Income Taxes - Summary of Reconciliation Income Tax Provision from the Statutory Federal Income Tax Rate (Detail) - USD ($) |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Income Tax Paid, by Individual Jurisdiction [Line Items] | ||||||
| Income taxes at federal statutory rate | $ 30,058,000 | $ 25,373,000 | $ 19,971,000 | |||
| Tax Jurisdiction of Domicile [Extensible Enumeration] | Total | |||||
| Income taxes at federal statutory rate Percent | 21.00% | |||||
| State income taxes, net of federal benefit | $ 6,047,000 | [1] | 4,937,000 | 3,369,000 | ||
| State income taxes, net of federal benefit | [1] | 4.22% | ||||
| Tax credits | $ (1,262,000) | |||||
| Tax credits Percent | (0.88%) | |||||
| Uncertain tax positions | 9,000 | (22,000) | ||||
| Stock-based compensation | $ (2,640,000) | (3,687,000) | (3,961,000) | |||
| Stock-based compensation Percent | (1.84%) | |||||
| limitation and Permanent items | $ 1,065,000 | (568,000) | (480,000) | |||
| Permanent items Percent | 0.74% | |||||
| Adjustments to returns as filed | (420,000) | 67,000 | ||||
| Valuation allowance | $ 38,000 | 15,000 | (95,000) | |||
| Change in valuation allowance Percent | 0.03% | |||||
| Unrecognized Tax Benefits | $ 33,000 | |||||
| Unrecognized Tax Benefits Percent | 0.02% | |||||
| Deferred tax adjustment | $ (552,000) | |||||
| Deferred tax adjustment Percent | (0.38%) | |||||
| Total | $ 32,787,000 | $ 25,659,000 | $ 18,849,000 | |||
| Effective Income Tax Rate | 22.91% | |||||
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- Definition Effective Income Tax Rate Reconciliation Deferred Tax Adjustment Percent No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Stock-based compensation, Amount No definition available.
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- Definition Income Tax Permanent Items Percent No definition available.
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- Definition Income Tax Reconciliation Deferred Tax Adjustment Amount No definition available.
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- Definition Unrecognized Tax Benefits Percent No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates tax jurisdiction of domicile. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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