REAL ESTATE PROPERTIES HELD FOR INVESTMENT - Schedule of Real Estate Properties Held for Investment (Details) $ in Thousands	Jun. 30, 2016 USD ($) Bed Facilitiy	Dec. 31, 2015 USD ($) Bed Facilitiy
Real Estate Properties [Line Items]
Building and improvements	$ 1,864,232	$ 1,954,129
Furniture and equipment	82,217	97,840
Land improvements	3,888	3,594
Land	216,607	221,894
Total Real Estate at Cost	2,166,944	2,277,457
Accumulated Depreciation	(258,277)	(237,841)
Total Real Estate Investments, Net	$ 1,908,667	$ 2,039,616
Operating Segments [Member]
Real Estate Properties [Line Items]
Number of Properties | Facilitiy	178	180
Number of Beds/Units | Bed	18,390	18,349
Total Real Estate at Cost	$ 2,166,542	$ 2,277,158
Accumulated Depreciation	(258,034)	(237,589)
Total Real Estate Investments, Net	$ 1,908,508	$ 2,039,569
Skilled Nursing/Transitional Care Facilities [Member]
Real Estate Properties [Line Items]
Number of Properties | Facilitiy	102	103
Number of Beds/Units | Bed	11,545	11,515
Total Real Estate at Cost	$ 1,043,771	$ 1,051,189
Accumulated Depreciation	(188,108)	(174,662)
Total Real Estate Investments, Net	$ 855,663	$ 876,527
Senior Housing [Member]
Real Estate Properties [Line Items]
Number of Properties | Facilitiy	75	75
Number of Beds/Units | Bed	6,775	6,710
Total Real Estate at Cost	$ 1,061,131	$ 1,050,162
Accumulated Depreciation	(60,462)	(45,800)
Total Real Estate Investments, Net	$ 1,000,669	$ 1,004,362
Acute Care Hospital [Member]
Real Estate Properties [Line Items]
Number of Properties | Facilitiy	1	2
Number of Beds/Units | Bed	70	124
Total Real Estate at Cost	$ 61,640	$ 175,807
Accumulated Depreciation	(9,464)	(17,127)
Total Real Estate Investments, Net	52,176	158,680
Corporate [Member]
Real Estate Properties [Line Items]
Total Real Estate at Cost	402	299
Accumulated Depreciation	(243)	(252)
Total Real Estate Investments, Net	$ 159	$ 47