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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, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Allowance for loan losses: |  |  |  |
Beginning Balance | $ 25,444 | $ 28,407 | $ 27,472 | $ 28,383
Charge-offs | (77) | (98) | (152) | (453)
Recoveries | 52 | 115 | 118 | 194
Provisions (credits) | (2,201) | 950 | (937) | 1,250
Ending balance | 23,218 | 29,374 | 23,218 | 29,374
Cumulative impact of adoption | ASU 2016-13 |  |  |  |
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 | 2,481 | 6,427 | 4,365 | 7,466
Charge-offs |  |  | (4) | (161)
Recoveries | 5 | 20 | 5 | 29
Provisions (credits) | 265 | 75 | 68 | (812)
Ending balance | 2,751 | 6,522 | 2,751 | 6,522
Commercial | Cumulative impact of adoption | ASU 2016-13 |  |  |  |
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 | 2,318 | 1,166 | 1,247 | 987
Provisions (credits) | (1,491) | 78 | (1,167) | 257
Ending balance | 827 | 1,244 | 827 | 1,244
Municipal | Cumulative impact of adoption | ASU 2016-13 |  |  |  |
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 | 15,692 | 16,789 | 17,915 | 15,928
Charge-offs |  |  |  | (132)
Recoveries |  | 61 | 1 | 77
Provisions (credits) | (731) | 719 | 389 | 1,696
Ending balance | 14,961 | 17,569 | 14,961 | 17,569
Commercial real estate | Cumulative impact of adoption | ASU 2016-13 |  |  |  |
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 | 3,868 | 3,255 | 3,072 | 3,209
Charge-offs |  | (2) |  | (2)
Recoveries | 3 |  | 19 | 3
Provisions (credits) | 104 | (33) | (291) | 10
Ending balance | 3,767 | 3,220 | 3,767 | 3,220
Residential real estate | Cumulative impact of adoption | ASU 2016-13 |  |  |  |
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 | 1,085 | 770 | 873 | 793
Charge-offs | (77) | (96) | (148) | (158)
Recoveries | 44 | 34 | 93 | 85
Provisions (credits) | (140) | 111 | 64 | 99
Ending balance | $ 912 | $ 819 | 912 | $ 819
Consumer | Cumulative impact of adoption | ASU 2016-13 |  |  |  |
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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