Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Investment properties:
Land	$ 1,981,465	$ 1,938,637
Building and other improvements	8,705,433	8,465,602
Construction in progress	385,555	323,842
Total	11,072,453	10,728,081
Less accumulated depreciation	(1,469,058)	(1,301,899)
Net investment properties	9,603,395	9,426,182
Cash and cash equivalents	211,472	218,163
Restricted cash and escrows	98,482	98,444
Investment in marketable securities	323,461	289,365
Investment in unconsolidated entities	299,369	316,711
Accounts and rents receivable (net of allowance of $10,783 and $9,488)	123,502	114,615
Intangible assets, net	296,429	326,332
Deferred costs and other assets	113,114	129,378
Total assets	11,069,224	10,919,190
Liabilities:
Mortgages, notes and margins payable, net	6,195,031	5,902,712
Accounts payable and accrued expenses	135,071	105,153
Distributions payable	36,640	36,216
Intangible liabilities, net	79,689	83,203
Other liabilities	126,113	128,592
Total liabilities	6,572,544	6,255,876
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value, 40,000,000 shares authorized, none outstanding	0	0
Common stock, $.001 par value, 1,460,000,000 shares authorized, 879,351,306 and 869,187,360 shares issued and outstanding	879	869
Additional paid in capital (net of offering costs of $828,434, of which $788,272 was paid to affiliates)	7,849,256	7,775,880
Accumulated distributions in excess of net loss	(3,422,273)	(3,155,222)
Accumulated other comprehensive income	69,018	41,948
Total Company stockholders' equity	4,496,880	4,663,475
Noncontrolling interests	(200)	(161)
Total equity	4,496,680	4,663,314
Total liabilities and equity	$ 11,069,224	$ 10,919,190