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Significant Accounting Policies (Narratives) (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Impairment of Real Estate					$ 30,000
Amortization of above and below Market Leases	121,000	57,000	233,000	89,000
Amortization of Intangible Assets	155,000	92,000	306,000	184,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			1,360,096	1,024,877
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Real Estate Accumulated Depreciation, Depreciation Expense	1,005,000	878,000	1,979,000	1,737,000
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life			30 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life			55 years
Assets Leased to Others [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life			1 year
Assets Leased to Others [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life			10 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life			4 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life			5 years
Residential Real Estate [Member]
Revenue Recognition [Line Items]
Number Of Real Estate Properties	1		1
Retail Properties [Member]
Revenue Recognition [Line Items]
Number Of Real Estate Properties	1		1
Assets Held-for-sale [Member]
Revenue Recognition [Line Items]
Real Estate Held-for-sale	5,700,000		5,700,000
Liabilities of Assets Held-for-sale	$ 1,900,000		$ 1,900,000
Assets Held-for-sale [Member] | Model Home [Member]
Revenue Recognition [Line Items]
Number Of Real Estate Properties	14		14

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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