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v3.22.2.2

Allowance for Loan Losses - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Provision (release) for credit losses | $ 3,000,000 | $ 500,000 | $ 21,750,000
Recoveries, net of charge-offs | 3,508,000 | 6,345,000 |
Allowance for loan losses | 172,808,000 | 171,300,000 | 166,955,000
SBA PPP loans | 16,113,564,000 | 13,833,570,000 |
Loans Subject to Quantitative Evaluation |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for loan losses | 115,245,000 |  |
Loans Subject to Management Qualitative Evaluation |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for loan losses | 57,563,000 |  |
Non-Performing Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing receivable, gross | $ 44,554,000 | $ 43,625,000 |
Ratio of non-performing assets to total assets | 0.21% | 0.22% |
Financial Asset Originated |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Non-accrual | $ 34,534,000 | $ 31,749,000 |
Commercial loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for loan losses | 133,476,000 | 125,375,000 | 109,923,000
Commercial loans | Financial Asset Originated |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Non-accrual | 16,296,000 | 11,723,000 |
Commercial loans | Commercial & industrial |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for loan losses | 57,210,000 | 45,957,000 | $ 38,665,000
Commercial loans | Commercial & industrial | Financial Asset Originated |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Non-accrual | 5,693,000 | $ 365,000 |
Commercial loans | Commercial & industrial | SBA Payroll Protection Program, CARES Act |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for loan losses | $ 0 |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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