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Loans, net and allowance for credit losses - Major Classification of Loans Portfolio Summarized by Credit Quality (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2026 | Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | $ 430,563 | $ 597,375
Year 2 | 615,231 | 331,412
Year 3 | 311,506 | 345,156
Year 4 | 294,314 | 789,146
Year 5 | 726,601 | 693,743
Prior | 1,466,611 | 889,070
Revolving Loans Amortized Cost Basis | 456,374 | 420,823
Revolving Loans Converted to Term | 1,621 | 171
Total | 4,302,821 | 4,066,896
Gross charge-offs, Year 1 |  | 210
Gross charge-offs, Year 2 | 201 | 696
Gross charge-offs, Year 3 | 542 | 1,139
Gross charge-offs, Year 4 | 255 | 1,972
Gross charge-offs, Year 5 | 344 | 173
Gross charge-offs, Prior | 331 | 643
Total | 1,673 | 4,833
Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 79,094 | 81,546
Year 2 | 79,464 | 70,393
Year 3 | 70,023 | 58,189
Year 4 | 37,720 | 57,219
Year 5 | 49,828 | 39,607
Prior | 122,036 | 94,768
Revolving Loans Amortized Cost Basis | 274,530 | 266,126
Revolving Loans Converted to Term | 10 | 100
Total | 712,705 | 667,948
Gross charge-offs, Year 2 |  | 300
Gross charge-offs, Year 3 | 98 |
Gross charge-offs, Year 4 |  | 24
Gross charge-offs, Year 5 |  | 57
Gross charge-offs, Prior | 58 | 493
Total | 156 | 874
Municipal |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 18,410 | 23,125
Year 2 | 12,249 | 4,324
Year 3 | 4,266 | 1,354
Year 4 | 1,181 | 45,369
Year 5 | 44,955 | 88,165
Prior | 117,647 | 38,331
Revolving Loans Amortized Cost Basis | 1,844 | 1,635
Total | 200,552 | 202,303
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 262,544 | 360,438
Year 2 | 402,629 | 146,991
Year 3 | 142,812 | 176,362
Year 4 | 165,992 | 575,829
Year 5 | 538,777 | 450,704
Prior | 976,145 | 603,715
Revolving Loans Converted to Term | 1,611 | 71
Total | 2,490,510 | 2,314,110
Gross charge-offs, Year 4 |  | 853
Gross charge-offs, Prior | 166 | 95
Total | 166 | 948
Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 31,623 | 56,021
Year 2 | 55,146 | 38,109
Year 3 | 36,952 | 40,913
Year 4 | 38,658 | 66,927
Year 5 | 64,674 | 104,792
Prior | 240,670 | 148,990
Revolving Loans Amortized Cost Basis | 172,277 | 146,557
Total | 640,000 | 602,309
Gross charge-offs, Year 4 |  | 92
Total |  | 92
Consumer |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 12,558 | 25,601
Year 2 | 21,442 | 19,907
Year 3 | 15,879 | 24,154
Year 4 | 18,297 | 22,054
Year 5 | 15,287 | 9,751
Prior | 8,310 | 3,266
Revolving Loans Amortized Cost Basis | 7,723 | 6,505
Total | 99,496 | 111,238
Gross charge-offs, Year 2 | 191 | 195
Gross charge-offs, Year 3 | 265 | 361
Gross charge-offs, Year 4 | 179 | 342
Gross charge-offs, Year 5 | 163 | 116
Gross charge-offs, Prior | 107 | 55
Total | 905 | 1,069
Equipment financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 26,334 | 50,644
Year 2 | 44,301 | 51,688
Year 3 | 41,574 | 44,184
Year 4 | 32,466 | 21,748
Year 5 | 13,080 | 724
Prior | 1,803 |
Total | 159,558 | 168,988
Gross charge-offs, Year 1 |  | 210
Gross charge-offs, Year 2 | 10 | 201
Gross charge-offs, Year 3 | 179 | 778
Gross charge-offs, Year 4 | 76 | 661
Gross charge-offs, Year 5 | 181 |
Total | 446 | 1,850
Pass | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 79,012 | 81,246
Year 2 | 79,091 | 69,710
Year 3 | 69,493 | 57,789
Year 4 | 37,572 | 53,915
Year 5 | 47,570 | 38,907
Prior | 121,229 | 94,729
Revolving Loans Amortized Cost Basis | 260,449 | 251,834
Revolving Loans Converted to Term | 10 | 100
Total | 694,426 | 648,230
Pass | Municipal |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 18,410 | 23,125
Year 2 | 12,249 | 4,324
Year 3 | 4,266 | 1,354
Year 4 | 1,181 | 45,369
Year 5 | 44,955 | 88,165
Prior | 117,647 | 38,331
Revolving Loans Amortized Cost Basis | 1,844 | 1,635
Total | 200,552 | 202,303
Pass | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 262,447 | 359,323
Year 2 | 400,923 | 146,483
Year 3 | 141,666 | 175,145
Year 4 | 158,685 | 566,480
Year 5 | 526,125 | 441,660
Prior | 947,847 | 586,189
Revolving Loans Converted to Term | 1,396 | 71
Total | 2,439,089 | 2,275,351
Pass | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 31,623 | 56,021
Year 2 | 55,146 | 38,109
Year 3 | 36,952 | 40,913
Year 4 | 38,658 | 66,927
Year 5 | 64,674 | 104,534
Prior | 239,711 | 148,121
Revolving Loans Amortized Cost Basis | 172,104 | 146,380
Total | 638,868 | 601,005
Pass | Consumer |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 12,556 | 25,443
Year 2 | 21,434 | 19,746
Year 3 | 15,801 | 24,017
Year 4 | 18,214 | 21,716
Year 5 | 15,170 | 9,574
Prior | 8,263 | 3,153
Revolving Loans Amortized Cost Basis | 7,717 | 6,493
Total | 99,155 | 110,142
Pass | Equipment financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 26,334 | 50,357
Year 2 | 43,913 | 51,024
Year 3 | 40,926 | 43,364
Year 4 | 31,671 | 21,050
Year 5 | 12,722 | 724
Prior | 1,803 |
Total | 157,369 | 166,519
Special mention | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 36 | 300
Year 2 |  | 572
Year 4 |  | 2,725
Year 5 | 300 | 36
Prior | 15 | 9
Revolving Loans Amortized Cost Basis | 1,873 | 8,718
Total | 2,224 | 12,360
Special mention | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 |  | 573
Year 2 | 562 |
Year 4 | 5,760 | 1,508
Year 5 | 629 | 2,174
Prior | 10,001 | 9,149
Total | 16,952 | 13,404
Special mention | Equipment financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 3 |  | 129
Year 4 |  | 12
Total |  | 141
Substandard | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 46 |
Year 2 | 373 | 111
Year 3 | 530 | 400
Year 4 | 148 | 579
Year 5 | 1,958 | 664
Prior | 792 | 30
Revolving Loans Amortized Cost Basis | 12,208 | 5,574
Total | 16,055 | 7,358
Substandard | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 97 | 542
Year 2 | 1,144 | 508
Year 3 | 1,146 | 1,217
Year 4 | 1,547 | 7,841
Year 5 | 12,023 | 6,870
Prior | 18,297 | 8,377
Revolving Loans Converted to Term | 215 |
Total | 34,469 | 25,355
Substandard | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 5 |  | 258
Prior | 959 | 869
Revolving Loans Amortized Cost Basis | 173 | 177
Total | 1,132 | 1,304
Substandard | Consumer |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 2 | 158
Year 2 | 8 | 161
Year 3 | 78 | 137
Year 4 | 83 | 338
Year 5 | 117 | 177
Prior | 47 | 113
Revolving Loans Amortized Cost Basis | 6 | 12
Total | 341 | 1,096
Substandard | Equipment financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 |  | 287
Year 2 | 388 | 664
Year 3 | 648 | 691
Year 4 | 795 | 686
Year 5 | 358 |
Total | $ 2,189 | $ 2,328

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