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	Sep. 30, 2013	Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	$ 8,305	$ 11,483
Other intangible assets, accumulated amortization	(1,515)	(4,239)
Below market leases	76,996	80,071
Below market leases, accumulated amortization	(27,552)	(25,721)
Acquired lease intangible liabilities, net	49,444	54,350
Leases, Acquired-in-Place
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	63,242	72,598
Other intangible assets, accumulated amortization	(36,689)	(38,290)
Above Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	28,362	32,846
Other intangible assets, accumulated amortization	(20,057)	(21,363)
Lease Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired lease intangible assets, net	$ 34,858	$ 45,791