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	Sep. 30, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	$ 3,767	$ 5,103
Other intangible assets, accumulated amortization	(1,648)	(1,590)
Below market leases	68,988	70,013
Below market leases, accumulated amortization	(29,646)	(27,161)
Acquired lease intangible liabilities, net	39,342	42,852
Leases, Acquired-in-Place
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	52,338	53,967
Other intangible assets, accumulated amortization	(37,347)	(35,336)
Above Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	22,201	22,500
Other intangible assets, accumulated amortization	(18,434)	(17,397)
Lease Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired lease intangible assets, net	$ 18,758	$ 23,734