Long-Term Debt (Schedule of Early Redemption Prices on Junior-Priority Secured Notes due 2023) (Details) - Junior-Priority Secured Notes At 9.875% Due 2023 [Member] - Junior-Priority Secured Notes [Member]	12 Months Ended
	Dec. 31, 2019
Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument Redemption Price Percentage	107.406%
Debt Instrument, Redemption Period, Start Date	Jun. 30, 2020
Debt Instrument, Redemption Period, End Date	Jun. 29, 2021
Debt Instrument, Redemption, Period Four [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument Redemption Price Percentage	103.703%
Debt Instrument, Redemption Period, Start Date	Jun. 30, 2021
Debt Instrument, Redemption Period, End Date	Jun. 29, 2022
Debt Instrument, Redemption, Period Five [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument Redemption Price Percentage	100.00%
Debt Instrument, Redemption Period, Start Date	Jun. 30, 2022
Debt Instrument, Redemption Period, End Date	Jun. 29, 2023