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, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	$ 4,647	$ 5,103
Other intangible assets, accumulated amortization	(1,612)	(1,590)
Below market leases	70,013	70,013
Below market leases, accumulated amortization	(28,344)	(27,161)
Acquired lease intangible liabilities, net	41,669	42,852
Leases, Acquired-in-Place
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	53,383	53,967
Other intangible assets, accumulated amortization	(36,001)	(35,336)
Above Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	22,291	22,500
Other intangible assets, accumulated amortization	(17,644)	(17,397)
Lease Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired lease intangible assets, net	$ 22,029	$ 23,734