Equity Investment in Savoy (Condensed Statement of Operations - Savoy) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Revenue	$ 241,171		$ 153,870
Expenses	(230,470)		(124,272)
Net income	10,219	[1]	22,423	[1]
Savoy [Member]
Revenue	41,583		42,248
Expenses	(29,354)		(29,322)
Net income	$ 12,229		$ 12,926

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