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Loans and Allowance for Credit Losses on Loans - Allocation of the Allowance for Credit Losses on Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	$ 11,702	$ 12,651
Qualitative adjustments	11,605	10,323
Specific allocations	23	9
Loan modification	23,330	22,983
Commercial loans | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	1,137	1,079
Qualitative adjustments	784	706
Specific allocations	20	9
Loan modification	1,941	1,794
Commercial real estate loans | Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	1,349	1,497
Qualitative adjustments	1,291	990
Specific allocations	0	0
Loan modification	2,640	2,487
Commercial real estate loans | Commercial non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	7,409	7,937
Qualitative adjustments	5,292	4,739
Specific allocations	0	0
Loan modification	12,701	12,676
Commercial real estate loans | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	239	453
Qualitative adjustments	1,780	1,484
Specific allocations	0	0
Loan modification	2,019	1,937
Residential loans | Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	459	504
Qualitative adjustments	79	54
Specific allocations	0	0
Loan modification	538	558
Residential loans | Other residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	535	571
Qualitative adjustments	42	24
Specific allocations	0	0
Loan modification	577	595
Consumer loans | Installment and other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	574	610
Qualitative adjustments	305	258
Specific allocations	3	0
Loan modification	882	868
Unallocated
Financing Receivable, Troubled Debt Restructuring [Line Items]
Modeled expected credit losses	0	0
Qualitative adjustments	2,032	2,068
Specific allocations	0	0
Loan modification	$ 2,032	$ 2,068

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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