Loans and Allowance for Credit Losses - Loans - Internal Risk Ratings (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
Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	3,345,334	3,456,553
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	28,332	21,897
Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	25,384	35,669
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 | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	2,252,068	2,018,088
Commercial portfolio | Commercial real estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	17,425	12,325
Commercial portfolio | Commercial real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	18,903	22,521
Commercial portfolio | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	648,439	596,042	555,487
Commercial portfolio | Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	635,581	582,540
Commercial portfolio | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	8,634	4,212
Commercial portfolio | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	4,224	9,290
Commercial portfolio | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	462,215	441,246	398,966
Commercial portfolio | Construction | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	457,685	438,990
Commercial portfolio | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	2,273	2,256
Commercial portfolio | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	2,257	0
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 | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		409,259
Consumer portfolio | Residential mortgage | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		3,104
Consumer portfolio | Residential mortgage | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		3,858
Consumer portfolio | Consumer
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest	$ 3,074	7,676	$ 8,153
Consumer portfolio | Consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		7,676
Consumer portfolio | Consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		0
Consumer portfolio | Consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest		$ 0