SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 Segment Companies	Dec. 31, 2012 Companies	Dec. 31, 2011 Companies
Accounting Policies
Number of business combinations	2	23	11
Proceeds from sale of real estate	$ 2,208,000	$ 0	$ 0
Cash and Cash Equivalents
Restricted cash	5,352,000	4,589,000
Deferred Financing Costs
Deferred financing costs, net of amortization	15,400,000	12,400,000
Industry Segments
Number of reportable segments	1
Business Combination, Acquisition Related Costs	1,500,000	1,700,000	3,200,000
Cash obligations
Cash and Cash Equivalents
Restricted cash	3,500,000	2,300,000
Skilled Nursing Post Acute Facility Held-for-sale [Member]
Industry Segments
Real Estate Held-for-sale	$ 0	$ 2,200,000