Other Liabilities - Schedule of Other Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule Of Other Liabilities [Line Items]
Income tax liabilities	$ 189,547	$ 463,102
Tenant security deposits	140,279	174,137
Unearned rents	60,624	115,020
Value added taxes payable	46,269	31,399
Deferred income	43,749	50,025
Lease intangible liabilities	33,126	53,289
Environmental	28,831	30,075
Other	158,998	198,864
Total other liabilities	$ 701,423	$ 1,115,911