Loans and Allowance for Credit Losses - Loans - Allowance And Recorded Investment In Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Mar. 31, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	$ 31,265	$ 15,147	$ 18,957	$ 14,597
Charge-offs	(174)	(9)	(324)	(66)
Recoveries	4	13	41	120
Provisions	1,157	1,725	1,647	2,225
Allowance for loan losses, ending balance	32,588	16,876	32,588	16,876
Allowance for loan losses: ending balance, individually evaluated for impairment	971	1,010	971	1,010
Allowance for loan losses: ending balance, collectively evaluated for impairment	31,617	15,866	31,617	15,866
Loans receivable: ending balance, collectively evaluated for impairment	4,018,664		4,018,664			$ 3,180,033
Loans receivable: ending balance, individually evaluated for impairment	15,846		15,846			4,026
Loans, net of unearned interest	4,034,510		4,034,510		$ 3,514,119	3,171,307
Acquired with credit deterioration
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Loans, net of unearned interest						4,700
Commercial portfolio \| Commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	13,312	9,991	13,142	9,415
Charge-offs	0	0	(16)	0
Recoveries	0	0	0	65
Provisions	571	2,000	469	2,511
Allowance for loan losses, ending balance	14,197	11,991	14,197	11,991
Allowance for loan losses: ending balance, individually evaluated for impairment	252	892	252	892
Allowance for loan losses: ending balance, collectively evaluated for impairment	13,945	11,099	13,945	11,099
Loans receivable: ending balance, collectively evaluated for impairment	2,136,727		2,136,727			1,825,944
Loans receivable: ending balance, individually evaluated for impairment	8,545		8,545			2,106
Loans, net of unearned interest	2,145,272		2,145,272		2,052,934	1,821,729
Commercial portfolio \| Commercial real estate \| Acquired with credit deterioration
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Loans, net of unearned interest					2,537	2,109
Commercial portfolio \| Commercial and industrial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	11,269	3,811	4,593	3,439
Charge-offs	(109)	0	(220)	0
Recoveries	0	0	0	13
Provisions	238	(140)	425	219
Allowance for loan losses, ending balance	11,403	3,671	11,403	3,671
Allowance for loan losses: ending balance, individually evaluated for impairment	717	118	717	118
Allowance for loan losses: ending balance, collectively evaluated for impairment	10,686	3,553	10,686	3,553
Loans receivable: ending balance, collectively evaluated for impairment	634,386		634,386			549,881
Loans receivable: ending balance, individually evaluated for impairment	1,543		1,543			507
Loans, net of unearned interest	635,929		635,929		596,042	549,374
Commercial portfolio \| Commercial and industrial \| Acquired with credit deterioration
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Loans, net of unearned interest					0	0
Commercial portfolio \| Construction
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	3,631	41	0	38
Charge-offs	0	0	0	0
Recoveries	0	0	0	24
Provisions	23	5	453	(16)
Allowance for loan losses, ending balance	3,667	46	3,667	46
Allowance for loan losses: ending balance, individually evaluated for impairment	0	0	0	0
Allowance for loan losses: ending balance, collectively evaluated for impairment	3,667	46	3,667	46
Loans receivable: ending balance, collectively evaluated for impairment	513,142		513,142			376,117
Loans receivable: ending balance, individually evaluated for impairment	2,256		2,256			0
Loans, net of unearned interest	515,398		515,398		441,246	374,896
Commercial portfolio \| Construction \| Acquired with credit deterioration
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Loans, net of unearned interest					0	1,221
Consumer portfolio \| Residential mortgage
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	2,874	1,045	1,319	1,019
Charge-offs	0	0	(4)	0
Recoveries	0	3	30	4
Provisions	267	95	234	120
Allowance for loan losses, ending balance	3,145	1,143	3,145	1,143
Allowance for loan losses: ending balance, individually evaluated for impairment	2	0	2	0
Allowance for loan losses: ending balance, collectively evaluated for impairment	3,143	1,143	3,143	1,143
Loans receivable: ending balance, collectively evaluated for impairment	726,674		726,674			418,815
Loans receivable: ending balance, individually evaluated for impairment	3,502		3,502			1,413
Loans, net of unearned interest	730,176		730,176		416,221	416,032
Consumer portfolio \| Residential mortgage \| Acquired with credit deterioration
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Loans, net of unearned interest					1,140	1,370
Consumer portfolio \| Consumer
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	179	2	29	2
Charge-offs	(65)	(9)	(84)	(66)
Recoveries	4	10	11	14
Provisions	58	(1)	66	52
Allowance for loan losses, ending balance	176	2	176	2
Allowance for loan losses: ending balance, individually evaluated for impairment	0	0	0	0
Allowance for loan losses: ending balance, collectively evaluated for impairment	176	2	176	2
Loans receivable: ending balance, collectively evaluated for impairment	7,735		7,735			9,276
Loans receivable: ending balance, individually evaluated for impairment	0		0			0
Loans, net of unearned interest	7,735		7,735		7,676	9,276
Consumer portfolio \| Consumer \| Acquired with credit deterioration
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Loans, net of unearned interest					$ 0	0
Unallocated
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance		257	(126)	684
Charge-offs		0	0	0
Recoveries		0	0	0
Provisions		(234)	0	(661)
Allowance for loan losses, ending balance	$ 0	23	$ 0	23
Allowance for loan losses: ending balance, individually evaluated for impairment		0		0
Allowance for loan losses: ending balance, collectively evaluated for impairment		$ 23		$ 23
Loans receivable: ending balance, collectively evaluated for impairment						0
Loans receivable: ending balance, individually evaluated for impairment						0
Loans, net of unearned interest						0
Unallocated \| Acquired with credit deterioration
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Loans, net of unearned interest						$ 0

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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The balance of financing receivables that were individually evaluated for impairment.

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