ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Accounts Payable and Accrued Liabilities [Abstract]
Property taxes payable	$ 20,335	$ 12,107
Development costs payable	9,232	7,170
Interest payable	2,998	2,615
Dividends payable on unvested restricted stock	1,769	1,191
Other payables and accrued expenses	7,999	5,831
Accounts payable and accrued expenses	$ 42,333	$ 28,914