PRO FORMA FINANCIAL INFORMATION (UNAUDITED) - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) Facilitiy	Dec. 31, 2014 Facilitiy
Business Acquisition [Line Items]
Acquisition pursuit costs | $	$ 6.7
Skilled Nursing/Transitional Care Facilities [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Number of acquired properties	4	10
Senior Housing [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Number of acquired properties	20	32