Loan Servicing Rights - Summary of Loans serviced for Freddie Mac (Details) - Freddie Mac - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Servicing Assets at Fair Value [Line Items]
Loans serviced for Freddie Mac, Principal amount	$ 369,077	$ 384,619	$ 406,727
Loans serviced for SBA, Principal amount	$ 1,482	$ 1,882	$ 3,560

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.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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