Investment in Savoy (Condensed Statement of Operations - Savoy) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue	$ 75,885	$ 98,001
Expenses	(67,985)	(86,998)
Net income	6,162	7,591
Savoy [Member]
Revenue	2,148	4,360
Expenses	(2,943)	(4,027)
Net income	$ (795)	$ 333