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Summary of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Financing Receivable Impaired [Line Items] |  |  |
Tdrs Recorded Investment On Nonaccrual Status |  | $ 1,993 | $ 22,209
Financing Receivable, Nonaccrual | [1] | 27,820 | 66,860
Commercial and Industrial [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Financing Receivable, Nonaccrual | [1] | 3,439 | 34,729
Commercial Real Estate [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Financing Receivable, Nonaccrual | [1] | 10,870 | 10,195
Small Business [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Financing Receivable, Nonaccrual | [1] | 44 | 825
Residential Real Estate [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Financing Receivable, Nonaccrual | [1] | 9,182 | 15,528
Home Equity [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Financing Receivable, Nonaccrual | [1] | 3,781 | 5,427
Consumer Portfolio Segment [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Financing Receivable, Nonaccrual | [1] | $ 504 | $ 156
[1] | Included in these amounts are $2.0 million and $22.2 million of nonaccruing TDRs at December 31, 2021 and December 31, 2020, respectively.

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