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Note 7 - Loans Receivable and Credit Disclosures - Impaired Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Impaired financing receivable with no related allowance, recorded investment | $ 1,793 | $ 1,908
Impaired financing receivable with no related allowance, unpaid principal balance | 2,226 | 2,680
Impaired financing receivable with related allowance, recorded investment | 10,364 | 10,404
Impaired financing receivable with related allowance, unpaid principal balance | 10,721 | 10,751
Impaired financing receivable, related allowance | 1,373 | 1,392
Impaired financing receivable, recorded investment | 12,157 | 12,312
Impaired financing receivable, unpaid principal balance | 12,947 | 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 | 651 | 677
Impaired financing receivable with no related allowance, unpaid principal balance | 719 | 739
Impaired financing receivable with related allowance, recorded investment | 325 | 303
Impaired financing receivable with related allowance, unpaid principal balance | 341 | 314
Impaired financing receivable, related allowance | 53 | 40
Impaired financing receivable, recorded investment | 976 | 980
Impaired financing receivable, unpaid principal balance | 1,060 | 1,053
Commercial Real Estate Portfolio Segment [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 121 | 124
Impaired financing receivable with no related allowance, unpaid principal balance | 140 | 142
Impaired financing receivable with related allowance, recorded investment | 9,668 | 9,668
Impaired financing receivable with related allowance, unpaid principal balance | 10,001 | 10,001
Impaired financing receivable, related allowance | 1,139 | 1,139
Impaired financing receivable, recorded investment | 9,789 | 9,792
Impaired financing receivable, unpaid principal balance | 10,141 | 10,143
Agriculture Real Estate [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 542 | 546
Impaired financing receivable with no related allowance, unpaid principal balance | 617 | 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 | 542 | 546
Impaired financing receivable, unpaid principal balance | 617 | 1,001
Commercial Portfolio Segment [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 220 | 233
Impaired financing receivable with no related allowance, unpaid principal balance | 258 | 269
Impaired financing receivable with related allowance, recorded investment | 42 | 97
Impaired financing receivable with related allowance, unpaid principal balance | 42 | 98
Impaired financing receivable, related allowance | 42 | 60
Impaired financing receivable, recorded investment | 262 | 330
Impaired financing receivable, unpaid principal balance | 300 | 367
Agriculture [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 255 | 322
Impaired financing receivable with no related allowance, unpaid principal balance | 486 | 521
Impaired financing receivable with related allowance, recorded investment | 309 | 315
Impaired financing receivable with related allowance, unpaid principal balance | 315 | 315
Impaired financing receivable, related allowance | 119 | 132
Impaired financing receivable, recorded investment | 564 | 637
Impaired financing receivable, unpaid principal balance | 801 | 836
Consumer and Other [Member] |  |
Impaired financing receivable with no related allowance, recorded investment | 4 | 6
Impaired financing receivable with no related allowance, unpaid principal balance | 6 | 8
Impaired financing receivable with related allowance, recorded investment | 20 | 21
Impaired financing receivable with related allowance, unpaid principal balance | 22 | 23
Impaired financing receivable, related allowance | 20 | 21
Impaired financing receivable, recorded investment | 24 | 27
Impaired financing receivable, unpaid principal balance | $ 28 | $ 31

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