INTANGIBLE ASSETS, NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Other intangible assets [Abstract]
Intangible assets, Gross Carrying Amount	$ 331			$ 331		$ 15,165
Intangible assets, Accumulated Amortization	(314)			(314)		(6,137)
Intangible assets, Net	17			17		9,028
Amortization expense related to definite-lived intangible assets	17		300	400	900
Unamortized operating lease intangible written off	0	8,700	0	8,650	0
Resident relationships [Member]
Other intangible assets [Abstract]
Intangible assets, Gross Carrying Amount	0			0		3,169
Intangible assets, Accumulated Amortization	0			0		(3,167)
Intangible assets, Net	0			0		2
Operating lease intangible and renewal options [Member]
Other intangible assets [Abstract]
Intangible assets, Gross Carrying Amount	0			0		11,665
Intangible assets, Accumulated Amortization	0			0		(2,705)
Intangible assets, Net	0			0		8,960
Non-compete agreements [Member]
Other intangible assets [Abstract]
Intangible assets, Gross Carrying Amount	331			331		331
Intangible assets, Accumulated Amortization	(314)			(314)		(265)
Intangible assets, Net	$ 17			$ 17		$ 66