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Note 3 - Loans and Allowance for Credit Losses - Activity in Allowance for Loan Losses and the Recorded Investments in Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Balance | $ 42,246 | $ 35,363 | $ 37,967
Provision for credit losses | 7,700 | 6,550 | (4,300)
Charge-offs | (863) | (292) | (1,044)
Recoveries | 831 | 1,025 | 2,740
Balance | 49,914 | 42,246 | 35,363
Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 0 |  |
Balance |  | 0 |
Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 42,246 |  |
Balance |  | 42,246 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | (400) |
Balance |  |  | (400)
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Balance | 10,203 | 10,782 | 9,424
Provision for credit losses | (2,822) | 946 | 2,030
Charge-offs | (218) | (171) | (882)
Recoveries | 188 | 217 | 210
Balance | 7,441 | 10,203 | 10,782
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 90 |  |
Balance |  | 90 |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 10,293 |  |
Balance |  | 10,293 |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | (1,571) |
Balance |  |  | (1,571)
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Balance | 490 | 420 | 679
Provision for credit losses | (141) | 138 | (618)
Charge-offs | 0 | (29) | (15)
Recoveries | 35 | 4 | 374
Balance | 384 | 490 | 420
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 0 |  |
Balance |  | 0 |
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 490 |  |
Balance |  | 490 |
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | (43) |
Balance |  |  | (43)
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Balance | 5,914 | 6,045 | 8,246
Provision for credit losses | 1,255 | 378 | (3,308)
Charge-offs | (54) | (38) | (12)
Recoveries | 71 | 89 | 1,119
Balance | 7,186 | 5,914 | 6,045
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 0 |  |
Balance |  | 0 |
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 5,914 |  |
Balance |  | 5,914 |
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | (560) |
Balance |  |  | (560)
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Balance | 9,242 | 12,990 | 13,611
Provision for credit losses | 610 | (1,214) | (621)
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Balance | 9,852 | 9,242 | 12,990
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 0 |  |
Balance |  | 0 |
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 9,242 |  |
Balance |  | 9,242 |
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | (2,534) |
Balance |  |  | (2,534)
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Balance | 2,191 | 2,006 | 1,819
Provision for credit losses | 967 | 763 | 161
Charge-offs | 0 | 0 | 0
Recoveries | 26 | 43 | 26
Balance | 3,184 | 2,191 | 2,006
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 0 |  |
Balance |  | 0 |
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 2,191 |  |
Balance |  | 2,191 |
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | (621) |
Balance |  |  | (621)
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Balance | 14,027 | 2,449 | 3,240
Provision for credit losses | 5,638 | 5,621 | (1,629)
Charge-offs | (414) | (33) | (92)
Recoveries | 432 | 595 | 930
Balance | 18,986 | 14,027 | 2,449
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | (697) |  |
Balance |  | (697) |
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 13,330 |  |
Balance |  | 13,330 |
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | 5,395 |
Balance |  |  | 5,395
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |
Balance | 160 | 626 |
Provision for credit losses | 2,212 | (111) |
Charge-offs | (177) | (21) |
Recoveries | 79 | 77 |
Balance | 2,881 | 160 | 626
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 607 |  |
Balance |  | 607 |
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | 767 |  |
Balance |  | 767 |
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | (411) |
Balance |  |  | (411)
Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |  |
Balance |  | 626 | 889
Provision for credit losses |  |  | (301)
Charge-offs |  |  | (43)
Recoveries |  |  | 81
Balance |  |  | 626
Unallocated Financing Receivables [Member] |  |  |
Balance | 19 | 45 | 59
Provision for credit losses | (19) | 29 | (14)
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Balance | 0 | 19 | 45
Unallocated Financing Receivables [Member] | Revision of Prior Period, Reclassification, Adjustment [Member] |  |  |
Balance | 0 |  |
Balance |  | 0 |
Unallocated Financing Receivables [Member] | Revision of Prior Period, After Reclassification [Member] |  |  |
Balance | $ 19 |  |
Balance |  | 19 |
Unallocated Financing Receivables [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |
Balance |  | $ (55) |
Balance |  |  | $ (55)

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