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Loans - Loan Portfolio Composition Including Carrying Value by Segment of Loans Accounted for under ASC Topic 310-30 (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Loans [Line Items] |  |
Fees and cost related to loans | $ 36,300 | $ 38,800
Total Loans | $ 7,478,438 | $ 7,220,469
% of total | 100.00% | 100.00%
Commercial Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total Loans | $ 4,349,012 | $ 4,251,780
% of total | 58.10% | 58.90%
Commercial Real Estate Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total Loans | $ 1,814,059 | $ 1,696,050
% of total | 24.30% | 23.50%
Residential Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total Loans | $ 1,295,991 | $ 1,251,281
% of total | 17.30% | 17.30%
Consumer Loan [Member] |  |
Loans [Line Items] |  |
Total Loans | $ 19,376 | $ 21,358
% of total | 0.30% | 0.30%

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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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