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Loans - Modified Loans Past Due (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | ---
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | $ 8,998 |
Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 8,998 |
30-89 Days Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 |
90 Days or Greater Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 |
Commercial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 8,998 | $ 5,517
Commercial | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 8,998 | 5,517
Commercial | 30-89 Days Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 | 0
Commercial | 90 Days or Greater Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 | 0
Commercial | Owner occupied real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 3,986 | 2,762
Commercial | Owner occupied real estate | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 3,986 | 2,762
Commercial | Owner occupied real estate | 30-89 Days Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 | 0
Commercial | Owner occupied real estate | 90 Days or Greater Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 | 0
Commercial | Non–owner occupied real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 2,371 |
Commercial | Non–owner occupied real estate | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 2,371 |
Commercial | Non–owner occupied real estate | 30-89 Days Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 |
Commercial | Non–owner occupied real estate | 90 Days or Greater Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 |
Commercial | Commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 2,641 | 2,755
Commercial | Commercial and industrial | Current |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 2,641 | 2,755
Commercial | Commercial and industrial | 30-89 Days Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | 0 | 0
Commercial | Commercial and industrial | 90 Days or Greater Past Due |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Total | $ 0 | $ 0

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