REAL ESTATE INVESTMENTS (Details) (USD $)	12 Months Ended			0 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 22, 2013	Jun. 30, 2014
Real Estate Properties
Buildings and improvements	$ 1,551,548,000	$ 879,926,000
Fixtures and equipment	82,812,000	50,567,000
Land improvements	3,646,000	4,392,000
Land	193,793,000	131,611,000
Total Real Estate at Cost	1,831,799,000	1,066,496,000
Accumulated Depreciation	(185,994,000)	(151,078,000)
Total Real Estate Investments, Net	1,645,805,000	915,418,000
Change in fair value of contingent consideration	(1,560,000)	200,000	0
Operating Segments
Real Estate Properties
Number of Properties	160	121
Number of Beds/Units	16,718	12,468
Total Real Estate at Cost	1,831,534,000	1,066,242,000
Accumulated Depreciation	(185,789,000)	(150,925,000)
Total Real Estate Investments, Net	1,645,745,000	915,317,000
Skilled Nursing Transitional Care Facilities
Real Estate Properties
Number of Properties	103	96
Number of Beds/Units	11,336	10,826
Total Real Estate at Cost	851,252,000	737,188,000
Accumulated Depreciation	(151,978,000)	(132,068,000)
Total Real Estate Investments, Net	699,274,000	605,120,000
Senior Housing Facilities
Real Estate Properties
Number of Properties	55	23
Number of Beds/Units	5,258	1,518
Total Real Estate at Cost	804,475,000	153,247,000
Accumulated Depreciation	(22,487,000)	(13,337,000)
Total Real Estate Investments, Net	781,988,000	139,910,000
Acute Care Hospitals
Real Estate Properties
Number of Properties	2	2
Number of Beds/Units	124	124
Total Real Estate at Cost	175,807,000	175,807,000
Accumulated Depreciation	(11,324,000)	(5,520,000)
Total Real Estate Investments, Net	164,483,000	170,287,000
Corporate Level
Real Estate Properties
Total Real Estate at Cost	265,000	254,000
Accumulated Depreciation	(205,000)	(153,000)
Total Real Estate Investments, Net	60,000	101,000
Forest Park Medical Center - Frisco
Real Estate Properties
Business Combination, Consideration Transferred				119,800,000
Business Combination, Contingent Consideration, Liability	0			7,300,000
Change in fair value of contingent consideration	2,300,000
Business Combination, Consideration Transferred, Other				10,500,000
Business Combination, Consideration Transferred, Other, Holding Period				20 months
Business Combination, Consideration Transferred, Other, Annual Fee during Holding Period				500,000
Increase (Decrease) in Restricted Cash					5,300,000
Deposit Assets	$ 5,200,000
Acute Care Hospitals | Forest Park Medical Center - Frisco
Real Estate Properties
Business Acquisition, Number of Acquired Properties				1