Long-Term Debt (Schedule of Early Redemption Prices on 6.875% Senior Notes Due 2028) (Details) - Senior Notes At 6.875% Due 2028 [Member] - Senior Notes [Member]		12 Months Ended
Nov. 19, 2019	Dec. 31, 2019
Debt Instrument, Redemption, Period One [Member]
Debt instrument redemption price percentage	100.00%	103.438%
Debt instrument redemption period start date		Apr. 01, 2023
Debt instrument redemption period end date		Mar. 31, 2024
Debt Instrument, Redemption, Period Two [Member]
Debt instrument redemption price percentage	106.875%	101.719%
Debt instrument redemption period start date		Apr. 01, 2024
Debt instrument redemption period end date		Mar. 31, 2025
Debt Instrument, Redemption, Period Three [Member]
Debt instrument redemption price percentage		100.00%
Debt instrument redemption period start date		Apr. 01, 2025
Debt instrument redemption period end date		Mar. 31, 2028

End date of debt instrument redemption period, in CCYY-MM-DD format.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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- Definition

Start date of debt instrument redemption period, in CCYY-MM-DD format.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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