Basis of Presentation, Organization and Summary of Significant Accounting Policies (Fair Value of Financial Statements) (Details) - London Interbank Offered Rate (LIBOR)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate spread over variable rate	1.375%
Third Amended Credit Agreement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate spread over variable rate	1.375%	0.50%