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Modifications BFD - Payment Status (Details) - Aging Loan Modification Member - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 58,262	$ 23,801
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	34	1,164
Commercial And Industrial [Member] | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	10,467	7,409
Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Commercial And Industrial [Member] | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	504
Commercial Real Estate [Member] | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	43,731	16,252
Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Commercial Real Estate [Member] | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	660
Construction [Member] | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,488
Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0
Construction [Member] | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0
Small Business [Member] | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	146	140
Small Business [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Small Business [Member] | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	34	$ 0
Residential Real Estate [Member] | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	297
Residential Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0
Residential Real Estate [Member] | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0
Home Equity Loan [Member] | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	133
Home Equity Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0
Home Equity Loan [Member] | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 0

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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