Loans and Allowance for Credit Losses - Allowance (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Changes in the allowance for loan losses
Beginning balance	$ 35,513	$ 18,194	$ 23,837	$ 17,603
Provision (release of allowance) for credit losses	(3,987)	5,714	468	7,043
Provision (release of allowance) for credit losses	(4,235)	5,100	341	6,380
Initial allowance on loans purchased with credit deterioration			1,217
Charge-offs	(3,700)	(2,529)	(8,547)	(3,652)
Recoveries	2,468	1,355	5,637	1,740
Ending balance	30,294	22,734	30,294	22,734
Individually evaluated for impairment	3,256	1,595	3,256	1,595
Collectively evaluated for impairment		21,139		21,139
Purchased credit impaired loans
Changes in the allowance for loan losses
Beginning balance		614		663
Provision (release of allowance) for credit losses		(614)		(663)
Ending balance		0		0
Collectively evaluated for impairment		0		0
Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			7,682
Unfunded Commitments
Changes in the allowance for loan losses
Provision (release of allowance) for credit losses	(200)		(100)
Total commercial
Changes in the allowance for loan losses
Beginning balance	14,735	13,170	15,539	14,100
Provision (release of allowance) for credit losses	1,438	2,451	2,721	1,513
Initial allowance on loans purchased with credit deterioration			710
Charge-offs	(127)	0	(268)	0
Recoveries	20	64	48	72
Ending balance	16,066	15,685	16,066	15,685
Individually evaluated for impairment	2,666	1,299	2,666	1,299
Collectively evaluated for impairment		14,386		14,386
Total commercial \| Purchased credit impaired loans
Changes in the allowance for loan losses
Beginning balance		165		0
Provision (release of allowance) for credit losses		(165)		0
Ending balance		0		0
Collectively evaluated for impairment		0		0
Total commercial \| Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			(2,684)
Total commercial \| Business
Changes in the allowance for loan losses
Beginning balance	9,918	6,869	8,771	8,027
Provision (release of allowance) for credit losses	1,504	1,199	2,186	40
Initial allowance on loans purchased with credit deterioration			710
Charge-offs	(127)	0	(268)	0
Recoveries	13	9	35	10
Ending balance	11,308	8,077	11,308	8,077
Individually evaluated for impairment	2,666	1,076	2,666	1,076
Collectively evaluated for impairment		7,001		7,001
Total commercial \| Business \| Purchased credit impaired loans
Changes in the allowance for loan losses
Beginning balance		112		0
Provision (release of allowance) for credit losses		(112)		0
Ending balance		0		0
Collectively evaluated for impairment		0		0
Total commercial \| Business \| Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			(126)
Total commercial \| Real estate
Changes in the allowance for loan losses
Beginning balance	3,177	5,566	5,704	5,091
Provision (release of allowance) for credit losses	(133)	1,020	180	1,488
Initial allowance on loans purchased with credit deterioration			0
Charge-offs	0	0	0	0
Recoveries	7	55	13	62
Ending balance	3,051	6,641	3,051	6,641
Individually evaluated for impairment		223		223
Collectively evaluated for impairment		6,418		6,418
Total commercial \| Real estate \| Purchased credit impaired loans
Changes in the allowance for loan losses
Beginning balance		53		0
Provision (release of allowance) for credit losses		(53)		0
Ending balance		0		0
Collectively evaluated for impairment		0		0
Total commercial \| Real estate \| Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			(2,846)
Total commercial \| Acquisition, development and construction
Changes in the allowance for loan losses
Beginning balance	1,640	735	1,064	982
Provision (release of allowance) for credit losses	67	232	355	(15)
Initial allowance on loans purchased with credit deterioration			0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	1,707	967	1,707	967
Individually evaluated for impairment		0		0
Collectively evaluated for impairment		967		967
Total commercial \| Acquisition, development and construction \| Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			288
Residential real estate
Changes in the allowance for loan losses
Beginning balance	7,618	1,127	2,880	948
Provision (release of allowance) for credit losses	(450)	645	(86)	824
Initial allowance on loans purchased with credit deterioration			507
Charge-offs	0	0	(22)	0
Recoveries	0	0	0	0
Ending balance	7,168	1,772	7,168	1,772
Individually evaluated for impairment	391	84	391	84
Collectively evaluated for impairment		1,688		1,688
Residential real estate \| Purchased credit impaired loans
Changes in the allowance for loan losses
Beginning balance		323		544
Provision (release of allowance) for credit losses		(323)		(544)
Ending balance		0		0
Collectively evaluated for impairment		0		0
Residential real estate \| Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			3,889
Home Equity
Changes in the allowance for loan losses
Beginning balance	119	131	131	128
Provision (release of allowance) for credit losses	(6)	8	(14)	9
Initial allowance on loans purchased with credit deterioration			0
Charge-offs	0	0	0	0
Recoveries	1	2	2	4
Ending balance	114	141	114	141
Individually evaluated for impairment		0		0
Collectively evaluated for impairment		141		141
Home Equity \| Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			(5)
Consumer
Changes in the allowance for loan losses
Beginning balance	13,041	3,766	5,287	2,427
Provision (release of allowance) for credit losses	(4,969)	2,610	(2,153)	4,697
Initial allowance on loans purchased with credit deterioration			0
Charge-offs	(3,573)	(2,529)	(8,257)	(3,652)
Recoveries	2,447	1,289	5,587	1,664
Ending balance	6,946	5,136	6,946	5,136
Individually evaluated for impairment	$ 199	212	199	212
Collectively evaluated for impairment		4,924		4,924
Consumer \| Purchased credit impaired loans
Changes in the allowance for loan losses
Beginning balance		126		119
Provision (release of allowance) for credit losses		(126)		(119)
Ending balance		0		0
Collectively evaluated for impairment		$ 0		$ 0
Consumer \| Impact of adopting ASC 326
Changes in the allowance for loan losses
Beginning balance			$ 6,482

Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Excluding Unfunded Commitments

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

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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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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from purchase of loan. Excludes financing receivable purchased with credit deterioration, loan acquired through business combination or acquisition, and net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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