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	Jun. 30, 2013	Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	$ 9,175	$ 11,483
Other intangible assets, accumulated amortization	(1,846)	(4,239)
Acquired lease intangible liabilities, net	51,346	54,350
Leases, Acquired-in-Place [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	70,336	72,598
Other intangible assets, accumulated amortization	(41,445)	(38,290)
Above Market Leases [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired above market leases, net	29,974	32,846
Other intangible assets, accumulated amortization	(20,799)	(21,363)
Lease Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired lease intangible assets, net	38,066	45,791
Below Market Leases [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Below market leases	79,706	80,071
Below market leases, accumulated amortization	(28,360)	(25,721)
Acquired lease intangible liabilities, net	$ 51,346	$ 54,350