Organization, Basis of Presentation and Recent Accounting Pronouncements (Organization and Basis of Presentation) (Narrative) (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 televisionStation
Television Broadcasting [Member]
Number of television broadcast stations | televisionStation			7
Selling, General and Administrative Expense
Prior Period Reclassification Adjustment	$ 0.2	$ (44.2)
Operating Expenses
Prior Period Reclassification Adjustment	$ (0.2)	$ 44.2