RELATED PARTY TRANSACTIONS (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Related Party Transaction [Line Items]
Total rental income	$ 60,482,000	$ 59,222,000
Investment in WBW CHP LLC (in percent)	47.70%
ICW Plaza
Related Party Transaction [Line Items]
Total rental income	500,000	500,000
WBW CHP LLC [Member]
Related Party Transaction [Line Items]
Amount Recovered For Reimbursements Of Operating Expense For Related Party	$ 300,000	$ 200,000