Real Estate (Tables)

3 Months Ended

Mar. 31, 2012

Real Estate (Tables) [Abstract]

Table of Real Estate Owned

	March 31, 2012			December 31, 2011
Land	$	4,384,200		$	4,367,816
Depreciable property:
Buildings and improvements	14,294,619			14,262,616
Furniture, fixtures and equipment	1,311,696			1,292,124
Projects under development:
Land	76,112			75,646
Construction-in-progress	109,509			84,544
Land held for development:
Land	323,017			299,096
Construction-in-progress	37,938			26,104
Investment in real estate	20,537,091			20,407,946
Accumulated depreciation	(4,658,994		)	(4,539,583		)
Investment in real estate, net	$	15,878,097		$	15,868,363

Acquired Properties Table

	Properties	Apartment Units	Purchase Price
Rental Properties – Consolidated	3	544	$	159,100
Land Parcels (two)	—	—	23,740
Total	3	544	$	182,840

Disposed Properties Table

	Properties	Apartment Units	Sales Price
Rental Properties – Consolidated	3	1,522	$	206,350
Total	3	1,522	$	206,350