ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Accounts Payable and Accrued Liabilities [Abstract]
Property taxes payable	$ 18,585	$ 9,840
Development costs payable	6,000	5,928
Interest payable	2,629	2,736
Dividends payable on unvested restricted stock	1,582	1,415
Other payables and accrued expenses	5,270	11,286
Accounts payable and accrued expenses	$ 34,066	$ 31,205