Loans, Allowance for Credit Losses, Credit Quality and Off-Balance Sheet Credit Exposures (Details 3) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
| Residential real estate - 1st lien [Member] |
|
|
| 2026 |
$ 58,528
|
|
| 2025 |
43,638
|
$ 44,262
|
| 2024 |
27,766
|
26,622
|
| 2023 |
23,240
|
26,189
|
| 2022 |
29,535
|
31,369
|
| 2021 |
|
33,048
|
| Prior |
88,661
|
70,621
|
| Revolving loan amortized cost basis |
4,119
|
4,445
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
275,487
|
236,556
|
| Commercial Real Estate [Member] |
|
|
| 2026 |
41,210
|
|
| 2025 |
60,891
|
60,156
|
| 2024 |
53,480
|
57,067
|
| 2023 |
82,892
|
86,196
|
| 2022 |
75,310
|
88,412
|
| 2021 |
|
32,288
|
| Prior |
146,501
|
130,993
|
| Revolving loan amortized cost basis |
45,079
|
44,536
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
505,363
|
499,648
|
| Municipal [Member] |
|
|
| 2026 |
31,573
|
|
| 2025 |
5,092
|
26,477
|
| 2024 |
3,793
|
4,074
|
| 2023 |
95
|
136
|
| 2022 |
152
|
236
|
| 2021 |
|
2,579
|
| Prior |
12,008
|
10,707
|
| Revolving loan amortized cost basis |
15,137
|
17,870
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
67,850
|
62,079
|
| Residential real estate - Jr lien [Member] |
|
|
| 2026 |
1,513
|
|
| 2025 |
5,748
|
6,149
|
| 2024 |
3,813
|
3,073
|
| 2023 |
1,125
|
1,490
|
| 2022 |
1,284
|
1,425
|
| 2021 |
|
279
|
| Prior |
1,259
|
1,106
|
| Revolving loan amortized cost basis |
33,375
|
31,264
|
| Revolving loan converted to term |
1,784
|
1,686
|
| Total loan |
49,901
|
46,472
|
| Consumer [Member] |
|
|
| 2026 |
1,130
|
|
| 2025 |
668
|
1,583
|
| 2024 |
453
|
695
|
| 2023 |
187
|
395
|
| 2022 |
77
|
182
|
| 2021 |
|
73
|
| Prior |
98
|
134
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
2,613
|
3,062
|
| Commercial & industrial [Member] |
|
|
| 2026 |
14,797
|
|
| 2025 |
10,621
|
11,960
|
| 2024 |
14,906
|
17,660
|
| 2023 |
7,614
|
10,344
|
| 2022 |
13,327
|
15,636
|
| 2021 |
|
4,019
|
| Prior |
5,630
|
5,047
|
| Revolving loan amortized cost basis |
46,521
|
42,793
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
113,416
|
107,459
|
| Purchased [Member] |
|
|
| 2026 |
3,410
|
|
| 2025 |
0
|
4,213
|
| 2024 |
0
|
0
|
| 2023 |
2,008
|
3,046
|
| 2022 |
57
|
67
|
| 2021 |
|
733
|
| Prior |
2,031
|
1,951
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
7,506
|
10,010
|
| Total Loans Amount [Member] |
|
|
| 2026 |
152,161
|
|
| 2025 |
126,658
|
154,800
|
| 2024 |
104,211
|
109,191
|
| 2023 |
117,161
|
127,796
|
| 2022 |
119,742
|
137,327
|
| 2021 |
|
73,019
|
| Prior |
256,188
|
220,559
|
| Revolving loan amortized cost basis |
144,231
|
140,908
|
| Revolving loan converted to term |
1,784
|
1,686
|
| Total loan |
1,022,136
|
965,286
|
| Substandard Doubtful [Member] | Residential real estate - 1st lien [Member] |
|
|
| 2026 |
2,398
|
|
| 2025 |
119
|
0
|
| 2024 |
0
|
0
|
| 2023 |
40
|
41
|
| 2022 |
118
|
0
|
| 2021 |
|
107
|
| Prior |
146
|
1,852
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
2,821
|
2,000
|
| Substandard Doubtful [Member] | Residential real estate - Jr lien [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| 2021 |
|
0
|
| Prior |
11
|
15
|
| Revolving loan amortized cost basis |
197
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
208
|
15
|
| Substandard Doubtful [Member] | Commercial & industrial [Member] |
|
|
| 2026 |
12
|
|
| 2025 |
0
|
0
|
| 2024 |
63
|
0
|
| 2023 |
483
|
545
|
| 2022 |
3,667
|
3,948
|
| 2021 |
|
497
|
| Prior |
903
|
1,374
|
| Revolving loan amortized cost basis |
1,588
|
2,369
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
6,716
|
8,733
|
| Pass [Member] | Residential real estate - 1st lien [Member] |
|
|
| 2026 |
56,130
|
|
| 2025 |
43,519
|
44,262
|
| 2024 |
27,766
|
26,622
|
| 2023 |
22,967
|
25,994
|
| 2022 |
28,948
|
31,186
|
| 2021 |
|
32,717
|
| Prior |
88,171
|
68,611
|
| Revolving loan amortized cost basis |
4,119
|
4,445
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
271,620
|
233,837
|
| Pass [Member] | Commercial Real Estates [Member] |
|
|
| 2026 |
41,210
|
|
| 2025 |
60,449
|
59,936
|
| 2024 |
49,729
|
55,850
|
| 2023 |
71,120
|
81,591
|
| 2022 |
71,841
|
88,236
|
| 2021 |
|
32,288
|
| Prior |
139,509
|
118,864
|
| Revolving loan amortized cost basis |
44,881
|
44,536
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
478,739
|
481,301
|
| Pass [Member] | Municipal [Member] |
|
|
| 2026 |
31,573
|
|
| 2025 |
5,092
|
26,477
|
| 2024 |
3,793
|
4,074
|
| 2023 |
95
|
136
|
| 2022 |
152
|
236
|
| 2021 |
|
2,579
|
| Prior |
10,841
|
9,469
|
| Revolving loan amortized cost basis |
15,137
|
17,870
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
66,683
|
60,841
|
| Pass [Member] | Residential real estate - Jr lien [Member] |
|
|
| 2026 |
1,513
|
|
| 2025 |
5,748
|
6,149
|
| 2024 |
3,748
|
3,005
|
| 2023 |
1,125
|
1,490
|
| 2022 |
1,284
|
1,425
|
| 2021 |
|
279
|
| Prior |
1,197
|
1,030
|
| Revolving loan amortized cost basis |
33,178
|
31,264
|
| Revolving loan converted to term |
1,784
|
1,686
|
| Total loan |
49,577
|
46,328
|
| Pass [Member] | Consumer [Member] |
|
|
| 2026 |
1,130
|
|
| 2025 |
668
|
1,583
|
| 2024 |
453
|
695
|
| 2023 |
187
|
395
|
| 2022 |
77
|
182
|
| 2021 |
|
73
|
| Prior |
98
|
134
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
2,613
|
3,062
|
| Pass [Member] | Commercial & industrial [Member] |
|
|
| 2026 |
14,785
|
|
| 2025 |
10,613
|
11,960
|
| 2024 |
14,704
|
17,660
|
| 2023 |
7,003
|
9,792
|
| 2022 |
8,732
|
11,597
|
| 2021 |
|
3,493
|
| Prior |
4,674
|
3,673
|
| Revolving loan amortized cost basis |
41,106
|
39,322
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
101,617
|
97,497
|
| Pass [Member] | Purchased [Member] |
|
|
| 2026 |
3,410
|
|
| 2025 |
0
|
4,213
|
| 2024 |
0
|
0
|
| 2023 |
2,008
|
3,046
|
| 2022 |
57
|
67
|
| 2021 |
|
733
|
| Prior |
2,031
|
1,951
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
7,506
|
10,010
|
| Special mention [Member] | Residential real estate - 1st lien [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
233
|
154
|
| 2022 |
469
|
183
|
| 2021 |
|
224
|
| Prior |
344
|
158
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
1,046
|
719
|
| Special mention [Member] | Commercial Real Estates [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
442
|
0
|
| 2024 |
2,008
|
0
|
| 2023 |
11,578
|
4,605
|
| 2022 |
3,354
|
176
|
| 2021 |
|
0
|
| Prior |
2,578
|
7,034
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
19,960
|
11,815
|
| Special mention [Member] | Residential Real Estate Jr Lien [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
0
|
| 2024 |
65
|
68
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| 2021 |
|
0
|
| Prior |
51
|
61
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
116
|
129
|
| Special mention [Member] | Municipal [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
1,167
|
1,238
|
| Revolving loan amortized cost basis |
0
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
1,167
|
1,238
|
| Special mention [Member] | Commercial & industrial [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
8
|
0
|
| 2024 |
139
|
0
|
| 2023 |
128
|
7
|
| 2022 |
928
|
91
|
| 2021 |
|
29
|
| Prior |
53
|
0
|
| Revolving loan amortized cost basis |
3,827
|
1,102
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
5,083
|
1,229
|
| Substandard Doubtfuls [Member] | Commercial Real Estates [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
220
|
| 2024 |
1,743
|
1,217
|
| 2023 |
194
|
0
|
| 2022 |
115
|
0
|
| 2021 |
|
0
|
| Prior |
4,414
|
5,095
|
| Revolving loan amortized cost basis |
198
|
0
|
| Revolving loan converted to term |
0
|
0
|
| Total loan |
6,664
|
6,532
|
| Current Period Gross Charge Offs [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
52
|
84
|
| 2024 |
11
|
17
|
| 2023 |
18
|
13
|
| 2022 |
13
|
18
|
| 2021 |
|
1
|
| Prior |
53
|
367
|
| Total loan |
147
|
500
|
| Current Period Gross Charge Offs [Member] | Residential real estate - 1st lien [Member] |
|
|
| 2025 |
|
0
|
| 2024 |
|
0
|
| 2023 |
|
0
|
| 2022 |
|
13
|
| 2021 |
|
0
|
| Prior |
|
0
|
| Total loan |
|
13
|
| Current Period Gross Charge Offs [Member] | Consumer [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
11
|
1
|
| 2024 |
11
|
17
|
| 2023 |
0
|
5
|
| 2022 |
0
|
5
|
| 2021 |
|
1
|
| Prior |
53
|
64
|
| Total loan |
75
|
93
|
| Current Period Gross Charge Offs [Member] | Commercial & industrial [Member] |
|
|
| 2026 |
0
|
|
| 2025 |
41
|
83
|
| 2024 |
0
|
0
|
| 2023 |
18
|
8
|
| 2022 |
13
|
0
|
| 2021 |
|
0
|
| Prior |
0
|
303
|
| Total loan |
$ 72
|
$ 394
|