OTHER ASSETS (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Straight-line rent receivables, net	$ 250,083	$ 244,580
Non-mortgage loans receivable, net	54,630	52,544
Other intangibles, net	7,484	8,190
Investment in unconsolidated operating entities	43,003	28,431
Other	162,083	184,619
Total other assets	$ 517,283	$ 518,364