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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, 2025 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | $ 267,950 | $ 365,944
Year 2 | 356,838 | 427,965
Year 3 | 383,931 | 955,611
Year 4 | 874,183 | 855,257
Year 5 | 764,782 | 257,621
Prior | 983,824 | 796,306
Revolving Loans Amortized Cost Basis | 364,495 | 334,666
Revolving Loans Converted to Term | 1,522 | 135
Total | 3,997,525 | 3,993,505
Gross charge-offs, Year 1 |  | 90
Gross charge-offs, Year 2 | 104 | 837
Gross charge-offs, Year 3 | 765 | 364
Gross charge-offs, Year 4 | 887 | 185
Gross charge-offs, Year 5 | 113 | 32
Gross charge-offs, Prior | 515 | 377
Total | 2,384 | 1,885
Commercial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 53,488 | 62,930
Year 2 | 69,139 | 70,760
Year 3 | 62,545 | 84,663
Year 4 | 72,239 | 78,867
Year 5 | 60,235 | 32,078
Prior | 120,752 | 93,764
Revolving Loans Amortized Cost Basis | 239,107 | 224,972
Revolving Loans Converted to Term | 1,034 | 68
Total | 678,539 | 648,102
Gross charge-offs, Year 2 |  | 41
Gross charge-offs, Year 4 | 24 | 2
Gross charge-offs, Year 5 | 57 |
Gross charge-offs, Prior | 491 | 8
Total | 572 | 51
Municipal |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 10,194 | 5,072
Year 2 | 10,414 | 6,254
Year 3 | 1,387 | 50,886
Year 4 | 49,464 | 99,064
Year 5 | 96,720 | 9,932
Prior | 24,803 | 13,816
Revolving Loans Amortized Cost Basis | 1,547 | 2,894
Total | 194,529 | 187,918
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 130,417 | 162,417
Year 2 | 152,896 | 200,101
Year 3 | 191,059 | 662,861
Year 4 | 621,629 | 530,700
Year 5 | 483,371 | 160,309
Prior | 672,714 | 577,725
Revolving Loans Converted to Term | 488 |
Total | 2,252,574 | 2,294,113
Gross charge-offs, Year 4 | 62 |
Gross charge-offs, Prior |  | 282
Total | 62 | 282
Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 28,548 | 39,488
Year 2 | 38,840 | 45,172
Year 3 | 42,289 | 77,862
Year 4 | 70,653 | 123,280
Year 5 | 109,324 | 51,127
Prior | 161,207 | 108,442
Revolving Loans Amortized Cost Basis | 123,003 | 105,945
Revolving Loans Converted to Term |  | 67
Total | 573,864 | 551,383
Gross charge-offs, Year 4 | 92 |
Total | 92 |
Consumer |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 14,182 | 28,937
Year 2 | 24,707 | 38,379
Year 3 | 30,797 | 38,877
Year 4 | 29,847 | 19,087
Year 5 | 13,828 | 4,175
Prior | 4,348 | 2,559
Revolving Loans Amortized Cost Basis | 838 | 855
Total | 118,547 | 132,869
Gross charge-offs, Year 1 |  | 90
Gross charge-offs, Year 2 | 104 | 245
Gross charge-offs, Year 3 | 206 | 255
Gross charge-offs, Year 4 | 256 | 183
Gross charge-offs, Year 5 | 56 | 32
Gross charge-offs, Prior | 24 | 87
Total | 646 | 892
Equipment Financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 31,121 | 67,100
Year 2 | 60,842 | 67,299
Year 3 | 55,854 | 40,462
Year 4 | 30,351 | 4,259
Year 5 | 1,304 |
Total | 179,472 | 179,120
Gross charge-offs, Year 2 |  | 551
Gross charge-offs, Year 3 | 559 | 109
Gross charge-offs, Year 4 | 453 |
Total | 1,012 | 660
Pass | Commercial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 53,110 | 61,657
Year 2 | 67,936 | 69,329
Year 3 | 60,956 | 83,123
Year 4 | 71,046 | 64,488
Year 5 | 55,199 | 29,950
Prior | 117,515 | 91,906
Revolving Loans Amortized Cost Basis | 215,243 | 199,737
Revolving Loans Converted to Term | 128 | 68
Total | 641,133 | 600,258
Pass | Municipal |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 10,194 | 5,072
Year 2 | 10,414 | 6,254
Year 3 | 1,387 | 50,886
Year 4 | 49,464 | 99,064
Year 5 | 96,720 | 9,932
Prior | 24,803 | 13,816
Revolving Loans Amortized Cost Basis | 1,547 | 2,894
Total | 194,529 | 187,918
Pass | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 129,836 | 161,186
Year 2 | 151,578 | 196,779
Year 3 | 187,238 | 651,254
Year 4 | 609,100 | 525,233
Year 5 | 472,097 | 156,970
Prior | 636,185 | 538,905
Revolving Loans Converted to Term | 399 |
Total | 2,186,433 | 2,230,327
Pass | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 28,548 | 39,488
Year 2 | 38,840 | 45,172
Year 3 | 42,289 | 77,862
Year 4 | 70,653 | 123,154
Year 5 | 109,201 | 50,831
Prior | 160,240 | 106,877
Revolving Loans Amortized Cost Basis | 122,925 | 105,867
Revolving Loans Converted to Term |  | 67
Total | 572,696 | 549,318
Pass | Consumer |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 14,182 | 28,872
Year 2 | 24,671 | 38,223
Year 3 | 30,695 | 38,668
Year 4 | 29,602 | 18,963
Year 5 | 13,655 | 4,132
Prior | 4,170 | 2,495
Revolving Loans Amortized Cost Basis | 835 | 853
Total | 117,810 | 132,206
Pass | Equipment Financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 30,875 | 67,100
Year 2 | 60,616 | 66,341
Year 3 | 54,862 | 39,323
Year 4 | 29,742 | 4,259
Year 5 | 1,304 |
Total | 177,399 | 177,023
Special Mention | Commercial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 378 | 1,273
Year 2 | 1,203 | 1,131
Year 3 | 1,119 | 686
Year 4 | 550 | 13,475
Year 5 | 4,228 | 2,043
Prior | 2,849 | 1,261
Revolving Loans Amortized Cost Basis | 16,611 | 16,840
Revolving Loans Converted to Term | 906 |
Total | 27,844 | 36,709
Special Mention | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 581 | 1,231
Year 2 | 96 | 46
Year 3 | 304 | 2,724
Year 4 | 1,207 | 4,361
Year 5 | 7,060 | 1,635
Prior | 26,763 | 24,951
Revolving Loans Converted to Term | 89 |
Total | 36,100 | 34,948
Special Mention | Equipment Financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 2 |  | 261
Year 3 | 148 | 125
Year 4 | 20 |
Total | 168 | 386
Substandard | Commercial |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 2 |  | 300
Year 3 | 470 | 854
Year 4 | 643 | 904
Year 5 | 808 | 85
Prior | 388 | 597
Revolving Loans Amortized Cost Basis | 7,253 | 8,395
Total | 9,562 | 11,135
Substandard | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 2 | 1,222 | 3,276
Year 3 | 3,517 | 8,883
Year 4 | 11,322 | 1,106
Year 5 | 4,214 | 1,704
Prior | 9,766 | 13,869
Total | 30,041 | 28,838
Substandard | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 4 |  | 126
Year 5 | 123 | 296
Prior | 967 | 1,565
Revolving Loans Amortized Cost Basis | 78 | 78
Total | 1,168 | 2,065
Substandard | Consumer |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 |  | 65
Year 2 | 36 | 156
Year 3 | 102 | 209
Year 4 | 245 | 124
Year 5 | 173 | 43
Prior | 178 | 64
Revolving Loans Amortized Cost Basis | 3 | 2
Total | 737 | 663
Substandard | Equipment Financing |  |
Accounts, Notes, Loans and Financing Receivable |  |
Year 1 | 246 |
Year 2 | 226 | 697
Year 3 | 844 | 1,014
Year 4 | 589 |
Total | $ 1,905 | $ 1,711

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