Commitments and Contingencies (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
NorthMarq Capital LLC [Member] | Mortgage Loan [Member]
Commitments And Contingencies (Textual) [Abstract]
Amount to be Repaid	$ 988,341	$ 1,004,607
Key Bank Real Estate Capital [Member] | Mortgage Loan [Member]
Commitments And Contingencies (Textual) [Abstract]
Amount to be Repaid	5,868,276	5,974,655
GE Commercial Finance Business Property Corporation [Member] | Mortgage Loan [Member]
Commitments And Contingencies (Textual) [Abstract]
Amount to be Repaid	4,997,631	5,052,762
Multi Tenant Apartment [Member] | NorthMarq Capital LLC [Member]
Commitments And Contingencies (Textual) [Abstract]
Mortgage Loan Outstanding	2,454,897	2,495,298
Grand Forks Marketplace Retail Center [Member] | Market Place Investors, LLC [Member]
Commitments And Contingencies (Textual) [Abstract]
Percentage of interest	33.30%
Grand Forks Marketplace Retail Center [Member] | Key Bank Real Estate Capital [Member]
Commitments And Contingencies (Textual) [Abstract]
Mortgage Loan Outstanding	11,736,552	11,949,310
Banner Building [Member] | GE Commercial Finance Business Property Corporation [Member]
Commitments And Contingencies (Textual) [Abstract]
Mortgage Loan Outstanding	$ 7,496,446	$ 7,579,143
Highland Meadows, LLLP, Bismarck, North Dakota [Member] | Multi Tenant Apartment [Member]
Commitments And Contingencies (Textual) [Abstract]
Complex, Unit	144
Grand Forks INREIT, LLC [Member] | Market Place Investors, LLC [Member]
Commitments And Contingencies (Textual) [Abstract]
Percentage of interest	50.00%
Grand Forks INREIT, LLC [Member] | Grand Forks Marketplace Retail Center [Member]
Commitments And Contingencies (Textual) [Abstract]
Percentage of interest	33.30%
Grand Forks, North Dakota [Member] | Grand Forks Marketplace Retail Center [Member]
Commitments And Contingencies (Textual) [Abstract]
Area of Commercial Space	183,000
Fargo, North Dakota [Member] | Banner Building [Member]
Commitments And Contingencies (Textual) [Abstract]
Area of Commercial Space	75,000
Operating Partnership [Member] | Grand Forks Marketplace Retail Center [Member]
Commitments And Contingencies (Textual) [Abstract]
Percentage of interest	50.00%
Operating Partnership [Member] | Highland Meadows, LLLP, Bismarck, North Dakota [Member]
Commitments And Contingencies (Textual) [Abstract]
Percentage of interest	40.26%
Operating Partnership [Member] | Grand Forks INREIT, LLC [Member]
Commitments And Contingencies (Textual) [Abstract]
Percentage of interest	100.00%
Operating Partnership [Member] | Fargo, North Dakota [Member] | Banner Building [Member]
Commitments And Contingencies (Textual) [Abstract]
Percentage of interest	66.60%