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Loans and Allowance for Credit Losses on Loans - Troubled Debt Restructuring by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	$ 9,539	$ 9,510
Financing receivable, modifications, recorded investment, nonaccrual status	7,400	7,400
Unfunded commitments for TDR loans	241	441
Commercial loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	1,178	1,183
Commercial real estate loans | Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	7,141	7,155
Commercial real estate loans | Commercial investor-owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	170	179
Residential loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	479	386
Consumer loans | Installment and other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	$ 571	$ 607

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Amount of financing receivable modified as troubled debt restructuring.

+ References

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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Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring.

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