Loans and Allowance for Credit Losses - Loans - Classes Of The Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Mar. 31, 2022
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	$ 4,034,510	$ 3,514,119	$ 3,171,307
Commercial portfolio | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	2,145,272	2,052,934	1,821,729
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	635,929	596,042	549,374
Commercial portfolio | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	515,398	441,246	374,896
Consumer portfolio | Residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	730,176	416,221	416,032
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	$ 7,735	$ 7,676	$ 9,276