Loans and Allowance for Credit Losses - Loans - Loan Portfolio Summarized By The Past Due Status (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	$ 4,145,657	$ 3,514,119	$ 3,314,942
Loans Receivable > 90 Days and Accruing	12	654
Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest			3,818
Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	21,833	16,263
30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	13,127	10,029
60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	233	1,205
Greater than 90 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	8,473	5,029
Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	4,123,824	3,497,856
Commercial portfolio | Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	2,288,396	2,052,934	1,942,725
Commercial portfolio | Commercial real estate | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	2,288,396	2,050,397
Loans Receivable > 90 Days and Accruing	0	0
Commercial portfolio | Commercial real estate | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		2,537	1,364
Loans Receivable > 90 Days and Accruing		0
Commercial portfolio | Commercial real estate | Total Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	11,361	3,230
Commercial portfolio | Commercial real estate | Total Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		904
Commercial portfolio | Commercial real estate | 30-59 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	8,355	1,792
Commercial portfolio | Commercial real estate | 30-59 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		78
Commercial portfolio | Commercial real estate | 60-89 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	0	0
Commercial portfolio | Commercial real estate | 60-89 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Commercial real estate | Greater than 90 Days | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	3,006	1,438
Commercial portfolio | Commercial real estate | Greater than 90 Days | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		826
Commercial portfolio | Commercial real estate | Current | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	2,277,035	2,047,167
Commercial portfolio | Commercial real estate | Current | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		1,633
Commercial portfolio | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	648,439	596,042	555,487
Commercial portfolio | Commercial and industrial | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	648,439	596,042
Loans Receivable > 90 Days and Accruing	0	654
Commercial portfolio | Commercial and industrial | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0	0
Loans Receivable > 90 Days and Accruing		0
Commercial portfolio | Commercial and industrial | Total Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	1,765	3,665
Commercial portfolio | Commercial and industrial | Total Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Commercial and industrial | 30-59 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	232	1,808
Commercial portfolio | Commercial and industrial | 30-59 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Commercial and industrial | 60-89 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	0	3
Commercial portfolio | Commercial and industrial | 60-89 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Commercial and industrial | Greater than 90 Days | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	1,533	1,854
Commercial portfolio | Commercial and industrial | Greater than 90 Days | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Commercial and industrial | Current | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	646,674	592,377
Commercial portfolio | Commercial and industrial | Current | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	462,215	441,246	398,966
Commercial portfolio | Construction | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	462,215	441,246
Loans Receivable > 90 Days and Accruing	0	0
Commercial portfolio | Construction | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0	1,222
Loans Receivable > 90 Days and Accruing		0
Commercial portfolio | Construction | Total Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	2,728	2,258
Commercial portfolio | Construction | Total Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Construction | 30-59 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	472	2,258
Commercial portfolio | Construction | 30-59 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Construction | 60-89 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	0	0
Commercial portfolio | Construction | 60-89 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Construction | Greater than 90 Days | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	2,256	0
Commercial portfolio | Construction | Greater than 90 Days | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Commercial portfolio | Construction | Current | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	459,487	438,988
Commercial portfolio | Construction | Current | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Consumer portfolio | Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	743,533	416,221	409,611
Consumer portfolio | Residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	743,533	415,081
Loans Receivable > 90 Days and Accruing	9	0
Consumer portfolio | Residential mortgage | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		1,140	1,232
Loans Receivable > 90 Days and Accruing		0
Consumer portfolio | Residential mortgage | Total Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	5,976	5,451
Consumer portfolio | Residential mortgage | Total Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		692
Consumer portfolio | Residential mortgage | 30-59 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	4,068	3,826
Consumer portfolio | Residential mortgage | 30-59 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		223
Consumer portfolio | Residential mortgage | 60-89 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	233	955
Consumer portfolio | Residential mortgage | 60-89 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		228
Consumer portfolio | Residential mortgage | Greater than 90 Days | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	1,675	670
Consumer portfolio | Residential mortgage | Greater than 90 Days | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		241
Consumer portfolio | Residential mortgage | Current | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	737,557	409,630
Consumer portfolio | Residential mortgage | Current | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		448
Consumer portfolio | Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	3,074	7,676	8,153
Consumer portfolio | Consumer | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	3,074	7,676
Loans Receivable > 90 Days and Accruing	3	0
Consumer portfolio | Consumer | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0	$ 0
Loans Receivable > 90 Days and Accruing		0
Consumer portfolio | Consumer | Total Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	3	63
Consumer portfolio | Consumer | Total Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Consumer portfolio | Consumer | 30-59 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	0	44
Consumer portfolio | Consumer | 30-59 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Consumer portfolio | Consumer | 60-89 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	0	19
Consumer portfolio | Consumer | 60-89 Days Past Due | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Consumer portfolio | Consumer | Greater than 90 Days | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	3	0
Consumer portfolio | Consumer | Greater than 90 Days | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		0
Consumer portfolio | Consumer | Current | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest	$ 3,071	7,613
Consumer portfolio | Consumer | Current | Acquired with credit deterioration
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, net of unearned interest		$ 0