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Loans and Allowance for Loan and Lease Losses - Average Recorded Investment Of Impaired Loans And Related Interest Income By Loan Portfolio Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Commercial portfolio | Commercial and industrial |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with Allowance: Average Recorded Investment | $ 1,333 | $ 217 | $ 1,158 | $ 187
Impaired Loans with Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Impaired Financing Receivable, Average Recorded Investment, Total | 1,333 | 222 | 1,233 | 566
Impaired Financing Receivable, Interest Income Recognized, Total | 0 | 0 | 0 | 0
Commercial portfolio | Commercial and industrial | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 0 | 5 | 75 | 379
Impaired Loans with No Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Commercial portfolio | Commercial real estate |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with Allowance: Average Recorded Investment | 112 | 1,503 | 112 | 1,192
Impaired Loans with Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Impaired Financing Receivable, Average Recorded Investment, Total | 2,115 | 3,809 | 2,809 | 5,246
Impaired Financing Receivable, Interest Income Recognized, Total | 0 | 0 | 0 | 1
Commercial portfolio | Commercial real estate | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 619 | 938 | 920 | 2,671
Impaired Loans with No Allowance: Interest Income Recognized | 0 | 0 | 0 | 1
Commercial portfolio | Commercial real estate | With no related allowance recorded and acquired with credit deterioration: |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 1,384 | 1,368 | 1,777 | 1,383
Impaired Loans with No Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Commercial portfolio | Commercial real estate - construction |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Financing Receivable, Average Recorded Investment, Total | 1,226 | 23 | 1,365 | 27
Impaired Financing Receivable, Interest Income Recognized, Total | 0 | 0 | 0 | 0
Commercial portfolio | Commercial real estate - construction | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 0 | 23 | 148 | 27
Impaired Loans with No Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Commercial portfolio | Commercial real estate - construction | With no related allowance recorded and acquired with credit deterioration: |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 1,226 | 0 | 1,217 | 0
Impaired Loans with No Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Consumer | Residential mortgage |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with Allowance: Average Recorded Investment | 96 | 0 | 70 | 0
Impaired Loans with Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Impaired Financing Receivable, Average Recorded Investment, Total | 2,573 | 1,299 | 3,089 | 1,193
Impaired Financing Receivable, Interest Income Recognized, Total | 6 | 6 | 17 | 20
Consumer | Residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 1,305 | 1,018 | 1,766 | 902
Impaired Loans with No Allowance: Interest Income Recognized | 6 | 6 | 17 | 20
Consumer | Residential mortgage | With no related allowance recorded and acquired with credit deterioration: |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 1,172 | 281 | 1,253 | 291
Impaired Loans with No Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Consumer | Home equity |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with Allowance: Average Recorded Investment | 252 | 0 | 172 | 0
Impaired Loans with Allowance: Interest Income Recognized | 0 | 0 | 0 | 0
Impaired Financing Receivable, Average Recorded Investment, Total | 350 | 2,379 | 1,025 | 2,364
Impaired Financing Receivable, Interest Income Recognized, Total | 1 | 0 | 184 | 0
Consumer | Home equity | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 15 | 2,379 | 769 | 2,364
Impaired Loans with No Allowance: Interest Income Recognized | 1 | 0 | 184 | 0
Consumer | Home equity | With no related allowance recorded and acquired with credit deterioration: |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Loans with No Allowance: Average Recorded Investment | 83 | 0 | 84 | 0
Impaired Loans with No Allowance: Interest Income Recognized | $ 0 | $ 0 | $ 0 | $ 0

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