ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other liabilities
Accounts payable and accrued expenses	$ 16,175	$ 28,454
Accrued interest	3,546	4,065
Accrued real estate taxes	9,894	6,553
Deferred income	3,201	1,211
Accrued payroll and other employee liabilities	1,230	76
Construction payable	9,979	6,719
Tenant and other deposits	1,629	1,424
Conditional asset retirement obligation liability	4,503	4,252
Other	3,461	4,638
Total accounts payable and accrued expenses	88,686	97,512
Tenant leases | Below-market tenant leases, net
Other liabilities
Net carrying amount	$ 35,068	$ 40,120