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Loans, Nonaccrual Loans Segregated by Loan Segment (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | $ 37,000 | $ 8,246,000
Nonaccrual loans with ACL | 15,610,000 | 8,123,000
90+ and still accruing | 9,040,000 | 10,317,000
Nonperforming loans | 24,687,000 | 26,686,000
Interest income | 26,600 | 189,400
Commercial [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 37,000 | 8,246,000
Nonaccrual loans with ACL | 12,333,000 | 3,995,000
90+ and still accruing | 3,523,000 | 3,946,000
Nonperforming loans | 15,893,000 | 16,187,000
Commercial [Member] | Commercial Real Estate Residential [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 0
Nonaccrual loans with ACL | 1,026,000 | 1,248,000
90+ and still accruing | 2,276,000 | 369,000
Nonperforming loans | 3,302,000 | 1,617,000
Commercial [Member] | Commercial Real Estate Nonresidential [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 8,000,000
Nonaccrual loans with ACL | 10,593,000 | 1,641,000
90+ and still accruing | 739,000 | 3,513,000
Nonperforming loans | 11,332,000 | 13,154,000
Commercial [Member] | Commercial Other [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 37,000 | 246,000
Nonaccrual loans with ACL | 714,000 | 1,106,000
90+ and still accruing | 508,000 | 64,000
Nonperforming loans | 1,259,000 | 1,416,000
Residential [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 0
Nonaccrual loans with ACL | 3,277,000 | 3,952,000
90+ and still accruing | 4,867,000 | 5,516,000
Nonperforming loans | 8,144,000 | 9,468,000
Residential [Member] | Real Estate Mortgage [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 0
Nonaccrual loans with ACL | 2,999,000 | 3,748,000
90+ and still accruing | 4,416,000 | 5,072,000
Nonperforming loans | 7,415,000 | 8,820,000
Residential [Member] | Home Equity Lines [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 0
Nonaccrual loans with ACL | 278,000 | 204,000
90+ and still accruing | 451,000 | 444,000
Nonperforming loans | 729,000 | 648,000
Consumer [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 0
Nonaccrual loans with ACL | 0 | 176,000
90+ and still accruing | 650,000 | 855,000
Nonperforming loans | 650,000 | 1,031,000
Consumer [Member] | Consumer Direct [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 0
Nonaccrual loans with ACL | 0 | 176,000
90+ and still accruing | 35,000 | 93,000
Nonperforming loans | 35,000 | 269,000
Consumer [Member] | Consumer Indirect [Member] |  |
Nonaccrual loans segregated by class of loans [Abstract] |  |
Nonaccrual loans with no ACL | 0 | 0
Nonaccrual loans with ACL | 0 | 0
90+ and still accruing | 615,000 | 762,000
Nonperforming loans | $ 615,000 | $ 762,000

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