OTHER ASSETS (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Straight-line rent receivables, net	$ 210,644	$ 187,572
Unsecured loans receivable and investments, net	33,210	17,620
Other intangibles, net	14,598	19,122
Marketable securities	0	76,046
Other	160,050	151,282
Total other assets	$ 418,502	$ 451,642