Other Assets and Other Liabilities (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Other Assets
Lease intangible assets	$ 330,151	$ 116,993
Straight-line rents assets	161,535	112,284
Investment management contracts	134,445	24,066
Prepaid assets	119,250	52,272
Value added tax and other tax receivables	113,624	72,289
Goodwill	25,280	32,760
Other	162,428	182,750
Total	1,046,713	593,414
Other Liabilities
Deferred income taxes	604,302	90,471
Tenant security deposit	160,998	71,982
Value added tax and other tax liabilities	79,904	80,188
Unearned rent	118,810	36,776
Deferred income	52,750	53,931
Lease intangible liability	24,724	737
Other	160,136	133,913
Total	$ 1,201,624	$ 467,998