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Note 4 - Loans Receivable and Credit Disclosures - Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Ending loans receiveable balance: Individually evaluated for credit losses |  | $ 14,386 |
Allowance for credit loss | $ 16,776 | 15,697 | $ 16,621
Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 12,577 |  |
Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 669 |  |
Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 503 |  |
Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 13,749 |  |
Allowance for credit loss | 106 |  |
Construction Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 0 |
Allowance for credit loss | 408 | 730 | 675
Construction Real Estate [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 66 |  |
Construction Real Estate [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Construction Real Estate [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Construction Real Estate [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 66 |  |
Allowance for credit loss | 0 |  |
Family Residential Real Estate 1-4 [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 805 |
Allowance for credit loss | 3,333 | 3,028 | 2,752
Family Residential Real Estate 1-4 [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 678 |  |
Family Residential Real Estate 1-4 [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Family Residential Real Estate 1-4 [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Family Residential Real Estate 1-4 [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 678 |  |
Allowance for credit loss | 10 |  |
Multifamily [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 0 |
Allowance for credit loss | 2,542 | 2,493 | 2,501
Multifamily [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 2,034 |  |
Multifamily [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Multifamily [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Multifamily [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 2,034 |  |
Allowance for credit loss | 0 |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 12,853 |
Allowance for credit loss | 5,236 | 4,742 | 5,905
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 8,993 |  |
Commercial Real Estate Portfolio Segment [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Commercial Real Estate Portfolio Segment [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 8,993 |  |
Allowance for credit loss | 0 |  |
Agriculture Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 165 |
Allowance for credit loss | 1,238 | 1,625 | 1,584
Agriculture Real Estate [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 449 |  |
Agriculture Real Estate [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Agriculture Real Estate [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Agriculture Real Estate [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 449 |  |
Allowance for credit loss | 0 |  |
Commercial Portfolio Segment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 200 |
Allowance for credit loss | 1,955 | 1,153 | 1,170
Commercial Portfolio Segment [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 118 |  |
Commercial Portfolio Segment [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Commercial Portfolio Segment [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 101 |  |
Commercial Portfolio Segment [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 219 |  |
Allowance for credit loss | 96 |  |
Agriculture [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 342 |
Allowance for credit loss | 1,607 | 1,705 | 1,836
Agriculture [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 239 |  |
Agriculture [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 669 |  |
Agriculture [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 402 |  |
Agriculture [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 1,310 |  |
Allowance for credit loss | 0 |  |
Consumer and Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses |  | 21 |
Allowance for credit loss | 457 | $ 221 | $ 198
Consumer and Other [Member] | Real Estate [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Consumer and Other [Member] | Equipment [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Consumer and Other [Member] | Other [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Consumer and Other [Member] | Collateral Pledged [Member] |  |  |
Ending loans receiveable balance: Individually evaluated for credit losses | 0 |  |
Allowance for credit loss | $ 0 |  |

X
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