Equity Investment in Real Estate and the Managed REITs (Details 4) (Managed REITs, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Managed REITs
Equity Method Investment Summarized Financial Information Income Statement
Revenues	$ 210,031	$ 211,102	$ 602,153	$ 573,969
Expenses	(204,097)	(198,286)	(594,186)	(528,847)
Income from continuing operations	5,934	12,816	7,967	45,122
Net income attributable to the Managed REITs	$ 5,934	$ 18,303	$ 7,967	$ 45,389