COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended		0 Months Ended	3 Months Ended	6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2012 Sun Healthcare Group, Inc [Member] Facilities States employee	Jun. 30, 2011 Sun Healthcare Group, Inc [Member]	Jun. 30, 2012 Sun Healthcare Group, Inc [Member] Facilities States employee	Jun. 30, 2011 Sun Healthcare Group, Inc [Member]	Dec. 31, 2011 Sun Healthcare Group, Inc [Member]	Jun. 20, 2012 Sun Healthcare Group, Inc [Member]	Aug. 01, 2011 Cadia Portfolio [Member] Facilities Beds	Jun. 30, 2012 Cadia Portfolio [Member]	Jun. 30, 2012 Cadia Portfolio [Member]	Aug. 01, 2011 Cadia Portfolio [Member] Minimum [Member]	Aug. 01, 2011 Cadia Portfolio [Member] Maximum [Member]	Jun. 30, 2012 Customer Concentration Risk [Member] Revenue [Member] Sun Healthcare Group, Inc [Member]	Jun. 30, 2012 Customer Concentration Risk [Member] Revenue [Member] Sun Healthcare Group, Inc [Member]	Jun. 30, 2012 Customer Concentration Risk [Member] Revenue [Member] Cadia Portfolio [Member]	Jun. 30, 2012 Customer Concentration Risk [Member] Revenue [Member] Cadia Portfolio [Member]	Jun. 30, 2012 Customer Concentration Risk [Member] Assets [Member] Cadia Portfolio [Member]	Jun. 30, 2012 Customer Concentration Risk [Member] Assets [Member] Cadia Portfolio [Member]	Jun. 30, 2012 Geographic Concentration Risk [Member] Revenue [Member] Maximum [Member]	Jun. 30, 2011 Geographic Concentration Risk [Member] Revenue [Member] Maximum [Member]	Jun. 30, 2012 Geographic Concentration Risk [Member] Revenue [Member] Maximum [Member]	Jun. 30, 2011 Geographic Concentration Risk [Member] Revenue [Member] Maximum [Member]	Jun. 30, 2012 Geographic Concentration Risk [Member] Net Assets, Geographic Area [Member] States	Jun. 30, 2012 Operating Segments [Member] Facilities	Dec. 31, 2011 Operating Segments [Member] Facilities	Jun. 30, 2012 Operating Segments [Member] Sun Healthcare Group, Inc [Member] Facilities
Concentration Risk [Line Items]
Number of Real Estate Properties																							103	97	86
Concentration risk, percentage												72.00%	74.00%	11.00%	11.00%	12.00%	12.00%	14.00%	18.00%	14.00%	18.00%
Number of inpatient centers	190		190
Number of states in which entity operates	23		23
Earnings before interest, depreciation, amortization, restructuring costs and rent	$ 56,200,000	$ 67,700,000	$ 108,400,000	$ 132,300,000
Debt net of cash	45,600,000		45,600,000
Liquidity	103,600,000		103,600,000
Line of credit facility, remaining borrowing capacity	60,000,000		60,000,000
Concentration Risk, Major Customer, Acquisition by Third-party, Cash Payment Per Common Share						$ 8.50
Concentration Risk, Major Customer, Acquisition by Third-party, Consideration Transferred						275,000,000
Concentration Risk, Major Customer, Acquisition by Third-party, After Acquisition, Combined Revenue					4,000,000,000
Concentration Risk, Major Customer, Acquisition by Third-party, After Acquisition, Combined Number of Properties	420		420
Concentration Risk, Major Customer, Acquisition by Third-party, After Acquisition, Combined Number of Employees	75,000		75,000
Number of acquired properties							4
Age of facilities acquired										3 years	16 years
Number of units in real estate property							500
Loans and Leases Receivable, Lease Term							15 years
Revenues	457,100,000	470,600,000	915,600,000	936,900,000				14,841	29,800
Operating expenses								14,104	28,491
Net income								718	1,272
Cash and cash equivalents	43,600,000		43,600,000					5,633	5,633
Total current assets								10,027	10,027
Total current liabilities								7,243	7,243
Total debt								$ 0	$ 0
Number of States in which Entity Operates																						25