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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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