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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 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Allowance for loan losses: |  |
Ending balance: individually evaluated for impairment | $ 14 | $ 40
Ending balance: collectively evaluated for impairment | 25,430 | 27,432
Loans receivable: |  |
Ending balance | 2,818,043 | 2,730,116
Ending balance: individually evaluated for impairment | 1,666 | 3,921
Ending balance: collectively evaluated for impairment | 2,816,363 | 2,726,195
Commercial |  |
Allowance for loan losses: |  |
Ending balance: individually evaluated for impairment | 14 | 19
Ending balance: collectively evaluated for impairment | 2,467 | 4,346
Loans receivable: |  |
Ending balance | 430,098 | 433,048
Ending balance: individually evaluated for impairment | 10 | 98
Ending balance: collectively evaluated for impairment | 430,074 | 432,950
Municipal |  |
Allowance for loan losses: |  |
Ending balance: collectively evaluated for impairment | 2,318 | 1,247
Loans receivable: |  |
Ending balance | 169,278 | 166,210
Ending balance: collectively evaluated for impairment | 169,278 | 166,210
Commercial real estate |  |
Allowance for loan losses: |  |
Ending balance: collectively evaluated for impairment | 15,692 | 17,915
Loans receivable: |  |
Ending balance | 1,782,911 | 1,709,827
Ending balance: individually evaluated for impairment | 867 | 2,063
Ending balance: collectively evaluated for impairment | 1,782,044 | 1,707,764
Residential real estate |  |
Allowance for loan losses: |  |
Ending balance: individually evaluated for impairment |  | 21
Ending balance: collectively evaluated for impairment | 3,868 | 3,051
Loans receivable: |  |
Ending balance | 342,459 | 330,728
Ending balance: individually evaluated for impairment | 789 | 1,760
Ending balance: collectively evaluated for impairment | 341,670 | 328,968
Consumer |  |
Allowance for loan losses: |  |
Ending balance: collectively evaluated for impairment | 1,085 | 873
Loans receivable: |  |
Ending balance | 93,297 | 90,303
Ending balance: collectively evaluated for impairment | $ 93,297 | $ 90,303

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 + Details
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