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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
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Impaired financing receivable, with no related allowance, average recorded investment | $ 2,578 | $ 15,075 | $ 2,766 | $ 11,397
Impaired financing receivable, with no related allowance, interest income, accrual method | 12 | 2 | 347 | 8
Impaired financing receivable, with related allowance, average recorded investment | 10,484 | 2,733 | 11,031 | 2,069
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 13,062 | 17,808 | 13,797 | 13,466
Impaired financing receivable, interest income, accrual method | 12 | 2 | 347 | 8
Construction Real Estate [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 84 | 0 | 111 | 0
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 | 84 | 0 | 111 | 0
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 | 619 | 164 | 551 | 263
Impaired financing receivable, with no related allowance, interest income, accrual method | 11 | 0 | 11 | 0
Impaired financing receivable, with related allowance, average recorded investment | 57 | 1,031 | 346 | 935
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 676 | 1,195 | 897 | 1,198
Impaired financing receivable, interest income, accrual method | 11 | 0 | 11 | 0
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 139 | 10,877 | 173 | 7,279
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 0 | 297 | 0
Impaired financing receivable, with related allowance, average recorded investment | 10,016 | 488 | 10,016 | 325
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 10,155 | 11,365 | 10,189 | 7,604
Impaired financing receivable, interest income, accrual method | 0 | 0 | 297 | 0
Agriculture Real Estate [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 860 | 1,429 | 1,128 | 980
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 0 | 25 | 6
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 | 860 | 1,429 | 1,128 | 980
Impaired financing receivable, interest income, accrual method | 0 | 0 | 25 | 6
Commercial Portfolio Segment [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 544 | 468 | 454 | 466
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 2 | 0 | 2
Impaired financing receivable, with related allowance, average recorded investment | 0 | 710 | 222 | 473
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 544 | 1,178 | 676 | 939
Impaired financing receivable, interest income, accrual method | 0 | 2 | 0 | 2
Agriculture [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 328 | 2,092 | 344 | 2,378
Impaired financing receivable, with no related allowance, interest income, accrual method | 1 | 0 | 14 | 0
Impaired financing receivable, with related allowance, average recorded investment | 371 | 495 | 408 | 330
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 699 | 2,587 | 752 | 2,708
Impaired financing receivable, interest income, accrual method | 1 | 0 | 14 | 0
Consumer and Other [Member] |  |  |  |
Impaired financing receivable, with no related allowance, average recorded investment | 4 | 45 | 5 | 31
Impaired financing receivable, with no related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, with related allowance, average recorded investment | 40 | 9 | 39 | 6
Impaired financing receivable, with related allowance, interest income, accrual method | 0 | 0 | 0 | 0
Impaired financing receivable, average recorded investment | 44 | 54 | 44 | 37
Impaired financing receivable, interest income, accrual method | $ 0 | $ 0 | $ 0 | $ 0

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