Individually Significant Dispositions (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
REVENUES
Rental income	$ 616,165	$ 664,606
Total revenues	619,083	666,371
EXPENSES (1)
Cost of Property Repairs and Maintenance	109,165	124,560
Real Estate Taxes and Insurance	80,196	86,432
Property management	23,495	22,765
General and administrative	16,717	19,762
Depreciation	172,885	194,521
Total expenses	402,458	448,040
Operating income	216,625	218,331
Interest and other income	3,058	169
INTEREST (2)
Expense incurred, net	(213,492)	(108,782)
Amortization of deferred financing costs	(5,394)	(2,589)
Net gain on sales of real estate properties	3,723,479	79,951
Net income attributable to Noncontrolling Interests	(143,309)	(7,059)
Net income attributable to controlling interests	$ 3,587,758	$ 182,522
Starwood Portfolio [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of consolidated NOI	4.50%	16.00%
REVENUES
Rental income	$ 30,117	$ 103,709
Total revenues	30,117	103,709
EXPENSES (1)
Cost of Property Repairs and Maintenance	7,890	19,086
Real Estate Taxes and Insurance	2,872	12,147
Property management	2	3
General and administrative	1	1
Depreciation	0	26,194
Total expenses	10,765	57,431
Operating income	19,352	46,278
Interest and other income	2	0
INTEREST (2)
Expense incurred, net	(328)	(164)
Amortization of deferred financing costs	(707)	(24)
Net gain on sales of real estate properties	3,161,221	0
Net Income (Loss) Allocated to General Partners	3,179,540	46,090
Net income attributable to Noncontrolling Interests	(122,132)	(1,754)
Net income attributable to controlling interests	$ 3,057,408	$ 44,336