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Restricted Stock Awards - Additional Information (Detail) - Restricted Stock Awards [Member] $ in Millions | 9 Months Ended
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Jun. 30, 2025 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Unrecognized compensation cost related to non-vested restricted stock awards | $ 23.1
Weighted average period unrecognized compensation costs related to non-vested restricted awards are expected to be recognized | 2 years
Minimum [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Vesting periods of restricted stock award | 2 years
Percentage of actual amount of award earned based on actual specified performance target met | 0.00%
Maximum [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Vesting periods of restricted stock award | 4 years
Percentage of actual amount of award earned based on actual specified performance target met | 175.00%

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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