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Loans and Allowance for Credit Losses - Loans - Classes Of The Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	$ 4,145,657	$ 3,514,119	$ 3,314,942
Commercial portfolio | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	2,288,396	2,052,934	1,942,725
Commercial portfolio | Commercial real estate | Revision of Prior Period, Accounting Standards Update, Adjustment
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		(181,900)
Commercial portfolio | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	648,439	596,042	555,487
Commercial portfolio | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	462,215	441,246	398,966
Consumer portfolio | Residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	743,533	416,221	409,611
Consumer portfolio | Residential mortgage | Revision of Prior Period, Accounting Standards Update, Adjustment
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		181,900
Consumer portfolio | Consumer
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	$ 3,074	$ 7,676	$ 8,153

X

- 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
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
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-Section 50
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