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Note 8 - Loans Receivable and Credit Disclosures - Credit Risk Profile by Internally Assigned Grade (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Loan and lease receivable other than consumer and residential | $ 871,406 | $ 840,545
Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 670,019 | 699,777
Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 157,067 | 100,206
Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 6,582 | 4,581
Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 21,308 | 32,401
Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 16,430 | 3,580
Construction Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 49,768 | 47,895
Construction Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 35,393 | 41,073
Construction Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 14,375 | 6,822
Construction Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential |  | 0
Construction Real Estate [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 0 |
Construction Real Estate [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 0 | 0
Commercial Real Estate Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 461,505 | 435,850
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 364,413 | 387,274
Commercial Real Estate Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 75,914 | 29,209
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 5,015 | 4,581
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 4,569 | 14,703
Commercial Real Estate Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 11,594 | 83
Agriculture Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 161,984 | 160,771
Agriculture Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 119,570 | 118,692
Agriculture Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 32,085 | 32,780
Agriculture Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential |  |
Agriculture Real Estate [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 9,535 | 9,215
Agriculture Real Estate [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 794 | 84
Commercial Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 85,743 | 84,084
Commercial Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 63,373 | 62,655
Commercial Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 15,258 | 16,147
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 1,567 |
Commercial Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 4,965 | 4,820
Commercial Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 580 | 462
Agriculture [Member] |  |
Loan and lease receivable other than consumer and residential | 112,406 | 111,945
Agriculture [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 87,270 | 90,083
Agriculture [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 19,435 | 15,248
Agriculture [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential |  |
Agriculture [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 2,239 | 3,663
Agriculture [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | $ 3,462 | $ 2,951

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