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Note 3 - Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, before Allowance for Credit Loss | $ 4,600,781 | $ 4,303,758
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 3,707,304 | 3,415,299
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,287,308 | 1,254,586
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 66,936 | 74,753
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 748,837 | 717,667
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,128,404 | 1,035,684
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 475,819 | 332,609
Recorded Balance 89 Days and Accruing | 0 | 0
Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 893,477 | 888,459
Recorded Balance 89 Days and Accruing | 0 | 0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 827,597 | 837,406
Recorded Balance 89 Days and Accruing | 0 | 0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 65,880 | 51,053
Recorded Balance 89 Days and Accruing | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 2,494 | 1,035
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 17 | 4
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 5 | 4
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 12 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 2,477 | 1,031
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 2,365 | 934
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 112 | 97
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 713 | 145
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 713 | 145
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 713 | 145
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,046 | 357
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 864 | 319
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 864 | 249
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 70
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 182 | 38
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 182 | 38
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 4,253 | 1,537
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 881 | 323
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 869 | 253
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 12 | 0
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 70
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 3,372 | 1,214
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 3,260 | 1,117
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 112 | 97
Financial Asset, Not Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 4,596,528 | 4,302,221
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 3,706,423 | 3,414,976
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,286,439 | 1,254,333
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 66,924 | 74,753
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 748,837 | 717,597
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,128,404 | 1,035,684
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 475,819 | 332,609
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 890,105 | 887,245
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 824,337 | 836,289
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | $ 65,768 | $ 50,956

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