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ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Summary of accounts payable and accrued expenses [Abstract]    
Property taxes payable $ 9,840 $ 9,776
Development costs payable 5,928 673
Interest payable 2,736 2,625
Dividends payable on nonvested restricted stock 1,415 791
Other payables and accrued expenses 11,286 7,104
Accounts payable and accrued expenses $ 31,205 $ 20,969