REAL ESTATE HELD FOR SALE DISCONTINUED OPERATIONS (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 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
Property sales price					$ 7,019,000	$ 10,300,000	$ 578,000
Real Estate Held-for-sale, Gain on Sale					1,869,000	4,474,000
Real Estate Held-for-sale, Gain on Sale, Net of Tax							167,000
Income from real estate operations	0	417,000	0	833,000
Expenses from real estate operations	0	(113,000)	0	(223,000)
Property net operating income from discontinued operations	0	304,000	0	610,000
Depreciation and amortization from discontinued operations	0	(170,000)	0	(382,000)
Income from real estate operations	0	134,000	0	228,000
Gain on sales of nondepreciable real estate investments, net of tax	0	0	0	167,000
Gain on Sales of Real Estate Investments	0	1,869,000	0	1,869,000
INCOME FROM DISCONTINUED OPERATIONS	$ 0	$ 2,003,000	$ 0	$ 2,264,000