Other Comprehensive Income (Loss) - AOCI (Details) - USD ($) $ in Thousands |
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2022 |
Sep. 30, 2021 |
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| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||
| Less tax effect of other comprehensive income (loss) items | $ (2,384) | $ (5,991) | $ (5,575) | |
| Total stockholders’ equity | 573,740 | 516,574 | 455,879 | $ 408,899 |
| Accumulated Other Comprehensive (Loss) Income, net | ||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||
| Accumulated other comprehensive income, net of tax | 9,852 | 25,533 | 23,761 | |
| Total stockholders’ equity | 7,502 | 18,694 | 17,620 | $ (23) |
| Available-for-sale securities | ||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||
| Accumulated other comprehensive income, net of tax | $ 34 | $ (848) | $ (566) |
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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 before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, attributable to parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). No definition available.
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- Definition Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent. No definition available.
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- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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