Loans, net and allowance for credit losses - Major Classification of Loans Portfolio Summarized by Credit Quality (Details) - USD ($) $ in Thousands |
3 Months Ended |
12 Months Ended |
Mar. 31, 2026 |
Dec. 31, 2025 |
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
$ 204,124
|
$ 597,375
|
| Year 2 |
609,478
|
331,412
|
| Year 3 |
322,467
|
345,156
|
| Year 4 |
312,706
|
789,146
|
| Year 5 |
763,201
|
693,743
|
| Prior |
1,533,987
|
889,070
|
| Revolving Loans Amortized Cost Basis |
443,654
|
420,823
|
| Revolving Loans Converted to Term |
585
|
171
|
| Total |
4,190,202
|
4,066,896
|
| Gross charge-offs, Year 1 |
|
210
|
| Gross charge-offs, Year 2 |
147
|
696
|
| Gross charge-offs, Year 3 |
362
|
1,139
|
| Gross charge-offs, Year 4 |
110
|
1,972
|
| Gross charge-offs, Year 5 |
278
|
173
|
| Gross charge-offs, Prior |
79
|
643
|
| Total |
976
|
4,833
|
| Commercial and industrial |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
25,430
|
81,546
|
| Year 2 |
77,843
|
70,393
|
| Year 3 |
68,838
|
58,189
|
| Year 4 |
41,949
|
57,219
|
| Year 5 |
53,611
|
39,607
|
| Prior |
131,067
|
94,768
|
| Revolving Loans Amortized Cost Basis |
276,611
|
266,126
|
| Revolving Loans Converted to Term |
97
|
100
|
| Total |
675,446
|
667,948
|
| Gross charge-offs, Year 2 |
|
300
|
| Gross charge-offs, Year 4 |
|
24
|
| Gross charge-offs, Year 5 |
|
57
|
| Gross charge-offs, Prior |
|
493
|
| Total |
|
874
|
| Municipal |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
10,835
|
23,125
|
| Year 2 |
19,850
|
4,324
|
| Year 3 |
4,305
|
1,354
|
| Year 4 |
1,275
|
45,369
|
| Year 5 |
45,089
|
88,165
|
| Prior |
129,271
|
38,331
|
| Revolving Loans Amortized Cost Basis |
1,961
|
1,635
|
| Total |
212,586
|
202,303
|
| Commercial real estate |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
142,189
|
360,438
|
| Year 2 |
384,049
|
146,991
|
| Year 3 |
147,005
|
176,362
|
| Year 4 |
170,298
|
575,829
|
| Year 5 |
563,359
|
450,704
|
| Prior |
1,015,639
|
603,715
|
| Revolving Loans Converted to Term |
488
|
71
|
| Total |
2,423,027
|
2,314,110
|
| Gross charge-offs, Year 4 |
|
853
|
| Gross charge-offs, Prior |
|
95
|
| Total |
|
948
|
| Residential real estate |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
13,330
|
56,021
|
| Year 2 |
55,364
|
38,109
|
| Year 3 |
37,775
|
40,913
|
| Year 4 |
39,653
|
66,927
|
| Year 5 |
65,554
|
104,792
|
| Prior |
247,752
|
148,990
|
| Revolving Loans Amortized Cost Basis |
158,728
|
146,557
|
| Total |
618,156
|
602,309
|
| Gross charge-offs, Year 4 |
|
92
|
| Total |
|
92
|
| Consumer |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
4,031
|
25,601
|
| Year 2 |
23,407
|
19,907
|
| Year 3 |
17,733
|
24,154
|
| Year 4 |
21,264
|
22,054
|
| Year 5 |
18,763
|
9,751
|
| Prior |
9,766
|
3,266
|
| Revolving Loans Amortized Cost Basis |
6,354
|
6,505
|
| Total |
101,318
|
111,238
|
| Gross charge-offs, Year 2 |
147
|
195
|
| Gross charge-offs, Year 3 |
199
|
361
|
| Gross charge-offs, Year 4 |
72
|
342
|
| Gross charge-offs, Year 5 |
97
|
116
|
| Gross charge-offs, Prior |
79
|
55
|
| Total |
594
|
1,069
|
| Equipment financing |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
8,309
|
50,644
|
| Year 2 |
48,965
|
51,688
|
| Year 3 |
46,811
|
44,184
|
| Year 4 |
38,267
|
21,748
|
| Year 5 |
16,825
|
724
|
| Prior |
492
|
|
| Total |
159,669
|
168,988
|
| Gross charge-offs, Year 1 |
|
210
|
| Gross charge-offs, Year 2 |
|
201
|
| Gross charge-offs, Year 3 |
163
|
778
|
| Gross charge-offs, Year 4 |
38
|
661
|
| Gross charge-offs, Year 5 |
181
|
|
| Total |
382
|
1,850
|
| Pass | Commercial and industrial |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
25,400
|
81,246
|
| Year 2 |
77,843
|
69,710
|
| Year 3 |
68,176
|
57,789
|
| Year 4 |
41,562
|
53,915
|
| Year 5 |
51,048
|
38,907
|
| Prior |
130,260
|
94,729
|
| Revolving Loans Amortized Cost Basis |
262,840
|
251,834
|
| Revolving Loans Converted to Term |
97
|
100
|
| Total |
657,226
|
648,230
|
| Pass | Municipal |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
10,835
|
23,125
|
| Year 2 |
19,850
|
4,324
|
| Year 3 |
4,305
|
1,354
|
| Year 4 |
1,275
|
45,369
|
| Year 5 |
45,089
|
88,165
|
| Prior |
129,271
|
38,331
|
| Revolving Loans Amortized Cost Basis |
1,961
|
1,635
|
| Total |
212,586
|
202,303
|
| Pass | Commercial real estate |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
142,110
|
359,323
|
| Year 2 |
382,338
|
146,483
|
| Year 3 |
145,846
|
175,145
|
| Year 4 |
168,925
|
566,480
|
| Year 5 |
554,023
|
441,660
|
| Prior |
988,644
|
586,189
|
| Revolving Loans Converted to Term |
488
|
71
|
| Total |
2,382,374
|
2,275,351
|
| Pass | Residential real estate |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
13,330
|
56,021
|
| Year 2 |
55,364
|
38,109
|
| Year 3 |
37,775
|
40,913
|
| Year 4 |
39,653
|
66,927
|
| Year 5 |
65,554
|
104,534
|
| Prior |
246,611
|
148,121
|
| Revolving Loans Amortized Cost Basis |
158,533
|
146,380
|
| Total |
616,820
|
601,005
|
| Pass | Consumer |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
4,031
|
25,443
|
| Year 2 |
23,391
|
19,746
|
| Year 3 |
17,681
|
24,017
|
| Year 4 |
21,093
|
21,716
|
| Year 5 |
18,524
|
9,574
|
| Prior |
9,705
|
3,153
|
| Revolving Loans Amortized Cost Basis |
6,353
|
6,493
|
| Total |
100,778
|
110,142
|
| Pass | Equipment financing |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
8,309
|
50,357
|
| Year 2 |
48,545
|
51,024
|
| Year 3 |
46,086
|
43,364
|
| Year 4 |
37,338
|
21,050
|
| Year 5 |
16,393
|
724
|
| Prior |
492
|
|
| Total |
157,163
|
166,519
|
| Special mention | Commercial and industrial |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
|
300
|
| Year 2 |
|
572
|
| Year 4 |
|
2,725
|
| Year 5 |
323
|
36
|
| Prior |
28
|
9
|
| Revolving Loans Amortized Cost Basis |
2,134
|
8,718
|
| Total |
2,485
|
12,360
|
| Special mention | Commercial real estate |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
|
573
|
| Year 2 |
567
|
|
| Year 4 |
111
|
1,508
|
| Year 5 |
1,255
|
2,174
|
| Prior |
11,047
|
9,149
|
| Total |
12,980
|
13,404
|
| Special mention | Equipment financing |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 3 |
|
129
|
| Year 4 |
118
|
12
|
| Year 5 |
36
|
|
| Total |
154
|
141
|
| Substandard | Commercial and industrial |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
30
|
|
| Year 2 |
|
111
|
| Year 3 |
662
|
400
|
| Year 4 |
387
|
579
|
| Year 5 |
2,240
|
664
|
| Prior |
779
|
30
|
| Revolving Loans Amortized Cost Basis |
11,637
|
5,574
|
| Total |
15,735
|
7,358
|
| Substandard | Commercial real estate |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
79
|
542
|
| Year 2 |
1,144
|
508
|
| Year 3 |
1,159
|
1,217
|
| Year 4 |
1,262
|
7,841
|
| Year 5 |
8,081
|
6,870
|
| Prior |
15,948
|
8,377
|
| Total |
27,673
|
25,355
|
| Substandard | Residential real estate |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 5 |
|
258
|
| Prior |
1,141
|
869
|
| Revolving Loans Amortized Cost Basis |
195
|
177
|
| Total |
1,336
|
1,304
|
| Substandard | Consumer |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
|
158
|
| Year 2 |
16
|
161
|
| Year 3 |
52
|
137
|
| Year 4 |
171
|
338
|
| Year 5 |
239
|
177
|
| Prior |
61
|
113
|
| Revolving Loans Amortized Cost Basis |
1
|
12
|
| Total |
540
|
1,096
|
| Substandard | Equipment financing |
|
|
| Accounts, Notes, Loans and Financing Receivable |
|
|
| Year 1 |
|
287
|
| Year 2 |
420
|
664
|
| Year 3 |
725
|
691
|
| Year 4 |
811
|
686
|
| Year 5 |
396
|
|
| Total |
$ 2,352
|
$ 2,328
|