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Loans, net and allowance for credit losses - Allocation of Allowance for Loan Losses and Related Loans by Major Classification of Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Allowance for loan losses: |  |  |  |  |
Beginning Balance | $ 40,890 | $ 23,123 | $ 41,776 | $ 21,895 |
Charge-offs | (489) | (533) | (2,873) | (776) |
Recoveries | 280 | 452 | 1,817 | 619 |
(Credits) provisions | (838) | 130 | (877) | 1,434 |
Ending balance | 39,843 | 39,341 | 39,843 | 39,341 |
Ending balance: individually evaluated for impairment | 1,727 |  | 1,727 |  | $ 949
Ending balance: collectively evaluated for impairment | 38,116 |  | 38,116 |  | 40,827
Loans receivable: |  |  |  |  |
Loans | 4,016,367 |  | 4,016,367 |  | 3,993,505
Ending balance: collectively evaluated for impairment | 4,002,131 |  | 4,002,131 |  | 3,971,341
Non-PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 14,328 |  | 14,328 |
PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 1,841 |  | 1,841 |
Real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment | 11,847 |  | 11,847 |  | 19,444
Non-real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment | 2,389 |  | 2,389 |  | 2,720
Commercial |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning Balance | 6,223 | 2,171 | 6,004 | 2,272 |
Charge-offs |  | (5) | (572) | (51) |
Recoveries | 12 | 10 | 317 | 90 |
(Credits) provisions | (487) | (162) | (1) | (297) |
Ending balance | 5,748 | 4,610 | 5,748 | 4,610 |
Ending balance: individually evaluated for impairment | 402 |  | 402 |  | 325
Ending balance: collectively evaluated for impairment | 5,346 |  | 5,346 |  | 5,679
Loans receivable: |  |  |  |  |
Loans | 664,615 |  | 664,615 |  | 648,102
Ending balance: collectively evaluated for impairment | 662,479 |  | 662,479 |  | 646,189
Commercial | Non-PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 2,259 |  | 2,259 |
Commercial | PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 337 |  | 337 |
Commercial | Real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment | 1,473 |  | 1,473 |  | 906
Commercial | Non-real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment | 663 |  | 663 |  | 1,007
Municipal |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning Balance | 1,446 | 711 | 1,072 | 788 |
(Credits) provisions | (43) | (321) | 331 | (398) |
Ending balance | 1,403 | 963 | 1,403 | 963 |
Ending balance: collectively evaluated for impairment | 1,403 |  | 1,403 |  | 1,072
Loans receivable: |  |  |  |  |
Loans | 196,469 |  | 196,469 |  | 187,918
Ending balance: collectively evaluated for impairment | 196,469 |  | 196,469 |  | 187,918
Municipal | Non-PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 502 |  | 502 |
Municipal | PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 71 |  | 71 |
Commercial real estate |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning Balance | 20,620 | 15,156 | 21,804 | 14,153 |
Charge-offs | (95) | (26) | (157) | (27) |
Recoveries | 116 | 70 | 682 | 70 |
(Credits) provisions | 569 | 2,172 | (1,119) | 3,176 |
Ending balance | 21,210 | 21,892 | 21,210 | 21,892 |
Ending balance: individually evaluated for impairment | 697 |  | 697 |  | 190
Ending balance: collectively evaluated for impairment | 20,513 |  | 20,513 |  | 21,614
Loans receivable: |  |  |  |  |
Loans | 2,278,746 |  | 2,278,746 |  | 2,294,113
Ending balance: collectively evaluated for impairment | 2,271,032 |  | 2,271,032 |  | 2,278,503
Commercial real estate | Non-PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 4,149 |  | 4,149 |
Commercial real estate | PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 371 |  | 371 |
Commercial real estate | Real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment | 7,714 |  | 7,714 |  | 15,326
Commercial real estate | Non-real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment |  |  |  |  | 284
Residential real estate |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning Balance | 5,006 | 4,230 | 4,924 | 3,782 |
Charge-offs |  |  | (92) |  |
Recoveries | 20 | 4 | 85 | 8 |
(Credits) provisions | (285) | (1,241) | (176) | (797) |
Ending balance | 4,741 | 5,246 | 4,741 | 5,246 |
Ending balance: individually evaluated for impairment | 67 |  | 67 |  |
Ending balance: collectively evaluated for impairment | 4,674 |  | 4,674 |  | 4,924
Loans receivable: |  |  |  |  |
Loans | 588,519 |  | 588,519 |  | 551,383
Ending balance: collectively evaluated for impairment | 585,859 |  | 585,859 |  | 548,171
Residential real estate | Non-PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 1,785 |  | 1,785 |
Residential real estate | PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 468 |  | 468 |
Residential real estate | Real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment | 2,660 |  | 2,660 |  | 3,212
Consumer |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning Balance | 2,181 | 855 | 2,540 | 900 |
Charge-offs | (151) | (444) | (797) | (640) |
Recoveries | 109 | 310 | 427 | 393 |
(Credits) provisions | (346) | (528) | (377) | (460) |
Ending balance | 1,793 | 1,983 | 1,793 | 1,983 |
Ending balance: collectively evaluated for impairment | 1,793 |  | 1,793 |  | 2,540
Loans receivable: |  |  |  |  |
Loans | 114,510 |  | 114,510 |  | 132,869
Ending balance: collectively evaluated for impairment | 114,510 |  | 114,510 |  | 132,869
Consumer | Non-PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 1,470 |  | 1,470 |
Consumer | PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 320 |  | 320 |
Equipment Financing |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Beginning Balance | 5,414 |  | 5,432 |  |
Charge-offs | (243) | (58) | (1,255) | (58) |
Recoveries | 23 | 58 | 306 | 58 |
(Credits) provisions | (246) | 210 | 465 | 210 |
Ending balance | 4,948 | 4,647 | 4,948 | 4,647 |
Ending balance: individually evaluated for impairment | 561 |  | 561 |  | 434
Ending balance: collectively evaluated for impairment | 4,387 |  | 4,387 |  | 4,998
Loans receivable: |  |  |  |  |
Loans | 173,508 |  | 173,508 |  | 179,120
Ending balance: collectively evaluated for impairment | 171,782 |  | 171,782 |  | 177,691
Equipment Financing | Non-PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | 4,163 |  | 4,163 |
Equipment Financing | PCD loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Gross-up for PCD Allowance for Credit Losses at Acquisition |  | $ 274 |  | $ 274 |
Equipment Financing | Non-real estate |  |  |  |  |
Loans receivable: |  |  |  |  |
Ending balance: individually evaluated for impairment | $ 1,726 |  | $ 1,726 |  | $ 1,429

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