Investment in Savoy (Condensed Statement of Operations - Savoy) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue		$ 68,564	$ 95,253	$ 144,449	$ 193,254
Expenses		(62,329)	(85,945)	(130,314)	(172,943)
Net income	[1]	$ 5,853	$ 6,853	12,015	14,444
Savoy [Member]
Revenue				5,001	7,671
Expenses				(5,167)	(7,712)
Net income				$ (166)	$ (41)

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