Related Party Transactions (Details) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Related Party Transactions (Textuals) [Abstract]
Management fees related to the Atria properties	$ 4,300,000	$ 4,300,000
Rent paid to The Irvine company			$ 536,000

Cash payments to lessor's for use of assets under operating leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 27

Name:	us-gaap_PaymentsForRent
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration