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Loans, net and allowance for credit losses - Major Classification of Loans by Past Due Status (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | $ 2,818,043 |
Loans | 2,818,043 | $ 2,730,116
Loans > 90 Days and Accruing | 59 | 748
Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 4,631 | 3,986
30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 2,700 | 2,091
60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 1,152 | 367
Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 779 | 1,528
Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 2,813,412 | 2,726,130
Commercial |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 430,098 |
Loans | 430,098 | 433,048
Commercial | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 170 | 261
Commercial | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 156 | 137
Commercial | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 38
Commercial | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 14 | 86
Commercial | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 429,928 | 432,787
Municipal |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 169,278 |
Loans | 169,278 | 166,210
Municipal | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 169,278 | 166,210
Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 1,782,911 |
Loans | 1,782,911 | 1,709,827
Commercial real estate | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 953 | 438
Commercial real estate | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 92 | 102
Commercial real estate | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 616 | 2
Commercial real estate | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 245 | 334
Commercial real estate | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 1,781,958 | 1,709,389
Residential real estate |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 342,459 |
Loans | 342,459 | 330,728
Loans > 90 Days and Accruing | 59 | 748
Residential real estate | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 2,876 | 2,278
Residential real estate | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 1,965 | 1,162
Residential real estate | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 444 | 128
Residential real estate | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 467 | 988
Residential real estate | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 339,583 | 328,450
Consumer |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 93,297 |
Loans | 93,297 | 90,303
Consumer | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 632 | 1,009
Consumer | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 487 | 690
Consumer | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 92 | 199
Consumer | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 53 | 120
Consumer | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | $ 92,665 | $ 89,294

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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447 + Details
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