BASIS OF PRESENTATION (Details)	3 Months Ended
	Mar. 31, 2013 Residence Unit State
BASIS OF PRESENTATION [Abstract]
Number of assisted and independent living residences	210
Number of states in which the entity operates	20
Real Estate Properties [Line Items]
Number of residences units	9,313
Common stock split ratio	2
Minimum [Member]
Real Estate Properties [Line Items]
Number of residences units	40
Maximum [Member]
Real Estate Properties [Line Items]
Number of residences units	60