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Note 7 - Loans Receivable and Credit Disclosures - Credit Risk Profile by Internally Assigned Grade (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Loan and lease receivable other than consumer and residential | $ 896,491 | $ 918,967
Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 699,831 | 679,429
Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 123,351 | 163,297
Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 27,577 | 23,980
Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 34,269 | 38,373
Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 11,463 | 13,888
Construction Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 37,476 | 45,497
Construction Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 35,797 | 39,980
Construction Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 326 | 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 | 0 | 167
Commercial Real Estate Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 519,112 | 496,357
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 381,055 | 346,591
Commercial Real Estate Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 79,194 | 88,113
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 24,687 | 23,753
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 24,222 | 27,642
Commercial Real Estate Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 9,954 | 10,258
Agriculture Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 153,247 | 151,992
Agriculture Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 125,868 | 110,925
Agriculture Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 21,037 | 33,144
Agriculture Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 167 | 175
Agriculture Real Estate [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 5,599 | 6,084
Agriculture Real Estate [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 576 | 1,664
Commercial Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 85,569 | 122,535
Commercial Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 72,151 | 101,858
Commercial Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 8,077 | 15,897
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 1,370 | 52
Commercial Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 3,676 | 3,788
Commercial Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 295 | 940
Agriculture [Member] |  |
Loan and lease receivable other than consumer and residential | 101,087 | 102,586
Agriculture [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 84,960 | 80,075
Agriculture [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 14,717 | 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 | 772 | 859
Agriculture [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | $ 638 | $ 859

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