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Loans, net and allowance for credit losses- Major Classification of Loans by Past Due Status (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | $ 2,849,897 |
Loans |  | $ 2,730,116
Loans > 90 Days and Accruing | 986 | 748
Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 3,986
Total Due | 5,209 |
30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 2,091
Total Due | 2,730 |
60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 367
Total Due | 495 |
Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 1,528
Total Due | 1,984 |
Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 2,726,130
Total Due | 2,844,688 |
Commercial |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 368,411 |
Loans |  | 433,048
Commercial | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 261
Total Due | 218 |
Commercial | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 137
Total Due | 53 |
Commercial | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 38
Total Due | 155 |
Commercial | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 86
Total Due | 10 |
Commercial | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 432,787
Total Due | 368,193 |
Municipal |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 175,304 |
Loans |  | 166,210
Municipal | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 166,210
Total Due | 175,304 |
Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 1,863,118 |
Loans |  | 1,709,827
Commercial real estate | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 438
Total Due | 436 |
Commercial real estate | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 102
Total Due | 152 |
Commercial real estate | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 2
Total Due | 5 |
Commercial real estate | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 334
Total Due | 279 |
Commercial real estate | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 1,709,389
Total Due | 1,862,682 |
Residential real estate |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 360,803 |
Loans |  | 330,728
Loans > 90 Days and Accruing | 986 | 748
Loans in the formal process of foreclosure | 300 | 600
Residential real estate | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 2,278
Total Due | 3,116 |
Residential real estate | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 1,162
Total Due | 1,456 |
Residential real estate | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 128
Total Due | 50 |
Residential real estate | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 988
Total Due | 1,610 |
Residential real estate | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 328,450
Total Due | 357,687 |
Consumer |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due | 82,261 |
Loans |  | 90,303
Consumer | Financial Assets, Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 1,009
Total Due | 1,439 |
Consumer | 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 690
Total Due | 1,069 |
Consumer | 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 199
Total Due | 285 |
Consumer | Greater than 90 Days |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | 120
Total Due | 85 |
Consumer | Financial Assets, Not Past Due |  |
Financing Receivable, Recorded Investment, Past Due. |  |
Total Due |  | $ 89,294
Total Due | $ 80,822 |

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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/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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
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