Equity Investment in Real Estate and the Managed REITs (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Managed Programs
Equity Method Investment Summarized Financial Information
Real estate, net	$ 5,969,011	$ 7,218,177
Other assets	2,293,065	2,128,862
Total assets	8,262,076	9,347,039
Debt	(3,387,795)	(4,237,044)
Accounts payable, accrued expenses and other liabilities	(496,857)	(571,097)
Total liabilities	(3,884,652)	(4,808,141)
Noncontrolling interests	(170,249)	(192,492)
Stockholders’ equity	4,207,175	4,346,406
Combined Equity Investments
Equity Method Investment Summarized Financial Information
Real estate, net	486,858	1,038,422
Other assets	81,232	146,635
Total assets	568,090	1,185,057
Debt	(278,012)	(695,429)
Accounts payable, accrued expenses and other liabilities	(10,057)	(77,819)
Total liabilities	(288,069)	(773,248)
Noncontrolling interests	(355)	176
Stockholders’ equity	$ 279,666	$ 411,985

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