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Loans, Credit Risk Profile Based on Rating Category and Payment Activity and on Performing and Nonperforming Status, Segregated by Loan Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
Total | $ 4,350,474 |  | $ 4,350,474 |  | $ 4,050,906
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
Total | (2,736) | $ (2,012) | (8,239) | $ (5,730) | (8,259)
Consumer mortgage loans secured by real estate properties for which formal foreclosure proceedings are in process | 4,700 |  | 4,700 |  | 3,500
Commercial [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 418,840 |  | 418,840 |  | 437,884
2023/2022 | 370,466 |  | 370,466 |  | 443,860
2022/2021 | 418,327 |  | 418,327 |  | 325,078
2022/2020 | 273,128 |  | 273,128 |  | 168,851
2020/2019 | 157,345 |  | 157,345 |  | 122,166
Prior | 339,702 |  | 339,702 |  | 276,521
Revolving Loans | 236,282 |  | 236,282 |  | 209,375
Total | 2,214,090 |  | 2,214,090 |  | 1,983,735
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | (973) |  | (725)
2023/2022 |  |  | (11) |  | (710)
2022/2021 |  |  | (116) |  | (337)
2021/2020 |  |  | (17) |  | (27)
2020/2019 |  |  | (2) |  | (90)
Prior |  |  | (5) |  | (333)
Revolving loan |  |  | 0 |  | 0
Total |  |  | (1,124) |  | (2,222)
Commercial [Member] | Pass [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 401,686 |  | 401,686 |  | 411,703
2023/2022 | 347,273 |  | 347,273 |  | 424,100
2022/2021 | 392,329 |  | 392,329 |  | 303,445
2022/2020 | 240,612 |  | 240,612 |  | 146,909
2020/2019 | 134,880 |  | 134,880 |  | 113,411
Prior | 293,343 |  | 293,343 |  | 241,655
Revolving Loans | 218,451 |  | 218,451 |  | 202,377
Total | 2,028,574 |  | $ 2,028,574 |  | 1,843,600
Commercial [Member] | Pass [Member] | Minimum [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
Review period for loans |  |  | 12 months |  |
Commercial [Member] | Pass [Member] | Maximum [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
Review period for loans |  |  | 18 months |  |
Commercial [Member] | Watch [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 11,423 |  | $ 11,423 |  | 15,576
2023/2022 | 16,404 |  | 16,404 |  | 9,730
2022/2021 | 17,386 |  | 17,386 |  | 14,182
2022/2020 | 20,393 |  | 20,393 |  | 8,491
2020/2019 | 10,465 |  | 10,465 |  | 6,259
Prior | 28,600 |  | 28,600 |  | 14,645
Revolving Loans | 16,414 |  | 16,414 |  | 6,355
Total | 121,085 |  | 121,085 |  | 75,238
Commercial [Member] | OAEM [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 2,404
2023/2022 | 149 |  | 149 |  | 3,997
2022/2021 | 15 |  | 15 |  | 0
2022/2020 | 8,994 |  | 8,994 |  | 7,255
2020/2019 | 0 |  | 0 |  | 0
Prior | 136 |  | 136 |  | 3,503
Revolving Loans | 78 |  | 78 |  | 30
Total | 9,372 |  | 9,372 |  | 17,189
Commercial [Member] | Substandard [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 5,731 |  | 5,731 |  | 8,201
2023/2022 | 6,640 |  | 6,640 |  | 6,033
2022/2021 | 8,597 |  | 8,597 |  | 7,451
2022/2020 | 3,129 |  | 3,129 |  | 6,196
2020/2019 | 12,000 |  | 12,000 |  | 2,496
Prior | 17,621 |  | 17,621 |  | 15,952
Revolving Loans | 1,339 |  | 1,339 |  | 613
Total | 55,057 |  | 55,057 |  | 46,942
Commercial [Member] | Doubtful [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 2 |  | 2 |  | 766
Revolving Loans | 0 |  | 0 |  | 0
Total | 2 |  | 2 |  | 766
Commercial [Member] | Hotel/Motel [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 56,458 |  | 56,458 |  | 91,220
2023/2022 | 90,966 |  | 90,966 |  | 151,634
2022/2021 | 158,213 |  | 158,213 |  | 34,846
2022/2020 | 33,980 |  | 33,980 |  | 22,287
2020/2019 | 21,769 |  | 21,769 |  | 44,234
Prior | 86,681 |  | 86,681 |  | 47,502
Revolving Loans | 5,398 |  | 5,398 |  | 4,042
Total | 453,465 |  | 453,465 |  | 395,765
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
Total | 0 | 0 | 0 | 0 | 0
Commercial [Member] | Hotel/Motel [Member] | Pass [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 56,458 |  | 56,458 |  | 79,651
2023/2022 | 79,630 |  | 79,630 |  | 144,826
2022/2021 | 143,289 |  | 143,289 |  | 28,011
2022/2020 | 27,364 |  | 27,364 |  | 17,664
2020/2019 | 17,276 |  | 17,276 |  | 40,873
Prior | 69,756 |  | 69,756 |  | 42,029
Revolving Loans | 5,398 |  | 5,398 |  | 4,042
Total | 399,171 |  | 399,171 |  | 357,096
Commercial [Member] | Hotel/Motel [Member] | Watch [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 11,569
2023/2022 | 11,336 |  | 11,336 |  | 2,826
2022/2021 | 10,901 |  | 10,901 |  | 6,835
2022/2020 | 6,616 |  | 6,616 |  | 4,623
2020/2019 | 4,493 |  | 4,493 |  | 3,361
Prior | 14,971 |  | 14,971 |  | 1,648
Revolving Loans | 0 |  | 0 |  | 0
Total | 48,317 |  | 48,317 |  | 30,862
Commercial [Member] | Hotel/Motel [Member] | OAEM [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 3,982
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 1,954
Revolving Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 5,936
Commercial [Member] | Hotel/Motel [Member] | Substandard [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 4,023 |  | 4,023 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 1,954 |  | 1,954 |  | 1,118
Revolving Loans | 0 |  | 0 |  | 0
Total | 5,977 |  | 5,977 |  | 1,118
Commercial [Member] | Hotel/Motel [Member] | Doubtful [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 753
Revolving Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 753
Commercial [Member] | Commercial Real Estate Residential [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 139,877 |  | 139,877 |  | 112,381
2023/2022 | 96,018 |  | 96,018 |  | 92,104
2022/2021 | 84,194 |  | 84,194 |  | 103,901
2022/2020 | 67,072 |  | 67,072 |  | 33,201
2020/2019 | 29,295 |  | 29,295 |  | 12,914
Prior | 51,124 |  | 51,124 |  | 48,618
Revolving Loans | 17,424 |  | 17,424 |  | 14,824
Total | 485,004 |  | 485,004 |  | 417,943
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  |  |  | 0
2023/2022 |  |  |  |  | 0
2022/2021 |  |  |  |  | (28)
2021/2020 |  |  |  |  | 0
2020/2019 |  |  |  |  | 0
Prior |  |  |  |  | 0
Revolving loan |  |  |  |  | 0
Total | 0 | 0 | 0 | (28) | (28)
Commercial [Member] | Commercial Real Estate Residential [Member] | Pass [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 134,673 |  | 134,673 |  | 109,304
2023/2022 | 92,523 |  | 92,523 |  | 89,119
2022/2021 | 81,747 |  | 81,747 |  | 98,896
2022/2020 | 62,759 |  | 62,759 |  | 30,972
2020/2019 | 27,219 |  | 27,219 |  | 11,908
Prior | 40,772 |  | 40,772 |  | 36,964
Revolving Loans | 17,321 |  | 17,321 |  | 14,700
Total | 457,014 |  | 457,014 |  | 391,863
Commercial [Member] | Commercial Real Estate Residential [Member] | Watch [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 5,169 |  | 5,169 |  | 2,317
2023/2022 | 2,551 |  | 2,551 |  | 2,131
2022/2021 | 1,822 |  | 1,822 |  | 473
2022/2020 | 3,902 |  | 3,902 |  | 1,395
2020/2019 | 1,735 |  | 1,735 |  | 721
Prior | 5,508 |  | 5,508 |  | 6,359
Revolving Loans | 55 |  | 55 |  | 124
Total | 20,742 |  | 20,742 |  | 13,520
Commercial [Member] | Commercial Real Estate Residential [Member] | OAEM [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 121 |  | 121 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 88 |  | 88 |  | 63
Revolving Loans | 48 |  | 48 |  | 0
Total | 257 |  | 257 |  | 63
Commercial [Member] | Commercial Real Estate Residential [Member] | Substandard [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 35 |  | 35 |  | 760
2023/2022 | 823 |  | 823 |  | 854
2022/2021 | 625 |  | 625 |  | 4,532
2022/2020 | 411 |  | 411 |  | 834
2020/2019 | 341 |  | 341 |  | 285
Prior | 4,756 |  | 4,756 |  | 5,232
Revolving Loans | 0 |  | 0 |  | 0
Total | 6,991 |  | 6,991 |  | 12,497
Commercial [Member] | Commercial Real Estate Residential [Member] | Doubtful [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Commercial [Member] | Commercial Real Estate Nonresidential [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 140,002 |  | 140,002 |  | 155,080
2023/2022 | 129,988 |  | 129,988 |  | 147,857
2022/2021 | 131,628 |  | 131,628 |  | 144,933
2022/2020 | 135,682 |  | 135,682 |  | 82,314
2020/2019 | 79,583 |  | 79,583 |  | 59,788
Prior | 180,966 |  | 180,966 |  | 156,775
Revolving Loans | 37,136 |  | 37,136 |  | 31,890
Total | 834,985 |  | 834,985 |  | 778,637
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  |  |  | 0
2023/2022 |  |  |  |  | 0
2022/2021 |  |  |  |  | (7)
2021/2020 |  |  |  |  | 0
2020/2019 |  |  |  |  | 0
Prior |  |  |  |  | (287)
Revolving loan |  |  |  |  | 0
Total | 0 | 0 | 0 | (9) | (294)
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Pass [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 131,839 |  | 131,839 |  | 149,633
2023/2022 | 126,833 |  | 126,833 |  | 142,580
2022/2021 | 126,006 |  | 126,006 |  | 136,090
2022/2020 | 123,387 |  | 123,387 |  | 68,240
2020/2019 | 64,260 |  | 64,260 |  | 55,850
Prior | 162,619 |  | 162,619 |  | 140,074
Revolving Loans | 36,589 |  | 36,589 |  | 31,536
Total | 771,533 |  | 771,533 |  | 724,003
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Watch [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 3,710 |  | 3,710 |  | 552
2023/2022 | 1,622 |  | 1,622 |  | 3,664
2022/2021 | 4,054 |  | 4,054 |  | 6,305
2022/2020 | 9,656 |  | 9,656 |  | 2,347
2020/2019 | 4,119 |  | 4,119 |  | 1,938
Prior | 7,554 |  | 7,554 |  | 6,003
Revolving Loans | 547 |  | 547 |  | 354
Total | 31,262 |  | 31,262 |  | 21,163
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | OAEM [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 2,375
2023/2022 | 0 |  | 0 |  | 15
2022/2021 | 15 |  | 15 |  | 0
2022/2020 | 385 |  | 385 |  | 7,255
2020/2019 | 0 |  | 0 |  | 0
Prior | 48 |  | 48 |  | 1,486
Revolving Loans | 0 |  | 0 |  | 0
Total | 448 |  | 448 |  | 11,131
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Substandard [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 4,453 |  | 4,453 |  | 2,520
2023/2022 | 1,533 |  | 1,533 |  | 1,598
2022/2021 | 1,553 |  | 1,553 |  | 2,538
2022/2020 | 2,254 |  | 2,254 |  | 4,472
2020/2019 | 11,204 |  | 11,204 |  | 2,000
Prior | 10,743 |  | 10,743 |  | 9,199
Revolving Loans | 0 |  | 0 |  | 0
Total | 31,740 |  | 31,740 |  | 22,327
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Doubtful [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 2 |  | 2 |  | 13
Revolving Loans | 0 |  | 0 |  | 0
Total | 2 |  | 2 |  | 13
Commercial [Member] | Dealer Floorplans [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 86,693 |  | 86,693 |  | 70,308
Total | 86,693 |  | 86,693 |  | 70,308
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
Total | 0 | 0 | 0 | 0 | 0
Commercial [Member] | Dealer Floorplans [Member] | Pass [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 84,835 |  | 84,835 |  | 70,308
Total | 84,835 |  | 84,835 |  | 70,308
Commercial [Member] | Dealer Floorplans [Member] | Watch [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 1,858 |  | 1,858 |  | 0
Total | 1,858 |  | 1,858 |  | 0
Commercial [Member] | Dealer Floorplans [Member] | OAEM [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Commercial [Member] | Dealer Floorplans [Member] | Substandard [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Commercial [Member] | Dealer Floorplans [Member] | Doubtful [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Commercial [Member] | Commercial Other [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 82,503 |  | 82,503 |  | 79,203
2023/2022 | 53,494 |  | 53,494 |  | 52,265
2022/2021 | 44,292 |  | 44,292 |  | 41,398
2022/2020 | 36,394 |  | 36,394 |  | 31,049
2020/2019 | 26,698 |  | 26,698 |  | 5,230
Prior | 20,931 |  | 20,931 |  | 23,626
Revolving Loans | 89,631 |  | 89,631 |  | 88,311
Total | 353,943 |  | 353,943 |  | 321,082
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | (973) |  | (725)
2023/2022 |  |  | (11) |  | (710)
2022/2021 |  |  | (116) |  | (302)
2021/2020 |  |  | (17) |  | (27)
2020/2019 |  |  | (2) |  | (90)
Prior |  |  | (5) |  | (46)
Revolving loan |  |  | 0 |  | 0
Total |  |  | (1,124) |  | (1,900)
Commercial [Member] | Commercial Other [Member] | Pass [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 78,716 |  | 78,716 |  | 73,115
2023/2022 | 48,287 |  | 48,287 |  | 47,575
2022/2021 | 41,287 |  | 41,287 |  | 40,448
2022/2020 | 27,102 |  | 27,102 |  | 30,033
2020/2019 | 26,125 |  | 26,125 |  | 4,780
Prior | 20,196 |  | 20,196 |  | 22,588
Revolving Loans | 74,308 |  | 74,308 |  | 81,791
Total | 316,021 |  | 316,021 |  | 300,330
Commercial [Member] | Commercial Other [Member] | Watch [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 2,544 |  | 2,544 |  | 1,138
2023/2022 | 895 |  | 895 |  | 1,109
2022/2021 | 609 |  | 609 |  | 569
2022/2020 | 219 |  | 219 |  | 126
2020/2019 | 118 |  | 118 |  | 239
Prior | 567 |  | 567 |  | 635
Revolving Loans | 13,954 |  | 13,954 |  | 5,877
Total | 18,906 |  | 18,906 |  | 9,693
Commercial [Member] | Commercial Other [Member] | OAEM [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 29
2023/2022 | 28 |  | 28 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 8,609 |  | 8,609 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 30 |  | 30 |  | 30
Total | 8,667 |  | 8,667 |  | 59
Commercial [Member] | Commercial Other [Member] | Substandard [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 1,243 |  | 1,243 |  | 4,921
2023/2022 | 4,284 |  | 4,284 |  | 3,581
2022/2021 | 2,396 |  | 2,396 |  | 381
2022/2020 | 464 |  | 464 |  | 890
2020/2019 | 455 |  | 455 |  | 211
Prior | 168 |  | 168 |  | 403
Revolving Loans | 1,339 |  | 1,339 |  | 613
Total | 10,349 |  | 10,349 |  | 11,000
Commercial [Member] | Commercial Other [Member] | Doubtful [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Residential [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 130,527 |  | 130,527 |  | 200,442
2023/2022 | 200,489 |  | 200,489 |  | 162,607
2022/2021 | 146,387 |  | 146,387 |  | 160,008
2022/2020 | 149,640 |  | 149,640 |  | 119,964
2020/2019 | 111,115 |  | 111,115 |  | 57,134
Prior | 272,924 |  | 272,924 |  | 245,441
Revolving Loans | 155,054 |  | 155,054 |  | 138,964
Total | 1,166,136 |  | 1,166,136 |  | 1,084,560
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | 0 |  | (47)
2021/2020 |  |  | (27) |  | 0
2020/2019 |  |  | 0 |  | (40)
Prior |  |  | (101) |  | (76)
Revolving loan |  |  | 0 |  | 0
Total |  |  | (128) |  | (163)
Residential [Member] | Performing [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 130,527 |  | 130,527 |  | 200,442
2023/2022 | 199,633 |  | 199,633 |  | 162,407
2022/2021 | 145,699 |  | 145,699 |  | 159,857
2022/2020 | 148,965 |  | 148,965 |  | 119,772
2020/2019 | 110,835 |  | 110,835 |  | 56,601
Prior | 266,483 |  | 266,483 |  | 238,777
Revolving Loans | 154,593 |  | 154,593 |  | 138,663
Total | 1,156,735 |  | 1,156,735 |  | 1,076,519
Residential [Member] | Nonperforming [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 856 |  | 856 |  | 200
2022/2021 | 688 |  | 688 |  | 151
2022/2020 | 675 |  | 675 |  | 192
2020/2019 | 280 |  | 280 |  | 533
Prior | 6,441 |  | 6,441 |  | 6,664
Revolving Loans | 461 |  | 461 |  | 301
Total | 9,401 |  | 9,401 |  | 8,041
Residential [Member] | Real Estate Mortgage [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 130,527 |  | 130,527 |  | 200,442
2023/2022 | 200,489 |  | 200,489 |  | 162,607
2022/2021 | 146,387 |  | 146,387 |  | 160,008
2022/2020 | 149,640 |  | 149,640 |  | 119,964
2020/2019 | 111,115 |  | 111,115 |  | 57,134
Prior | 264,965 |  | 264,965 |  | 237,369
Revolving Loans | 0 |  | 0 |  | 0
Total | 1,003,123 |  | 1,003,123 |  | 937,524
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | (27) |  | (47)
2021/2020 |  |  | 0 |  | 0
2020/2019 |  |  | 0 |  | (40)
Prior |  |  | (61) |  | (53)
Revolving loan |  |  | 0 |  | 0
Total |  |  | (88) |  | (140)
Residential [Member] | Real Estate Mortgage [Member] | Performing [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 130,527 |  | 130,527 |  | 200,442
2023/2022 | 199,633 |  | 199,633 |  | 162,407
2022/2021 | 145,699 |  | 145,699 |  | 159,857
2022/2020 | 148,965 |  | 148,965 |  | 119,772
2020/2019 | 110,835 |  | 110,835 |  | 56,601
Prior | 258,933 |  | 258,933 |  | 231,147
Revolving Loans | 0 |  | 0 |  | 0
Total | 994,592 |  | 994,592 |  | 930,226
Residential [Member] | Real Estate Mortgage [Member] | Nonperforming [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 856 |  | 856 |  | 200
2022/2021 | 688 |  | 688 |  | 151
2022/2020 | 675 |  | 675 |  | 192
2020/2019 | 280 |  | 280 |  | 533
Prior | 6,032 |  | 6,032 |  | 6,222
Revolving Loans | 0 |  | 0 |  | 0
Total | 8,531 |  | 8,531 |  | 7,298
Residential [Member] | Home Equity Lines [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 7,959 |  | 7,959 |  | 8,072
Revolving Loans | 155,054 |  | 155,054 |  | 138,964
Total | 163,013 |  | 163,013 |  | 147,036
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | 0 |  | 0
2021/2020 |  |  | 0 |  | 0
2020/2019 |  |  | 0 |  | 0
Prior |  |  | (40) |  | (23)
Revolving loan |  |  | 0 |  | 0
Total | (40) | (10) | (40) | (23) | (23)
Residential [Member] | Home Equity Lines [Member] | Performing [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 7,550 |  | 7,550 |  | 7,630
Revolving Loans | 154,593 |  | 154,593 |  | 138,663
Total | 162,143 |  | 162,143 |  | 146,293
Residential [Member] | Home Equity Lines [Member] | Nonperforming [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 0 |  | 0 |  | 0
Prior | 409 |  | 409 |  | 442
Revolving Loans | 461 |  | 461 |  | 301
Total | 870 |  | 870 |  | 743
Consumer [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 275,974 |  | 275,974 |  | 422,868
2023/2022 | 310,220 |  | 310,220 |  | 286,035
2022/2021 | 208,087 |  | 208,087 |  | 135,649
2022/2020 | 93,858 |  | 93,858 |  | 84,890
2020/2019 | 53,145 |  | 53,145 |  | 30,740
Prior | 28,964 |  | 28,964 |  | 22,429
Revolving Loans | 0 |  | 0 |  | 0
Total | 970,248 |  | 970,248 |  | 982,611
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | (180) |  | (606)
2023/2022 |  |  | (2,390) |  | (2,583)
2022/2021 |  |  | (2,652) |  | (1,817)
2021/2020 |  |  | (1,289) |  | (529)
2020/2019 |  |  | (216) |  | (148)
Prior |  |  | (260) |  | (191)
Revolving loan |  |  | 0 |  | 0
Total |  |  | (6,987) |  | (5,874)
Consumer [Member] | Performing [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 275,916 |  | 275,916 |  | 422,735
2023/2022 | 309,976 |  | 309,976 |  | 285,808
2022/2021 | 207,404 |  | 207,404 |  | 135,481
2022/2020 | 93,789 |  | 93,789 |  | 84,879
2020/2019 | 53,129 |  | 53,129 |  | 30,718
Prior | 28,942 |  | 28,942 |  | 22,420
Revolving Loans | 0 |  | 0 |  | 0
Total | 969,156 |  | 969,156 |  | 982,041
Consumer [Member] | Nonperforming [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 58 |  | 58 |  | 133
2023/2022 | 244 |  | 244 |  | 227
2022/2021 | 683 |  | 683 |  | 168
2022/2020 | 69 |  | 69 |  | 11
2020/2019 | 16 |  | 16 |  | 22
Prior | 22 |  | 22 |  | 9
Revolving Loans | 0 |  | 0 |  | 0
Total | 1,092 |  | 1,092 |  | 570
Consumer [Member] | Consumer Direct [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 44,620 |  | 44,620 |  | 63,686
2023/2022 | 40,667 |  | 40,667 |  | 34,726
2022/2021 | 24,547 |  | 24,547 |  | 26,261
2022/2020 | 18,896 |  | 18,896 |  | 15,560
2020/2019 | 10,780 |  | 10,780 |  | 6,951
Prior | 14,551 |  | 14,551 |  | 11,922
Revolving Loans | 0 |  | 0 |  | 0
Total | 154,061 |  | 154,061 |  | 159,106
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | (9) |  | (65)
2023/2022 |  |  | (239) |  | (263)
2022/2021 |  |  | (593) |  | (129)
2021/2020 |  |  | (67) |  | (37)
2020/2019 |  |  | (18) |  | (27)
Prior |  |  | (45) |  | (20)
Revolving loan |  |  | 0 |  | 0
Total | (249) | (148) | (971) | (386) | (541)
Consumer [Member] | Consumer Direct [Member] | Performing [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 44,620 |  | 44,620 |  | 63,686
2023/2022 | 40,654 |  | 40,654 |  | 34,722
2022/2021 | 24,086 |  | 24,086 |  | 26,250
2022/2020 | 18,896 |  | 18,896 |  | 15,560
2020/2019 | 10,773 |  | 10,773 |  | 6,951
Prior | 14,545 |  | 14,545 |  | 11,922
Revolving Loans | 0 |  | 0 |  | 0
Total | 153,574 |  | 153,574 |  | 159,091
Consumer [Member] | Consumer Direct [Member] | Nonperforming [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 13 |  | 13 |  | 4
2022/2021 | 461 |  | 461 |  | 11
2022/2020 | 0 |  | 0 |  | 0
2020/2019 | 7 |  | 7 |  | 0
Prior | 6 |  | 6 |  | 0
Revolving Loans | 0 |  | 0 |  | 0
Total | 487 |  | 487 |  | 15
Consumer [Member] | Consumer Indirect [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 231,354 |  | 231,354 |  | 359,182
2023/2022 | 269,553 |  | 269,553 |  | 251,309
2022/2021 | 183,540 |  | 183,540 |  | 109,388
2022/2020 | 74,962 |  | 74,962 |  | 69,330
2020/2019 | 42,365 |  | 42,365 |  | 23,789
Prior | 14,413 |  | 14,413 |  | 10,507
Revolving Loans | 0 |  | 0 |  | 0
Total | 816,187 |  | 816,187 |  | 823,505
Current Period Gross Charge-Offs [Abstract] |  |  |  |  |
2024/2023 |  |  | (171) |  | (541)
2023/2022 |  |  | (2,151) |  | (2,320)
2022/2021 |  |  | (2,059) |  | (1,688)
2021/2020 |  |  | (1,222) |  | (492)
2020/2019 |  |  | (198) |  | (121)
Prior |  |  | (215) |  | (171)
Revolving loan |  |  | 0 |  | 0
Total | (2,132) | $ (1,655) | (6,016) | $ (3,730) | (5,333)
Consumer [Member] | Consumer Indirect [Member] | Performing [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 231,296 |  | 231,296 |  | 359,049
2023/2022 | 269,322 |  | 269,322 |  | 251,086
2022/2021 | 183,318 |  | 183,318 |  | 109,231
2022/2020 | 74,893 |  | 74,893 |  | 69,319
2020/2019 | 42,356 |  | 42,356 |  | 23,767
Prior | 14,397 |  | 14,397 |  | 10,498
Revolving Loans | 0 |  | 0 |  | 0
Total | 815,582 |  | 815,582 |  | 822,950
Consumer [Member] | Consumer Indirect [Member] | Nonperforming [Member] |  |  |  |  |
Credit Risk Profile, Segregated by Class [Abstract] |  |  |  |  |
2024/2023 | 58 |  | 58 |  | 133
2023/2022 | 231 |  | 231 |  | 223
2022/2021 | 222 |  | 222 |  | 157
2022/2020 | 69 |  | 69 |  | 11
2020/2019 | 9 |  | 9 |  | 22
Prior | 16 |  | 16 |  | 9
Revolving Loans | 0 |  | 0 |  | 0
Total | $ 605 |  | $ 605 |  | $ 555

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