MORTGAGES, NOTES AND LOANS PAYABLE (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Mortgages, notes and loans payable
Deferred Financing Costs, net of accumulated amortization	$ (10,434)	$ (12,392)
Total mortgages, notes and loans payable	2,651,805	2,443,962
Deferred Financing Costs, accumulated amortization	14,700	12,700
Secured Debt
Mortgages, notes and loans payable
Fixed-rate debt:	1,059,210	1,087,642
Variable-rate debt:	1,553,786	1,314,973
Amount of variable-rate debt swapped to fixed rate	207,600	209,500
Bonds
Mortgages, notes and loans payable
Fixed-rate debt:	$ 49,243	$ 53,739