Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 170,764	$ 171,027
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization (including amounts in discontinued operations)	293,541	154,922
Amortization of deferred revenue and lease intangibles, net	(15,454)	(4,580)
Other non-cash amortization	(6,185)	6,455
Change in fair value of financial instruments	2,898
Stock-based compensation	13,596	10,128
Straight-lining of rental income, net	(9,254)	(7,975)
Loss on extinguishment of debt	25,211	6,549
Net gain on sale of real estate assets (including amounts in discontinued operations)		(5,393)
Gain on real estate loan investments	(3,255)
Gain on sale of marketable securities	(733)
Income tax (benefit) expense	(23,310)	2,352
Loss from unconsolidated entities	71	392
Other	2,004	(8)
Changes in operating assets and liabilities:
Increase in other assets	(27,009)	(9,017)
Increase in accrued interest	19,141	15,763
Increase in accounts payable and other liabilities	1,875	5,504
Net cash provided by operating activities	443,901	346,119
Cash flows from investing activities:
Net investment in real estate property	(344,687)	(239,157)
Purchase of noncontrolling interest	(3,319)
Investment in loans receivable	(619,859)	(38,725)
Proceeds from real estate disposals	14,961	25,597
Proceeds from loans receivable	138,934	1,552
Proceeds from sale of marketable securities	23,050
Development project expenditures	(23,233)	(1,649)
Capital expenditures	(28,658)	(11,594)
Other	(113)	(4,500)
Net cash used in investing activities	(842,924)	(268,476)
Cash flows from financing activities:
Net change in borrowings under revolving credit facilities	434,000	233,004
Proceeds from debt	957,753	201,237
Repayment of debt	(895,043)	(331,378)
Payment of deferred financing costs	(1,898)	(1,872)
Issuance of common stock, net	299,926
Cash distribution to common stockholders	(354,932)	(251,921)
Cash distribution to redeemable OP unitholders	(4,038)
Contributions from noncontrolling interest	2	818
Distributions to noncontrolling interest	(1,997)	(6,633)
Other	1,017	5,426
Net cash provided by (used in) financing activities	434,790	(151,319)
Net increase (decrease) in cash and cash equivalents	35,767	(73,676)
Effect of foreign currency translation on cash and cash equivalents	(97)	69
Cash and cash equivalents at beginning of period	21,812	107,397
Cash and cash equivalents at end of period	57,482	33,790
Assets and liabilities assumed from acquisitions:
Real estate investments	11,034,620	125,846
Other assets acquired	431,679	(385)
Debt assumed	3,508,226	125,320
Other liabilities	992,122	141
Deferred income tax liability	43,889
Redeemable OP unitholder interests	100,430
Noncontrolling interests	83,702
Equity issued	$ 6,737,930