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Summary of Significant Accounting Policies (Recent Accounting Pronouncements) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
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Jan. 01, 2020 | Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Allowance for credit loss impact |  | $ 5,541
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Allowance for credit loss impact | $ 5,500 |

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- Details
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