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Note 7 - Loans Receivable and Credit Disclosures - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Balance | $ 16,319 |  | $ 16,420 | $ 15,697 |  | $ 16,621
Credit loss expense (benefit) for loans | (205) | [1] | (520) | 80 | [2] | (706)
Recoveries of loans charged-off | 4 |  | 6 | 24 |  | 17
Loans charged-off | 0 |  | (9) | (201) |  | (35)
Balance | 16,118 |  | 15,897 | 16,118 |  | 15,897
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | 518 |  |
Construction Real Estate [Member] |  |  |  |  |  |
Balance | 412 |  | 606 | 730 |  | 675
Credit loss expense (benefit) for loans | 4 | [1] | (2) | 81 | [2] | (71)
Recoveries of loans charged-off | 0 |  | 0 | 0 |  | 0
Loans charged-off | 0 |  | 0 | 0 |  | 0
Balance | 416 |  | 604 | 416 |  | 604
Construction Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | (395) |  |
Family Residential Real Estate 1-4 [Member] |  |  |  |  |  |
Balance | 3,357 |  | 2,920 | 3,028 |  | 2,752
Credit loss expense (benefit) for loans | (100) | [1] | 83 | (15) | [2] | 257
Recoveries of loans charged-off | 1 |  | 4 | 3 |  | 8
Loans charged-off | 0 |  | 0 | 0 |  | (10)
Balance | 3,258 |  | 3,007 | 3,258 |  | 3,007
Family Residential Real Estate 1-4 [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | 242 |  |
Multifamily [Member] |  |  |  |  |  |
Balance | 2,524 |  | 2,517 | 2,493 |  | 2,501
Credit loss expense (benefit) for loans | (29) | [1] | (207) | 26 | [2] | (191)
Recoveries of loans charged-off | 0 |  | 0 | 0 |  | 0
Loans charged-off | 0 |  | 0 | 0 |  | 0
Balance | 2,495 |  | 2,310 | 2,495 |  | 2,310
Multifamily [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | (24) |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |
Balance | 5,033 |  | 5,843 | 4,742 |  | 5,905
Credit loss expense (benefit) for loans | (35) | [1] | (285) | (262) | [2] | (348)
Recoveries of loans charged-off | 0 |  | 1 | 5 |  | 2
Loans charged-off | 0 |  | 0 | 0 |  | 0
Balance | 4,998 |  | 5,559 | 4,998 |  | 5,559
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | 513 |  |
Agriculture Real Estate [Member] |  |  |  |  |  |
Balance | 1,214 |  | 1,692 | 1,625 |  | 1,584
Credit loss expense (benefit) for loans | 15 | [1] | (94) | 2 | [2] | 14
Recoveries of loans charged-off | 0 |  | 0 | 0 |  | 0
Loans charged-off | 0 |  | 0 | 0 |  | 0
Balance | 1,229 |  | 1,598 | 1,229 |  | 1,598
Agriculture Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | (398) |  |
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Balance | 2,014 |  | 1,125 | 1,153 |  | 1,170
Credit loss expense (benefit) for loans | (142) | [1] | (25) | 301 | [2] | (72)
Recoveries of loans charged-off | 2 |  | 1 | 8 |  | 3
Loans charged-off | 0 |  | (2) | (37) |  | (2)
Balance | 1,874 |  | 1,099 | 1,874 |  | 1,099
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | 449 |  |
Agriculture [Member] |  |  |  |  |  |
Balance | 1,358 |  | 1,484 | 1,705 |  | 1,836
Credit loss expense (benefit) for loans | 40 | [1] | 24 | (82) | [2] | (328)
Recoveries of loans charged-off | 0 |  | 0 | 0 |  | 0
Loans charged-off | 0 |  | (7) | (164) |  | (7)
Balance | 1,398 |  | 1,501 | 1,398 |  | 1,501
Agriculture [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | (61) |  |
Consumer and Other [Member] |  |  |  |  |  |
Balance | 407 |  | 233 | 221 |  | 198
Credit loss expense (benefit) for loans | 42 | [1] | (14) | 29 | [2] | 33
Recoveries of loans charged-off | 1 |  | 0 | 8 |  | 4
Loans charged-off | 0 |  | 0 | 0 |  | (16)
Balance | $ 450 |  | $ 219 | 450 |  | $ 219
Consumer and Other [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Balance |  |  |  | $ 192 |  |
[1] | The difference in the credit loss expense reported herein as compared to the Consolidated Statements of Income is associated with the credit loss benefit of $69 thousand related to off-balance sheet credit exposures.
[2] | The difference in the credit loss expense reported herein as compared to the Consolidated Statements of Income is associated with the credit loss benefit of $46 thousand related to off-balance sheet credit exposures.

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