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Summary of Significant Accounting Policies (Receivables and Credit Losses) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
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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- Definition Credit Losses, Financial Assets and Other Instruments, Allowance for Credit Loss, Cumulative Effect of Change for Adoption of Credit Loss Guidance + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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