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Note 8 - Loans Receivable and Credit Disclosures - Credit Risk Profile by Internally Assigned Grade (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Loan and lease receivable other than consumer and residential | $ 949,321 | $ 840,545
Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 742,316 | 699,777
Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 153,381 | 100,206
Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 3,200 | 4,581
Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 35,419 | 32,401
Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 15,005 | 3,580
Construction Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 45,521 | 47,895
Construction Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 39,626 | 41,073
Construction Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 5,730 | 6,822
Construction Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 0 | 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 | 165 | 0
Commercial Real Estate Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 491,399 | 435,850
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 380,297 | 387,274
Commercial Real Estate Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 74,178 | 29,209
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 3,200 | 4,581
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 22,678 | 14,703
Commercial Real Estate Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 11,046 | 83
Agriculture Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 157,495 | 160,771
Agriculture Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 113,790 | 118,692
Agriculture Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 34,810 | 32,780
Agriculture Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 0 | 0
Agriculture Real Estate [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 7,027 | 9,215
Agriculture Real Estate [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 1,868 | 84
Commercial Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 152,707 | 84,084
Commercial Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 132,487 | 62,655
Commercial Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 14,820 | 16,147
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 0 | 0
Commercial Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 4,451 | 4,820
Commercial Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 949 | 462
Agriculture [Member] |  |
Loan and lease receivable other than consumer and residential | 102,199 | 111,945
Agriculture [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 76,116 | 90,083
Agriculture [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 23,843 | 15,248
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 | 1,263 | 3,663
Agriculture [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | $ 977 | $ 2,951

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