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Loans by Type - Summary of ACL by Category (Details) - USD ($) $ in Thousands | 6 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Sep. 30, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | $ 13,395 |
Ending balance | 14,296 |
Loans Excluding Unfunded Commitments |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 13,395 | $ 13,089
Provision for credit losses | 901 | 306
Ending balance | 14,296 |
Loans Excluding Unfunded Commitments | C&I |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 5,897 | 5,412
Provision for credit losses | 539 | 485
Ending balance | 6,436 |
Loans Excluding Unfunded Commitments | CRE |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 1,023 | 1,093
Provision for credit losses | 126 | (70)
Ending balance | 1,149 |
Loans Excluding Unfunded Commitments | Faith-based CRE |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 6,258 | 6,476
Provision for credit losses | 231 | (218)
Ending balance | 6,489 |
Loans Excluding Unfunded Commitments | Construction |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 217 | 108
Provision for credit losses | 5 | $ 109
Ending balance | $ 222 |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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