SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)
In Millions, unless otherwise specified
12 Months Ended 0 Months Ended
Dec. 31, 2012
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Dec. 31, 2011
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Aug. 02, 2011
Oklahoma Facilities
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Principles of Consolidation      
Number of skilled nursing facilities acquired 11 15 5
Monthly fee as a percentage of monthly gross revenues of facility     5.00%
Patient Care Receivables and Revenues      
Patient care receivables, estimated allowance for uncollectible accounts $ 3.7 $ 1.3  
Management Fee Receivables and Revenue      
Management fee receivables, estimated allowance for uncollectible management fee receivables 0 0.1  
Leases and Leasehold Improvements      
Accumulated difference between the straight-line expense recognition and the actual cash rent paid $ 1.4 $ 1.0  
Antidilutive securities (in shares) 13.9 7.7