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Note 7 - Loans Receivable and Credit Disclosures - Average Recorded Investment and Interest Income Recognized on Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Impaired financing receivable, with no related allowance, average recorded investment | $ 1,525 | $ 2,578 | $ 1,650 | $ 2,766
Impaired financing receivable, with no related allowance, interest income, accrual method | 29 | 12 | 36 | 347
Impaired financing receivable, with related allowance, average recorded investment | 10,158 | 10,484 | 10,239 | 11,031
Impaired financing receivable, with related allowance, interest income, accrual method | 1 | 0 | 1 | 0
Impaired financing receivable, average recorded investment | 11,683 | 13,062 | 11,889 | 13,797
Impaired financing receivable, interest income, accrual method | 30 | 12 | 37 | 347
Construction Real Estate [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 0 | 84 | 0 | 111
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, with related allowance, average recorded investment | 0 | 0 | 0 | 0
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 0 | 84 | 0 | 111
Impaired financing receivable, interest income, accrual method | 0 | 0 | 0 | 0
Family Residential Real Estate 1-4 [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 687 | 619 | 683 | 551
Impaired financing receivable, with no related allowance, interest income, accrual method | 14 | 11 | 17 | 11
Impaired financing receivable, with related allowance, average recorded investment | 163 | 57 | 209 | 346
Impaired financing receivable, with related allowance, interest income, accrual method | 1 | 0 | 1 | 0
Impaired financing receivable, average recorded investment | 850 | 676 | 892 | 897
Impaired financing receivable, interest income, accrual method | 15 | 11 | 18 | 11
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 120 | 139 | 121 | 173
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 0 | 0 | 297
Impaired financing receivable, with related allowance, average recorded investment | 9,632 | 10,016 | 9,644 | 10,016
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 9,752 | 10,155 | 9,765 | 10,189
Impaired financing receivable, interest income, accrual method | 0 | 0 | 0 | 297
Agriculture Real Estate [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 357 | 860 | 420 | 1,128
Impaired financing receivable, with no related allowance, interest income, accrual method | 14 | 0 | 14 | 25
Impaired financing receivable, with related allowance, average recorded investment | 0 | 0 | 0 | 0
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 357 | 860 | 420 | 1,128
Impaired financing receivable, interest income, accrual method | 14 | 0 | 14 | 25
Commercial Portfolio Segment [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 214 | 544 | 220 | 454
Impaired financing receivable, with no related allowance, interest income, accrual method | 1 | 0 | 5 | 0
Impaired financing receivable, with related allowance, average recorded investment | 38 | 0 | 58 | 222
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 252 | 544 | 278 | 676
Impaired financing receivable, interest income, accrual method | 1 | 0 | 5 | 0
Agriculture [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 143 | 328 | 202 | 344
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 1 | 0 | 14
Impaired financing receivable, with related allowance, average recorded investment | 305 | 371 | 308 | 408
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 448 | 699 | 510 | 752
Impaired financing receivable, interest income, accrual method | 0 | 1 | 0 | 14
Consumer and Other [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 4 | 4 | 4 | 5
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, with related allowance, average recorded investment | 20 | 40 | 20 | 39
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 24 | 44 | 24 | 44
Impaired financing receivable, interest income, accrual method | $ 0 | $ 0 | $ 0 | $ 0

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