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Loans and Leases and the Allowance for Credit Losses - Schedule of Loans Modified in TDR (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) contract | Sep. 30, 2020 USD ($) contract | Sep. 30, 2021 USD ($) contract | Sep. 30, 2020 USD ($) contract
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 128 | 22 | 505 | 129
Recorded Investment (as of period end) | $ 3,799 | $ 546 | $ 15,754 | $ 3,124
Increase in Allowance (as of period end) | $ 107 | $ 9 | $ 811 | $ 40
Commercial |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 2 | 1 | 7 | 4
Recorded Investment (as of period end) | $ 153 | $ 92 | $ 258 | $ 1,287
Increase in Allowance (as of period end) | $ 2 | $ 1 | $ 4 | $ 3
Commercial | Commercial and Industrial |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 2 | 0 | 7 | 3
Recorded Investment (as of period end) | $ 153 | $ 0 | $ 258 | $ 188
Increase in Allowance (as of period end) | $ 2 | $ 0 | $ 4 | $ 3
Commercial | Construction |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 0 | 1 | 0 | 1
Recorded Investment (as of period end) | $ 0 | $ 92 | $ 0 | $ 1,099
Increase in Allowance (as of period end) | $ 0 | $ 1 | $ 0 | $ 0
Consumer |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 126 | 21 | 498 | 125
Recorded Investment (as of period end) | $ 3,646 | $ 454 | $ 15,496 | $ 1,837
Increase in Allowance (as of period end) | $ 105 | $ 8 | $ 807 | $ 37
Consumer | Other |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 51 | 7 | 144 | 42
Recorded Investment (as of period end) | $ 439 | $ 93 | $ 1,321 | $ 357
Increase in Allowance (as of period end) | $ 16 | $ 4 | $ 48 | $ 15
Consumer | Residential Mortgage |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 2 | 0 | 14 | 0
Recorded Investment (as of period end) | $ 796 | $ 0 | $ 5,785 | $ 0
Increase in Allowance (as of period end) | $ 21 | $ 0 | $ 584 | $ 0
Consumer | Home Equity |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 2 | 2 | 9 | 2
Recorded Investment (as of period end) | $ 779 | $ 134 | $ 1,488 | $ 134
Increase in Allowance (as of period end) | $ 46 | $ 0 | $ 80 | $ 0
Consumer | Automobile |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Number of Contracts | contract | 71 | 12 | 331 | 81
Recorded Investment (as of period end) | $ 1,632 | $ 227 | $ 6,902 | $ 1,346
Increase in Allowance (as of period end) | $ 22 | $ 4 | $ 95 | $ 22

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