Quarterly report pursuant to Section 13 or 15(d)

Investments In Unconsolidated Joint Ventures (PruRose Riverwalk G, L.L.C.) (Narrative) (Details)

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Investments In Unconsolidated Joint Ventures (PruRose Riverwalk G, L.L.C.) (Narrative) (Details) (USD $)
 3 Months Ended 3 Months Ended
Mar. 31, 2014
West New York Parcel G Apartments Investors, L.L.C. [Member]
Mar. 31, 2014
Riverwalk G Urban Renewal, L.L.C. [Member]
Mar. 31, 2013
Riverwalk G Urban Renewal, L.L.C. [Member]
Mar. 31, 2014
Prudential [Member]
Mar. 31, 2014
PruRose Riverwalk G, L.L.C. [Member]
Oct. 23, 2012
PruRose Riverwalk G, L.L.C. [Member]
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Mar. 31, 2014
PruRose Riverwalk G, L.L.C. [Member]
West New York Parcel G Apartments Investors, L.L.C. [Member]
Oct. 23, 2012
PruRose Riverwalk G's Interest In Riverwalk G Urban Renewal [Member]
Mar. 31, 2014
Construction Loan [Member]
West New York Parcel G Apartments Investors, L.L.C. [Member]
Mar. 31, 2014
Construction Loan [Member]
Riverwalk G Urban Renewal, L.L.C. [Member]
Mar. 31, 2014
RiverTrace Project [Member]
West New York Parcel G Apartments Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]                      
Indirect residual ownership percentage           25.00%          
Number of stories           12          
Number of units           316          
Percentage of interest in venture           50.00%          
Investment ownership percentage               50.00%      
Total project costs $ 118,100,000                   $ 35,000,000
Maximum borrowing capacity                 83,100,000 83,100,000  
Percentage of operating return on capital   7.75%                  
Capital balance             35,000,000        
Accumulated unpaid operating return             7,700,000        
Percentage of capital event cash flows distributed 100.00%                    
Internal rate of return 7.75%                    
Amount of company's initial distributions to be redirected       1,300,000              
Amount outstanding                   72,000,000  
Interest rate                   6.00%  
Loan maturity date                   Jul. 01, 2021  
Amount of debt guaranteed by company   15,000,000                  
Period of loan guarantee by company following completion of project                   6 months  
Development management and other services fees   $ 30,000 $ 175,000                
Holding and distribution pattern under operating agreement   In general, the operating agreement of Riverwalk G provides that operating cash flows are distributed to members first to Investor and then to PruRose Riverwalk based on a 7.75 percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.     The operating agreement of PruRose Riverwalk provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages. In addition, the operating agreement requires that the initial $1.3 million in distributions to the Company be redirected to Prudential.