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Basis of Presentation, Organization and Summary of Significant Accounting Policies (Fair Value of Financial Statements) (Details) |  | 12 Months Ended
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Oct. 16, 2020 | Dec. 31, 2020
Fourth Amended and Restated Credit Agreement | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate spread over variable rate | 1.00% | 1.625%

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