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v3.23.3

Note 3 - Loans and Allowance for Credit Losses (Details Textual) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Jun. 30, 2022 USD ($) | Jan. 01, 2022 USD ($) | Dec. 31, 2021 USD ($)
Financing Receivable, before Allowance for Credit Loss |  | $ 4,104,376,000 |  | $ 3,916,619,000 |  |  |
Increase (Decrease) in Finance Receivables |  | $ 188,000,000 |  |  |  |  |
Loans and Leases Receivable, Percentage Period Increase (Decrease) |  | 4.80% |  |  |  |  |
Financing Receivable, Nonaccrual, Interest Income |  | $ 0 |  | 0 |  |  |
Financing Receivable, Revolving, Converted to Term Loan |  | 0 |  | 0 |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 0 |  | 0 |  |  |  |
Financing Receivable, Troubled Debt Restructuring |  | 8,184,000 |  |  |  |  |
Collateral Dependent Loans [Member] |  |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss |  | 5,900,000 |  | 7,700,000 |  |  |
Commercial Real Estate Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Reclassification Between Loan Segments [Member] |  |  |  |  |  |  |
Increase (Decrease) in Finance Receivables |  |  |  | 54,500,000 |  |  |
Commercial Real Estate Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Reclassification Between Loan Segments [Member] |  |  |  |  |  |  |
Increase (Decrease) in Finance Receivables |  |  |  | (54,500,000) |  |  |
Retail Portfolio Segment [Member] |  |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss |  | 885,545,000 |  | 784,789,000 |  |  |
Financing Receivable, Troubled Debt Restructuring |  | 0 |  |  |  |  |
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss |  | 31,370,000 |  | 29,753,000 |  |  |
Financing Receivable, Troubled Debt Restructuring | $ 2,000 | 0 | $ 2,000 |  | $ 3,000 |  | $ 1,202,000
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring |  |  |  |  |  | $ (1,200,000) |
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss |  | 854,175,000 |  | $ 755,036,000 |  |  |
Financing Receivable, Troubled Debt Restructuring | $ 2,544,000 | $ 0 | $ 2,544,000 |  | $ 2,339,000 |  | $ 627,000
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring |  |  |  |  |  | $ 1,200,000 |

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