Investment in Savoy (Condensed Statement of Operations - Savoy) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue		$ 95,253	$ 38,460	$ 193,254	$ 74,227
Expenses		(85,945)	(34,950)	(172,943)	(66,015)
Net income (loss)	[1]	$ 6,853	$ 3,068	14,444	6,594
Savoy [Member]
Revenue				7,671	24,493
Expenses				(7,712)	(14,480)
Net income (loss)				$ (41)	$ 10,013

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