesting period |  |  | 36 months |  |
Minimum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Non-statutory stock options vesting period |  |  | 1 year |  |
Share-based Compensation Award, Tranche One [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting Percentage |  |  | 25.00% |  |
Share-based Compensation Award, Tranche Two [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting Percentage |  |  | 75.00% |  |

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