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Note 4 - Loans and Allowance for Credit Losses - Loans - Aging of Recorded Investment (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Loans, gross |  | $ 3,053,230 |  | $ 3,031,861
Non-accrual Loans |  | 69,843 | [1] | 31,619
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Loans, gross |  | 10,670 |  | 12,451
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Loans, gross |  | 42,017 |  | 6,031
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, gross |  | 28,605 | [2] | 19,663
Financial Asset, Past Due [Member] |  |  |  |
Loans, gross |  | 81,292 |  | 38,145
Financial Asset, Not Past Due [Member] |  |  |  |
Loans, gross |  | 2,971,938 |  | 2,993,716
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, gross | [3] | 1,201,420 |  | 1,167,857
Non-accrual Loans |  | 7,353 |  | 10,569
Commercial Real Estate Portfolio Segment [Member] | Construction And Land Development Loans [Member] |  |  |  |
Loans, gross |  | 173,290 |  | 181,469
Non-accrual Loans |  | 44,621 | [1] | 0
Commercial Real Estate Portfolio Segment [Member] | Construction And Land Development Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Loans, gross |  | 0 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Construction And Land Development Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Loans, gross |  | 38,101 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Construction And Land Development Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, gross |  | 8,782 | [2] | 0
Commercial Real Estate Portfolio Segment [Member] | Construction And Land Development Loans [Member] | Financial Asset, Past Due [Member] |  |  |  |
Loans, gross |  | 46,883 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Construction And Land Development Loans [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Loans, gross |  | 126,407 |  | 181,469
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] |  |  |  |
Loans, gross |  | 1,201,420 |  | 1,167,857
Non-accrual Loans |  | 7,353 | [1] | 10,569
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Loans, gross |  | 504 |  | 1,341
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Loans, gross |  | 216 |  | 216
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, gross |  | 7,131 | [2] | 1,582
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Past Due [Member] |  |  |  |
Loans, gross |  | 7,851 |  | 3,139
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Loans, gross |  | 1,193,569 |  | 1,164,718
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Mortgages Loans [Member] |  |  |  |
Loans, gross |  | 1,494,022 | [4] | 1,487,796
Non-accrual Loans |  | 11,524 | [1] | 18,103
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Mortgages Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Loans, gross |  | 9,806 | [4] | 9,050
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Mortgages Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Loans, gross |  | 1,688 | [4] | 5,795
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Mortgages Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, gross |  | 7,253 | [2],[4] | 15,134
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Mortgages Loans [Member] | Financial Asset, Past Due [Member] |  |  |  |
Loans, gross |  | 18,747 | [4] | 29,979
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Mortgages Loans [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Loans, gross |  | 1,475,275 | [4] | 1,457,817
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] |  |  |  |
Loans, gross |  | 129,585 |  | 130,096
Non-accrual Loans |  | 4,819 | [1] | 854
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Loans, gross |  | 30 |  | 1,544
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Loans, gross |  | 61 |  | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, gross |  | 4,819 | [2] | 854
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Financial Asset, Past Due [Member] |  |  |  |
Loans, gross |  | 4,910 |  | 2,398
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Loans, gross |  | 124,675 |  | 127,698
Commercial Portfolio Segment [Member] | Small Business Administration Agency Securities [Member] |  |  |  |
Loans, gross |  | 47,263 |  | 52,074
Non-accrual Loans |  | 1,514 | [1] | 2,085
Commercial Portfolio Segment [Member] | Small Business Administration Agency Securities [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Loans, gross |  | 314 |  | 356
Commercial Portfolio Segment [Member] | Small Business Administration Agency Securities [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Loans, gross |  | 1,951 |  | 0
Commercial Portfolio Segment [Member] | Small Business Administration Agency Securities [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, gross |  | 609 | [2] | 2,085
Commercial Portfolio Segment [Member] | Small Business Administration Agency Securities [Member] | Financial Asset, Past Due [Member] |  |  |  |
Loans, gross |  | 2,874 |  | 2,441
Commercial Portfolio Segment [Member] | Small Business Administration Agency Securities [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Loans, gross |  | 44,389 |  | 49,633
Commercial Portfolio Segment [Member] | Other Loans [Member] |  |  |  |
Loans, gross |  | 7,650 |  | 12,569
Non-accrual Loans |  | 12 | [1] | 8
Commercial Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Loans, gross |  | 16 |  | 160
Commercial Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Loans, gross |  | 0 |  | 20
Commercial Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Loans, gross |  | 11 | [2] | 8
Commercial Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Past Due [Member] |  |  |  |
Loans, gross |  | 27 |  | 188
Commercial Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Loans, gross |  | $ 7,623 |  | $ 12,381
[1] | Included in total loans
[2] | All loans 90 days or more past due are nonaccrual. We had no loans that were 90 days or more past due and still accruing.
[3] | Includes non-farm and non-residential real estate loans, multifamily residential and single-family residential loans for a business purpose
[4] | Nonaccrual SFR mortgage loans include $4.4 million of loans in the process of foreclosure.

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