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Loans (Interest written off on nonaccual loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Financing Receivable, Credit Quality Indicator - nonaccrual loans written off interest [Line Items] |  |  |  |
Financing Receivable Accrued Interest Reversed Through Interest Income | $ 393 | $ 175 | $ 1,854 | $ 1,462
Commercial Portfolio Segment [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator - nonaccrual loans written off interest [Line Items] |  |  |  |
Financing Receivable Accrued Interest Reversed Through Interest Income | 387 | 149 | 1,835 | 1,316
Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator - nonaccrual loans written off interest [Line Items] |  |  |  |
Financing Receivable Accrued Interest Reversed Through Interest Income | $ 6 | $ 26 | $ 19 | $ 146

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