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REAL ESTATE HELD FOR SALE DISCONTINUED OPERATIONS (Details) (USD $)
3 Months Ended 9 Months Ended 3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Jun. 30, 2012
Realized Investment Gains (Losses) Phoenix Sale [Member] [Domain]
sqft
Sold_Properties
Dec. 31, 2012
Realized Investment Gains (Losses) Tulsa Sale [Member] [Domain] [Domain]
Sold_Properties
sqft
Mar. 31, 2012
Subsidiaries [Member]
Tampa Sale [Member]
sqft
Sold_Properties
Long Lived Assets Held-for-sale [Line Items]              
Number of real estate properties transferred to held for sale and sold         1 1 2
Square Footage of Real Estate Property         174,000 259,000 10,500
Proceeds from Sale of Property, Plant, and Equipment         $ 7,019,000 $ 10,300,000 $ 578,000
Real Estate Held-for-sale, Gain on Sale, Net of Tax             167,000
Income from real estate operations 0 296,000 0 1,129,000      
Expenses from real estate operations 0 (62,000) 0 (285,000)      
Property net operating income from discontinued operations 0 234,000 0 844,000      
Depreciation and amortization from discontinued operations 0 (101,000) 0 (483,000)      
Income from real estate operations 0 133,000 0 361,000      
Gain on sales of nondepreciable real estate investments, net of tax 0 0 0 167,000      
Real Estate Held-for-sale, Gain on Sale 0 0 0 1,869,000 1,869,000 4,474,000  
INCOME FROM DISCONTINUED OPERATIONS $ 0 $ 133,000 $ 0 $ 2,397,000