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Note 7 - Loans Receivable and Credit Disclosures - Credit Risk Profile by Internally Assigned Grade (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Loan and lease receivable other than consumer and residential | $ 919,049 | $ 918,967
Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 700,894 | 679,429
Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 143,155 | 163,297
Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 23,964 | 23,980
Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 38,057 | 38,373
Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 12,979 | 13,888
Construction Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 53,335 | 45,497
Construction Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 48,042 | 39,980
Construction Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 3,773 | 5,350
Construction Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 1,353 | 0
Construction Real Estate [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 0 | 0
Construction Real Estate [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 167 | 167
Commercial Real Estate Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 497,155 | 496,357
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 352,434 | 346,591
Commercial Real Estate Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 84,589 | 88,113
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 22,396 | 23,753
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 27,579 | 27,642
Commercial Real Estate Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 10,157 | 10,258
Agriculture Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 145,228 | 151,992
Agriculture Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 112,595 | 110,925
Agriculture Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 25,420 | 33,144
Agriculture Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 173 | 175
Agriculture Real Estate [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 5,949 | 6,084
Agriculture Real Estate [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 1,091 | 1,664
Commercial Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 127,440 | 122,535
Commercial Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 109,898 | 101,858
Commercial Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 13,057 | 15,897
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 42 | 52
Commercial Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 3,626 | 3,788
Commercial Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 817 | 940
Agriculture [Member] |  |
Loan and lease receivable other than consumer and residential | 95,891 | 102,586
Agriculture [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 77,925 | 80,075
Agriculture [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 16,316 | 20,793
Agriculture [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 0 | 0
Agriculture [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 903 | 859
Agriculture [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | $ 747 | $ 859

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