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Loans, net and allowance for credit losses - Changes in Allowance for Loan Losses Account by Major Classification of Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Allowance for loan losses: |  |  |  |
Beginning Balance | $ 22,597 | $ 25,444 | $ 21,895 | $ 27,472
Charge-offs | (135) | (77) | (243) | (152)
Recoveries | 65 | 52 | 167 | 118
Provisions (credits) | 596 | (2,201) | 1,304 | (937)
Ending balance | 23,123 | 23,218 | 23,123 | 23,218
Cumulative impact of adoption | ASC 326 |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | (3,283)
Adjusted Balance |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 24,189
Commercial |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance | 2,287 | 2,481 | 2,272 | 4,365
Charge-offs | (41) |  | (46) | (4)
Recoveries | 25 | 5 | 80 | 5
Provisions (credits) | (100) | 265 | (135) | 68
Ending balance | 2,171 | 2,751 | 2,171 | 2,751
Commercial | Cumulative impact of adoption | ASC 326 |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | (1,683)
Commercial | Adjusted Balance |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 2,682
Municipal |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance | 698 | 2,318 | 788 | 1,247
Provisions (credits) | 13 | (1,491) | (77) | (1,167)
Ending balance | 711 | 827 | 711 | 827
Municipal | Cumulative impact of adoption | ASC 326 |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 747
Municipal | Adjusted Balance |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 1,994
Commercial real estate |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance | 14,470 | 15,692 | 14,153 | 17,915
Recoveries |  |  |  | 1
Provisions (credits) | 686 | (731) | 1,003 | 389
Ending balance | 15,156 | 14,961 | 15,156 | 14,961
Commercial real estate | Cumulative impact of adoption | ASC 326 |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | (3,344)
Commercial real estate | Adjusted Balance |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 14,571
Residential real estate |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance | 4,258 | 3,868 | 3,782 | 3,072
Recoveries | 2 | 3 | 4 | 19
Provisions (credits) | (30) | (104) | 444 | (291)
Ending balance | 4,230 | 3,767 | 4,230 | 3,767
Residential real estate | Cumulative impact of adoption | ASC 326 |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 967
Residential real estate | Adjusted Balance |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 4,039
Consumer |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance | 884 | 1,085 | 900 | 873
Charge-offs | (94) | (77) | (197) | (148)
Recoveries | 38 | 44 | 83 | 93
Provisions (credits) | 27 | (140) | 69 | 64
Ending balance | $ 855 | $ 912 | $ 855 | 912
Consumer | Cumulative impact of adoption | ASC 326 |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | 30
Consumer | Adjusted Balance |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning Balance |  |  |  | $ 903

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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