Other Investments (Schedule of Summarized Investee Financial Information) (Details) - Marina Palms - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Equity Method Investments, Summarized Financial Information [Line Items]
Equity Method Investment, Summarized Financial Information, Revenue	$ 71,852	$ 48
Equity Method Investment, Summarized Financial Information, Costs and Expenses	(45,523)	(1,304)
Equity Method Investment, Summarized Financial Information, Net Income (Loss)	$ 26,329	$ (1,256)