Loans and Allowance for Credit Losses - Loans - Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Financing Receivable, Recorded Investment [Line Items]
2023	$ 169,476
2022	930,981
2021	619,793
2020	455,390
2019	282,151
Prior	842,442
Revolving Loans Amortized Cost Basis	311,114
Loans, net of unearned interest	3,611,347	$ 3,113,770	$ 3,514,119
Gross charge offs
Charge-offs	(150)	(57)
Current period recoveries
Recoveries	37	107
Performing Financial Instruments
Financing Receivable, Recorded Investment [Line Items]
2023	33,835
2022	124,362
2021	76,589
2020	81,828
2019	23,470
Prior	198,048
Revolving Loans Amortized Cost Basis	79,096
Loans, net of unearned interest	617,228
Nonperforming Financial Instruments
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	211
2019	0
Prior	2,942
Revolving Loans Amortized Cost Basis	16
Loans, net of unearned interest	3,169
Pass
Financing Receivable, Recorded Investment [Line Items]
2023	135,641
2022	806,267
2021	543,161
2020	372,203
2019	251,571
Prior	609,153
Revolving Loans Amortized Cost Basis	226,984
Loans, net of unearned interest	2,944,980		3,456,553
Special Mention
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	352
2021	43
2020	0
2019	0
Prior	11,318
Revolving Loans Amortized Cost Basis	3,630
Loans, net of unearned interest	15,343		21,897
Substandard
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	1,148
2019	7,110
Prior	20,981
Revolving Loans Amortized Cost Basis	1,388
Loans, net of unearned interest	30,627		35,669
Commercial portfolio | Commercial real estate (1)
Financing Receivable, Recorded Investment [Line Items]
2023	68,074
2022	500,219
2021	287,476
2020	280,640
2019	186,699
Prior	547,384
Revolving Loans Amortized Cost Basis	28,676
Loans, net of unearned interest	1,899,168	1,719,458	2,052,934
Gross charge offs
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	(16)
Revolving Loans Amortized Cost Basis	0
Charge-offs	(16)	0
Current period recoveries
Recoveries	0	65
Net charge offs
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	(16)
Revolving Loans Amortized Cost Basis	0
Net loans (charged off) recovered	(16)
Commercial portfolio | Commercial real estate (1) | Pass
Financing Receivable, Recorded Investment [Line Items]
2023	68,074
2022	500,219
2021	287,476
2020	279,492
2019	185,711
Prior	521,638
Revolving Loans Amortized Cost Basis	28,383
Loans, net of unearned interest	1,870,993		2,018,088
Commercial portfolio | Commercial real estate (1) | Special Mention
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	8,952
Revolving Loans Amortized Cost Basis	0
Loans, net of unearned interest	8,952		12,325
Commercial portfolio | Commercial real estate (1) | Substandard
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	1,148
2019	988
Prior	16,794
Revolving Loans Amortized Cost Basis	293
Loans, net of unearned interest	19,223		22,521
Commercial portfolio | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
2023	43,415
2022	120,534
2021	91,344
2020	42,947
2019	60,906
Prior	70,281
Revolving Loans Amortized Cost Basis	176,183
Loans, net of unearned interest	605,610	585,921	596,042
Gross charge offs
2023	0
2022	0
2021	0
2020	(111)
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Charge-offs	(111)	0
Current period recoveries
Recoveries	0	13
Net charge offs
2023	0
2022	0
2021	0
2020	(111)
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Net loans (charged off) recovered	(111)
Commercial portfolio | Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
2023	43,415
2022	120,182
2021	91,301
2020	42,947
2019	54,784
Prior	65,984
Revolving Loans Amortized Cost Basis	171,458
Loans, net of unearned interest	590,071		582,540
Commercial portfolio | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	352
2021	43
2020	0
2019	0
Prior	2,366
Revolving Loans Amortized Cost Basis	3,630
Loans, net of unearned interest	6,391		4,212
Commercial portfolio | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	6,122
Prior	1,931
Revolving Loans Amortized Cost Basis	1,095
Loans, net of unearned interest	9,148		9,290
Commercial portfolio | Construction
Financing Receivable, Recorded Investment [Line Items]
2023	24,152
2022	185,866
2021	164,384
2020	49,764
2019	11,076
Prior	23,787
Revolving Loans Amortized Cost Basis	27,143
Loans, net of unearned interest	486,172	380,910	441,246
Gross charge offs
Charge-offs	0	0
Current period recoveries
Recoveries	0	24
Commercial portfolio | Construction | Pass
Financing Receivable, Recorded Investment [Line Items]
2023	24,152
2022	185,866
2021	164,384
2020	49,764
2019	11,076
Prior	21,531
Revolving Loans Amortized Cost Basis	27,143
Loans, net of unearned interest	483,916		438,990
Commercial portfolio | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Loans, net of unearned interest	0		2,256
Commercial portfolio | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	2,256
Revolving Loans Amortized Cost Basis	0
Loans, net of unearned interest	2,256		0
Consumer Portfolio Segment | Residential mortgage
Financing Receivable, Recorded Investment [Line Items]
2023	33,493
2022	123,202
2021	75,607
2020	81,590
2019	23,143
Prior	199,769
Revolving Loans Amortized Cost Basis	75,623
Loans, net of unearned interest	612,427	416,023	416,221
Gross charge offs
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	(4)
Revolving Loans Amortized Cost Basis	0
Charge-offs	(4)	0
Current period recoveries
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	30
Revolving Loans Amortized Cost Basis	0
Recoveries	30	1
Net charge offs
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	26
Revolving Loans Amortized Cost Basis	0
Net loans (charged off) recovered	26
Consumer Portfolio Segment | Residential mortgage | Performing Financial Instruments
Financing Receivable, Recorded Investment [Line Items]
2023	33,493
2022	123,202
2021	75,607
2020	81,379
2019	23,143
Prior	196,827
Revolving Loans Amortized Cost Basis	75,607
Loans, net of unearned interest	609,258
Consumer Portfolio Segment | Residential mortgage | Nonperforming Financial Instruments
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	211
2019	0
Prior	2,942
Revolving Loans Amortized Cost Basis	16
Loans, net of unearned interest	3,169
Consumer Portfolio Segment | Residential mortgage | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest			409,259
Consumer Portfolio Segment | Residential mortgage | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest			3,104
Consumer Portfolio Segment | Residential mortgage | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest			3,858
Consumer Portfolio Segment | Consumer
Financing Receivable, Recorded Investment [Line Items]
2023	342
2022	1,160
2021	982
2020	449
2019	327
Prior	1,221
Revolving Loans Amortized Cost Basis	3,489
Loans, net of unearned interest	7,970	11,458	7,676
Gross charge offs
2023	(16)
2022	0
2021	(3)
2020	0
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Charge-offs	(19)	(57)
Current period recoveries
2023	7
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Recoveries	7	$ 4
Net charge offs
2023	(9)
2022	0
2021	(3)
2020	0
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Net loans (charged off) recovered	(12)
Consumer Portfolio Segment | Consumer | Performing Financial Instruments
Financing Receivable, Recorded Investment [Line Items]
2023	342
2022	1,160
2021	982
2020	449
2019	327
Prior	1,221
Revolving Loans Amortized Cost Basis	3,489
Loans, net of unearned interest	7,970
Consumer Portfolio Segment | Consumer | Nonperforming Financial Instruments
Financing Receivable, Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Loans, net of unearned interest	$ 0
Consumer Portfolio Segment | Consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest			7,676
Consumer Portfolio Segment | Consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest			0
Consumer Portfolio Segment | Consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans, net of unearned interest			$ 0