PRO FORMA FINANCIAL INFORMATION - Narrative (Details) $ in Millions		3 Months Ended	9 Months Ended
	Feb. 14, 2014 unit	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($) Facilitiy	Sep. 30, 2014 Facilitiy
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Acquisition pursuit costs | $		$ 0.5	$ 5.7
Skilled Nursing Transitional Care Facilities [Member]
Business Acquisition [Line Items]
Number of acquired properties	4
Skilled Nursing Transitional Care Facilities [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Number of acquired properties | Facilitiy			3	6
Senior Housing Facilities [Member]
Business Acquisition [Line Items]
Number of acquired properties	2
Senior Housing Facilities [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Number of acquired properties | Facilitiy			19	27