Stockholders' Equity and Loss Per Share (Details) (USD $)	1 Months Ended		3 Months Ended				3 Months Ended
	Apr. 30, 2012	Mar. 31, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Horseshoe Casino Baltimore [Member]	Dec. 31, 2013 Horseshoe Casino Baltimore [Member]	Mar. 31, 2014 2012 Stock Offering [Member]	Mar. 31, 2014 2014 Stock Offering [Member]
Class of Stock [Line Items]
Net loss			$ (382,800,000)	$ (216,700,000)
Maximum aggregate common stock offering price		500,000,000.0
Shares authorized	10,000,000
Shares sold during period (in shares)							0	7,000,000
Common stock, shares issued							1,070,493
Common Stock, Value, Outstanding							15,600,000
Share Price								$ 19.40
Proceeds from issuance of common stock			900,000	0				135,800,000
Proceeds from Divestiture of Businesses					$ 12,800,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					41.40%	51.80%