SEGMENT INFORMATION (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Capital expenditures
Payments to acquire productive assets	$ 129,527	$ 266,807	$ 351,475	$ 364,365
Triple-Net Leased Properties
Capital expenditures
Payments to acquire productive assets	57,380	31,824	249,432	45,004
Senior Living Operations
Capital expenditures
Payments to acquire productive assets	62,317	224,921	79,180	245,089
MOB Operations
Capital expenditures
Payments to acquire productive assets	$ 9,830	$ 10,062	$ 22,863	$ 74,272