Investment in Savoy (Condensed Statement of Operations - Savoy) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Revenue	$ 98,001		$ 35,767
Expenses	(86,998)		(31,065)
Net income	7,591	[1]	3,526	[1]
Savoy [Member]
Revenue	4,360		12,438
Expenses	(4,027)		(7,161)
Net income	$ 333		$ 5,277

[1] There is no material difference between net income and comprehensive income.