Equity Investment in Real Estate and the Managed REITs (Details 3) (Managed REITs, USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Managed REITs
Equity Method Investment Summarized Financial Information
Real estate, net	$ 6,193,018	$ 6,049,926
Other assets	2,025,509	2,002,620
Assets	8,218,527	8,052,546
Debt	(3,676,503)	(3,509,394)
Accounts payable, accrued expenses, and other liabilities	(456,211)	(450,362)
Liabilities	(4,132,714)	(3,959,756)
Reedemable noncontrolling interest	(21,094)	(21,747)
Noncontrolling interests	(167,140)	(170,140)
Partners'/stockholders' equity	$ 3,897,579	$ 3,900,903

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The amount of other assets reported by an equity method investment of the entity.

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The amount of equity (capital) attributable to redeemable noncontrolling interests of an equity method investment of the entity.

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