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Note 4 - Loans - Allowance for Loan Losses (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2024 | Dec. 31, 2023
Beginning balance | $ 11,121,000 | $ 9,411,000 | $ 10,896,000 | $ 9,468,000 |  |
Individually evaluated for impairment |  |  |  |  | $ 0 | $ 0
Charge-offs | (14,000) | (11,000) | (39,000) | (40,000) |  |
Collectively evaluated for impairment | 11,479,000 |  | 11,479,000 |  |  | 10,896,000
Recoveries | 1,992,000 | 38,000 | 2,242,000 | 124,000 |  |
Financing Receivable, Allowance for Credit Loss | 11,479,000 | 9,738,000 | 11,479,000 | 9,738,000 | 11,121,000 | 10,896,000
Reversal of provision for credit losses | (1,620,000) | 300,000 | (1,620,000) | (160,000) |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 11,479,000 | 9,738,000 | 11,479,000 | 9,738,000 |  |
Collectively evaluated for impairment | 1,075,138,000 |  | 1,075,138,000 |  |  | 1,016,579,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 1,075,138,000 |  | 1,075,138,000 |  |  | 1,016,579,000
Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | 346,000 |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Commercial Real Estate Portfolio Segment [Member] | Construction and Land [Member] |  |  |  |  |  |
Beginning balance | 909,000 | 578,000 | 1,227,000 | 1,055,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | 0 | 0 | 0 | 0 |  |
Collectively evaluated for impairment | 603,000 |  | 603,000 |  |  | 1,227,000
Recoveries | 1,988,000 | 35,000 | 2,230,000 | 103,000 |  |
Financing Receivable, Allowance for Credit Loss | 603,000 | 792,000 | 603,000 | 792,000 | 909,000 | 1,227,000
Reversal of provision for credit losses | (2,294,000) | 179,000 | (2,854,000) | (704,000) |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 603,000 | 792,000 | 603,000 | 792,000 |  |
Collectively evaluated for impairment | 31,300,000 |  | 31,300,000 |  |  | 63,060,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 31,300,000 |  | 31,300,000 |  |  | 63,060,000
Commercial Real Estate Portfolio Segment [Member] | Construction and Land [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | 338,000 |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] |  |  |  |  |  |
Beginning balance | 666,000 | 514,000 | 667,000 | 479,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | 0 | 0 | 0 | 0 |  |
Collectively evaluated for impairment | 447,000 |  | 447,000 |  |  | 667,000
Recoveries | 0 | 0 | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss | 447,000 | 622,000 | 447,000 | 622,000 | 666,000 | 667,000
Reversal of provision for credit losses | (219,000) | 108,000 | (220,000) | 120,000 |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 447,000 | 622,000 | 447,000 | 622,000 |  |
Collectively evaluated for impairment | 58,360,000 |  | 58,360,000 |  |  | 54,045,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 58,360,000 |  | 58,360,000 |  |  | 54,045,000
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | 23,000 |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |  |  |  |  |
Beginning balance | 1,856,000 | 1,944,000 | 1,805,000 | 1,798,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | 0 | 0 | 0 | 0 |  |
Collectively evaluated for impairment | 1,509,000 |  | 1,509,000 |  |  | 1,805,000
Recoveries | 0 | 0 | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss | 1,509,000 | 1,755,000 | 1,509,000 | 1,755,000 | 1,856,000 | 1,805,000
Reversal of provision for credit losses | (347,000) | (189,000) | (296,000) | (146,000) |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 1,509,000 | 1,755,000 | 1,509,000 | 1,755,000 |  |
Collectively evaluated for impairment | 228,516,000 |  | 228,516,000 |  |  | 210,407,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 228,516,000 |  | 228,516,000 |  |  | 210,407,000
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | 103,000 |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [member] |  |  |  |  |  |
Beginning balance | 4,764,000 | 4,628,000 | 4,805,000 | 4,211,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | 0 | 0 | 0 | 0 |  |
Collectively evaluated for impairment | 6,046,000 |  | 6,046,000 |  |  | 4,805,000
Recoveries | 0 | 0 | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss | 6,046,000 | 4,433,000 | 6,046,000 | 4,433,000 | 4,764,000 | 4,805,000
Reversal of provision for credit losses | 1,282,000 | (195,000) | 1,241,000 | 197,000 |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 6,046,000 | 4,433,000 | 6,046,000 | 4,433,000 |  |
Collectively evaluated for impairment | 517,254,000 |  | 517,254,000 |  |  | 470,052,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 517,254,000 |  | 517,254,000 |  |  | 470,052,000
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | 25,000 |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Commercial Real Estate Portfolio Segment [Member] | Farmland Loans [Member] |  |  |  |  |  |
Beginning balance | 1,409,000 | 901,000 | 1,468,000 | 830,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | 0 | 0 | 0 | 0 |  |
Collectively evaluated for impairment | 1,709,000 |  | 1,709,000 |  |  | 1,468,000
Recoveries | 0 | 0 | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss | 1,709,000 | 1,379,000 | 1,709,000 | 1,379,000 | 1,409,000 | 1,468,000
Reversal of provision for credit losses | 300,000 | 478,000 | 241,000 | 537,000 |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 1,709,000 | 1,379,000 | 1,709,000 | 1,379,000 |  |
Collectively evaluated for impairment | 93,881,000 |  | 93,881,000 |  |  | 96,188,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 93,881,000 |  | 93,881,000 |  |  | 96,188,000
Commercial Real Estate Portfolio Segment [Member] | Farmland Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | 12,000 |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Beginning balance | 1,177,000 | 600,000 | 650,000 | 612,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | 0 | 0 | 0 | (12,000) |  |
Collectively evaluated for impairment | 895,000 |  | 895,000 |  |  | 650,000
Recoveries | 0 | 0 | 0 | 12,000 |  |
Financing Receivable, Allowance for Credit Loss | 895,000 | 527,000 | 895,000 | 527,000 | 1,177,000 | 650,000
Reversal of provision for credit losses | (282,000) | (73,000) | 245,000 | (187,000) |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 895,000 | 527,000 | 895,000 | 527,000 |  |
Collectively evaluated for impairment | 81,439,000 |  | 81,439,000 |  |  | 65,218,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 81,439,000 |  | 81,439,000 |  |  | 65,218,000
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | 102,000 |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Beginning balance | 239,000 | 207,000 | 227,000 | 311,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | (14,000) | (11,000) | (39,000) | (28,000) |  |
Collectively evaluated for impairment | 165,000 |  | 165,000 |  |  | 227,000
Recoveries | 4,000 | 3,000 | 12,000 | 9,000 |  |
Financing Receivable, Allowance for Credit Loss | 165,000 | 192,000 | 165,000 | 192,000 | 239,000 | 227,000
Reversal of provision for credit losses | (64,000) | (7,000) | (35,000) | 20,000 |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 165,000 | 192,000 | 165,000 | 192,000 |  |
Collectively evaluated for impairment | 33,612,000 |  | 33,612,000 |  |  | 31,687,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | 33,612,000 |  | 33,612,000 |  |  | 31,687,000
Consumer Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | (120,000) |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |
Agriculture [Member] |  |  |  |  |  |
Beginning balance | 101,000 | 39,000 | 47,000 | 172,000 |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Charge-offs | 0 | 0 | 0 | 0 |  |
Collectively evaluated for impairment | 105,000 |  | 105,000 |  |  | 47,000
Recoveries | 0 | 0 | 0 | 0 |  |
Financing Receivable, Allowance for Credit Loss | 105,000 | 38,000 | 105,000 | 38,000 | $ 101,000 | 47,000
Reversal of provision for credit losses | 4,000 | (1,000) | 58,000 | 3,000 |  |
Individually evaluated for impairment | 0 |  | 0 |  |  | 0
Ending balance | 105,000 | $ 38,000 | 105,000 | 38,000 |  |
Collectively evaluated for impairment | 30,776,000 |  | 30,776,000 |  |  | 25,922,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process | $ 30,776,000 |  | $ 30,776,000 |  |  | $ 25,922,000
Agriculture [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |
Beginning balance |  |  |  | $ (137,000) |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |  |  |

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