Elmcroft II Portfolio Update (Details)	9 Months Ended
	Sep. 30, 2011 Segment Property Year State Province License LeaseRenewal
Elmcroft II Portfolio Update (Textuals) [Abstract]
Number of seniors housing communities acquired operated by Hearthstone	32
Master lease period	15 years
Number of master lease renewals pursuant to lease terms	2
Duration of master lease per renewal pursuant to lease terms	5 years
Number of licenses granted	11
Elmcroft Senior Living [Member]
Portfolio Operator Transition Update [Line Items]
Senior housing communities operating together with affiliates	64
Senior Housing Communities [Member]
Portfolio Operator Transition Update [Line Items]
Number of states which has triple net seniors housing communities	10