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Note 7 - Loans Receivable and Credit Disclosures - Impaired Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Impaired financing receivable with no related allowance, recorded investment | $ 5,079 | $ 1,908
Impaired financing receivable with no related allowance, unpaid principal balance | 5,235 | 2,680
Impaired financing receivable with related allowance, recorded investment | 9,890 | 10,404
Impaired financing receivable with related allowance, unpaid principal balance | 10,445 | 10,751
Impaired financing receivable, related allowance | 1,005 | 1,392
Impaired financing receivable, recorded investment | 14,969 | 12,312
Impaired financing receivable, unpaid principal balance | 15,680 | 13,431
Construction Real Estate [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 0 | 0
Impaired financing receivable with no related allowance, unpaid principal balance | 0 | 0
Impaired financing receivable with related allowance, recorded investment | 0 | 0
Impaired financing receivable with related allowance, unpaid principal balance | 0 | 0
Impaired financing receivable, related allowance | 0 | 0
Impaired financing receivable, recorded investment | 0 | 0
Impaired financing receivable, unpaid principal balance | 0 | 0
Family Residential Real Estate 1-4 [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 839 | 677
Impaired financing receivable with no related allowance, unpaid principal balance | 879 | 739
Impaired financing receivable with related allowance, recorded investment | 196 | 303
Impaired financing receivable with related allowance, unpaid principal balance | 187 | 314
Impaired financing receivable, related allowance | 30 | 40
Impaired financing receivable, recorded investment | 1,035 | 980
Impaired financing receivable, unpaid principal balance | 1,066 | 1,053
Commercial Real Estate Portfolio Segment [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 3,739 | 124
Impaired financing receivable with no related allowance, unpaid principal balance | 3,774 | 142
Impaired financing receivable with related allowance, recorded investment | 9,405 | 9,668
Impaired financing receivable with related allowance, unpaid principal balance | 9,944 | 10,001
Impaired financing receivable, related allowance | 874 | 1,139
Impaired financing receivable, recorded investment | 13,144 | 9,792
Impaired financing receivable, unpaid principal balance | 13,718 | 10,143
Agriculture Real Estate [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 169 | 546
Impaired financing receivable with no related allowance, unpaid principal balance | 194 | 1,001
Impaired financing receivable with related allowance, recorded investment | 0 | 0
Impaired financing receivable with related allowance, unpaid principal balance | 0 | 0
Impaired financing receivable, related allowance | 0 | 0
Impaired financing receivable, recorded investment | 169 | 546
Impaired financing receivable, unpaid principal balance | 194 | 1,001
Commercial Portfolio Segment [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 276 | 233
Impaired financing receivable with no related allowance, unpaid principal balance | 320 | 269
Impaired financing receivable with related allowance, recorded investment | 0 | 97
Impaired financing receivable with related allowance, unpaid principal balance | 0 | 98
Impaired financing receivable, related allowance | 0 | 60
Impaired financing receivable, recorded investment | 276 | 330
Impaired financing receivable, unpaid principal balance | 320 | 367
Agriculture [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 48 | 322
Impaired financing receivable with no related allowance, unpaid principal balance | 58 | 521
Impaired financing receivable with related allowance, recorded investment | 271 | 315
Impaired financing receivable with related allowance, unpaid principal balance | 294 | 315
Impaired financing receivable, related allowance | 83 | 132
Impaired financing receivable, recorded investment | 319 | 637
Impaired financing receivable, unpaid principal balance | 352 | 836
Consumer and Other [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 8 | 6
Impaired financing receivable with no related allowance, unpaid principal balance | 10 | 8
Impaired financing receivable with related allowance, recorded investment | 18 | 21
Impaired financing receivable with related allowance, unpaid principal balance | 20 | 23
Impaired financing receivable, related allowance | 18 | 21
Impaired financing receivable, recorded investment | 26 | 27
Impaired financing receivable, unpaid principal balance | $ 30 | $ 31

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