REAL ESTATE PROPERTIES (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Expenditures for ground leases [Line Items]
Leases terms minimum (in years)	40 years
Leases terms maximum (in years)	50 years
Renewal period option minimum (in years)	15 years
Renewal period option maximum (in years)	35 years
Total ground lease expenditures for continuing and discontinued operations	$ 733	$ 705	$ 700
Payment increase interval minimum (in years)	3 years
Payment increase interval maximum (in years)	10 years
Future Total Minimum Ground Lease Payments [Abstract]
2013	731
2014	731
2015	731
2016	731
2017	731
Thereafter	13,009
Total minimum payments	$ 16,664
FLORIDA [Member]
Expenditures for ground leases [Line Items]
Number of properties subject to ground leases	2
TEXAS [Member]
Expenditures for ground leases [Line Items]
Number of properties subject to ground leases	2
ARIZONA [Member]
Expenditures for ground leases [Line Items]
Number of properties subject to ground leases	1