CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
ASSETS:
Property, net	$ 5,945,007	$ 6,079,043
Cash and cash equivalents	89,797	67,248
Restricted cash	58,869	68,628
Marketable securities	24,257	24,833
Tenant and other receivables, net	98,198	109,092
Deferred charges and other assets, net	387,118	483,763
Loans to unconsolidated joint ventures	3,403	3,995
Due from affiliates	3,572	3,387
Investments in unconsolidated joint ventures	1,120,832	1,098,560
Total assets	7,731,053	7,938,549
Mortgage notes payable:
Related parties	277,117	279,430
Others	3,025,203	3,049,008
Total	3,302,320	3,328,438
Bank and other notes payable	764,444	877,636
Accounts payable and accrued expenses	57,619	72,870
Other accrued liabilities	270,103	299,098
Distributions in excess of investments in unconsolidated joint ventures	79,213	70,685
Co-venture obligation	119,576	125,171
Total liabilities	4,593,275	4,773,898
Commitments and contingencies
Stockholders' equity:
Common stock, $0.01 par value, 250,000,000 shares authorized, 133,283,744 and 132,153,444 shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively	1,333	1,321
Additional paid-in capital	3,500,217	3,490,647
Accumulated deficit	(705,292)	(678,631)
Total stockholders' equity	2,796,258	2,813,337
Noncontrolling interests	341,520	351,314
Total equity	3,137,778	3,164,651
Total liabilities and equity	$ 7,731,053	$ 7,938,549