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Note 3 - Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, before Allowance for Credit Loss | $ 4,636,549 | $ 4,600,781
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 3,751,591 | 3,707,304
Recorded Balance 89 Days and Accruing | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,314,383 | 1,287,308
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 | 68,790 | 66,936
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 | 705,645 | 748,837
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 | 1,183,728 | 1,128,404
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 | 479,045 | 475,819
Recorded Balance 89 Days and Accruing | 0 | 0
Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 884,958 | 893,477
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 | 817,212 | 827,597
Recorded Balance 89 Days and Accruing | 0 | 0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 67,746 | 65,880
Recorded Balance 89 Days and Accruing | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 85 | 2,494
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 4 | 17
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 5
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 | 4 | 12
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 | 81 | 2,477
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 | 57 | 2,365
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 24 | 112
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 140 | 713
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 4 | 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 | 4 | 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 | 136 | 713
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 | 136 | 713
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 | 936 | 1,046
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 274 | 864
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 | 274 | 864
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 | 0
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 | 662 | 182
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 | 662 | 182
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 | 1,161 | 4,253
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 282 | 881
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 278 | 869
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 | 4 | 12
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
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 | 879 | 3,372
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 855 | 3,260
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 24 | 112
Financial Asset, Not Past Due [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 4,635,388 | 4,596,528
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 3,751,309 | 3,706,423
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,314,105 | 1,286,439
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 | 68,786 | 66,924
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 705,645 | 748,837
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 1,183,728 | 1,128,404
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 | 479,045 | 475,819
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 884,079 | 890,105
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 816,357 | 824,337
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Financing Receivable, before Allowance for Credit Loss | $ 67,722 | $ 65,768

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