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Note 7 - Loans Receivable and Credit Disclosures - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Balance | $ 16,269 |  | $ 16,484 | $ 15,697 | $ 16,621
Credit loss expense (benefit) for loans | 73 | [1] | (59) | 285 | (186)
Recoveries of loans charged-off | 10 |  | 8 | 20 | 11
Loans charged-off | (33) |  | (13) | (201) | (26)
Balance | 16,319 |  | 16,420 | 16,319 | 16,420
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Balance |  |  |  | 518 |
Construction Real Estate [Member] |  |  |  |  |
Balance | 391 |  | 645 | 730 | 675
Credit loss expense (benefit) for loans | 21 | [1] | (39) | 77 | (69)
Recoveries of loans charged-off | 0 |  | 0 | 0 | 0
Loans charged-off | 0 |  | 0 | 0 | 0
Balance | 412 |  | 606 | 412 | 606
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 | 3,288 |  | 2,899 | 3,028 | 2,752
Credit loss expense (benefit) for loans | 68 | [1] | 24 | 85 | 174
Recoveries of loans charged-off | 1 |  | 3 | 2 | 4
Loans charged-off | 0 |  | (6) | 0 | (10)
Balance | 3,357 |  | 2,920 | 3,357 | 2,920
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 | 2,568 |  | 2,433 | 2,493 | 2,501
Credit loss expense (benefit) for loans | (44) | [1] | 84 | 55 | 16
Recoveries of loans charged-off | 0 |  | 0 | 0 | 0
Loans charged-off | 0 |  | 0 | 0 | 0
Balance | 2,524 |  | 2,517 | 2,524 | 2,517
Multifamily [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Balance |  |  |  | (24) |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Balance | 5,206 |  | 5,881 | 4,742 | 5,905
Credit loss expense (benefit) for loans | (173) | [1] | (39) | (227) | (63)
Recoveries of loans charged-off | 0 |  | 1 | 5 | 1
Loans charged-off | 0 |  | 0 | 0 | 0
Balance | 5,033 |  | 5,843 | 5,033 | 5,843
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 | 1,218 |  | 1,630 | 1,625 | 1,584
Credit loss expense (benefit) for loans | (4) | [1] | 62 | (13) | 108
Recoveries of loans charged-off | 0 |  | 0 | 0 | 0
Loans charged-off | 0 |  | 0 | 0 | 0
Balance | 1,214 |  | 1,692 | 1,214 | 1,692
Agriculture Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Balance |  |  |  | (398) |
Commercial Portfolio Segment [Member] |  |  |  |  |
Balance | 1,784 |  | 1,152 | 1,153 | 1,170
Credit loss expense (benefit) for loans | 260 | [1] | (28) | 443 | (47)
Recoveries of loans charged-off | 3 |  | 1 | 6 | 2
Loans charged-off | (33) |  | 0 | (37) | 0
Balance | 2,014 |  | 1,125 | 2,014 | 1,125
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Balance |  |  |  | 449 |
Agriculture [Member] |  |  |  |  |
Balance | 1,392 |  | 1,606 | 1,705 | 1,836
Credit loss expense (benefit) for loans | (34) | [1] | (122) | (122) | (352)
Recoveries of loans charged-off | 0 |  | 0 | 0 | 0
Loans charged-off | 0 |  | 0 | (164) | 0
Balance | 1,358 |  | 1,484 | 1,358 | 1,484
Agriculture [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |
Balance |  |  |  | (61) |
Consumer and Other [Member] |  |  |  |  |
Balance | 422 |  | 238 | 221 | 198
Credit loss expense (benefit) for loans | (21) | [1] | (1) | (13) | 47
Recoveries of loans charged-off | 6 |  | 3 | 7 | 4
Loans charged-off | 0 |  | (7) | 0 | (16)
Balance | $ 407 |  | $ 233 | 407 | $ 233
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 expense of $63 thousand related to off-balance sheet credit exposures.

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