Other Assets and Other Liabilities - Schedule of Other Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Other Liabilities [Line Items]
Income tax liabilities	$ 463,102	$ 599,967
Tenant security deposits	174,137	158,544
Unearned rents	115,020	115,093
Lease intangible liabilities	53,289	68,256
Deferred income	50,025	52,045
Value added taxes payable	31,399	42,895
Environmental	30,075	40,206
Other	198,864	148,542
Totals	$ 1,115,911	$ 1,225,548