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Note 7 - Loans Receivable and Credit Disclosures - Loans Receivable Impairment Analysis (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Individually evaluated for credit losses | $ 14,605 | $ 14,386
Collectively evaluated for credit losses | 1,233,503 | 1,227,322
Balance | 1,248,108 | 1,241,708
Construction Real Estate [Member] |  |
Individually evaluated for credit losses | 0 | 0
Collectively evaluated for credit losses | 64,734 | 51,253
Balance | 64,734 | 51,253
Family Residential Real Estate 1-4 [Member] |  |
Individually evaluated for credit losses | 990 | 805
Collectively evaluated for credit losses | 279,453 | 284,302
Balance | 280,443 | 285,107
Multifamily [Member] |  |
Individually evaluated for credit losses | 2,948 | 0
Collectively evaluated for credit losses | 190,249 | 185,784
Balance | 193,197 | 185,784
Commercial Real Estate Portfolio Segment [Member] |  |
Individually evaluated for credit losses | 9,177 | 12,853
Collectively evaluated for credit losses | 336,470 | 340,432
Balance | 345,647 | 353,285
Agriculture Real Estate [Member] |  |
Individually evaluated for credit losses | 478 | 165
Collectively evaluated for credit losses | 161,485 | 159,283
Balance | 161,963 | 159,448
Commercial Portfolio Segment [Member] |  |
Individually evaluated for credit losses | 272 | 200
Collectively evaluated for credit losses | 86,732 | 77,065
Balance | 87,004 | 77,265
Agriculture [Member] |  |
Individually evaluated for credit losses | 726 | 342
Collectively evaluated for credit losses | 98,094 | 113,013
Balance | 98,820 | 113,355
Consumer and Other [Member] |  |
Individually evaluated for credit losses | 14 | 21
Collectively evaluated for credit losses | 16,286 | 16,190
Balance | $ 16,300 | $ 16,211

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