Commitments and Contingencies (Details)	12 Months Ended
Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Commitments and Contingencies Disclosure [Abstract]
ACL on unfunded commitments	$ 327,000	$ 332,000
Employee severance compensation plan, employee minimum service requirement (in years)	2 years
Employee severance compensation plan, period following effective date of a change in company control (in months)	12 months
Employee severance compensation plan, eligible payment, maximum compensation term (in months)	18 months
Employee severance compensation plan, annual compensation multiplier	2.99
Employee severance compensation plan, period following effective date of change in control for eligible severance benefits (in years)	5 years

Employee Severance Compensation Plan, Annual Compensation Multiplier

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Employee Severance Compensation Plan, Eligible Payment, Maximum Compensation Term

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Employee Severance Compensation Plan, Employee Service Requirement

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Employee Severance Compensation Plan, Period Following Effective Date Of A Change In Company Control

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Employee Severance Compensation Plan, Period Following Effective Date Of Change In Control For Eligible Severance Benefits

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