Unconsolidated Real Estate Affiliates (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
EQUITY IN INCOME (LOSS) OF UNCONSOLIDATED REAL ESTATE AFFILIATES
Equity in income (loss) of unconsolidated real estate affiliates	$ (176,000)	$ (1,493,000)	$ (2,373,000)
Unconsolidated Real Estate Affiliates [Member]
EQUITY IN INCOME (LOSS) OF UNCONSOLIDATED REAL ESTATE AFFILIATES
Net income (loss) of unconsolidated real estate affiliates	69	(1,519)	(2,379)
Other members' share of net (income) loss	(272)	(45)	663
Adjustment for basis differential in investment in unconsolidated real estate affiliates	37	74	(228)
Other expenses from unconsolidated real estate affiliates	10	3	1
Equity Method Investment, Realized Gain (Loss) on Disposal			(428)
Equity in income (loss) of unconsolidated real estate affiliates	$ (176)	$ (1,493)	$ (2,373)