ACQUIRED IN-PLACE LEASES AND ABOVE/BELOW MARKET LEASES Acquired Lease Intangibles and Leasing Costs Included in Other Assets and Other Liabilities and Deferred Credits (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	$ 2,995	$ 3,337
Other intangible assets, accumulated amortization	(2,139)	(1,904)
Below market leases	68,829	68,973
Below market leases, accumulated amortization	(31,835)	(30,806)
Acquired lease intangible liabilities, net	36,994	38,167
Leases, Acquired-in-Place
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	52,098	52,289
Other intangible assets, accumulated amortization	(39,267)	(38,425)
Above Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	22,164	22,201
Other intangible assets, accumulated amortization	(19,169)	(18,864)
Lease Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired lease intangible assets, net	$ 15,826	$ 17,201