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Note 4 - Loans Receivable and Credit Disclosures - Credit Risk Profile by Internally Assigned Grade (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Loan and lease receivable other than consumer and residential | $ 898,825 | $ 918,967
Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 704,686 | 679,429
Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 132,772 | 163,297
Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 15,030 | 23,980
Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 35,032 | 38,373
Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 11,305 | 13,888
Construction Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 42,638 | 45,497
Construction Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 38,753 | 39,980
Construction Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 239 | 5,350
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 | 3,646 | 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 | 515,367 | 496,357
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 381,346 | 346,591
Commercial Real Estate Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 99,127 | 88,113
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 3,085 | 23,753
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 22,017 | 27,642
Commercial Real Estate Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 9,792 | 10,258
Agriculture Real Estate [Member] |  |
Loan and lease receivable other than consumer and residential | 153,457 | 151,992
Agriculture Real Estate [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 126,157 | 110,925
Agriculture Real Estate [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 17,853 | 33,144
Agriculture Real Estate [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 3,519 | 175
Agriculture Real Estate [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 5,382 | 6,084
Agriculture Real Estate [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 546 | 1,664
Commercial Portfolio Segment [Member] |  |
Loan and lease receivable other than consumer and residential | 75,482 | 122,535
Commercial Portfolio Segment [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 63,141 | 101,858
Commercial Portfolio Segment [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 8,132 | 15,897
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 762 | 52
Commercial Portfolio Segment [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 3,117 | 3,788
Commercial Portfolio Segment [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | 330 | 940
Agriculture [Member] |  |
Loan and lease receivable other than consumer and residential | 111,881 | 102,586
Agriculture [Member] | Pass [Member] |  |
Loan and lease receivable other than consumer and residential | 95,289 | 80,075
Agriculture [Member] | Watch [Member] |  |
Loan and lease receivable other than consumer and residential | 7,421 | 20,793
Agriculture [Member] | Special Mention [Member] |  |
Loan and lease receivable other than consumer and residential | 7,664 | 0
Agriculture [Member] | Substandard [Member] |  |
Loan and lease receivable other than consumer and residential | 870 | 859
Agriculture [Member] | Substandard Impaired [Member] |  |
Loan and lease receivable other than consumer and residential | $ 637 | $ 859

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