Annual report pursuant to Section 13 and 15(d)

Investments In Unconsolidated Joint Ventures (Rosewood Morristown, L.L.C.) (Narrative) (Details)

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Investments In Unconsolidated Joint Ventures (Rosewood Morristown, L.L.C.) (Narrative) (Details) (USD $)
 12 Months Ended 2 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended
Dec. 31, 2012
Morristown Epsteins, L.L.C. [Member]
Oct. 23, 2012
Morristown Epsteins, L.L.C. [Member]
Dec. 31, 2012
Epsteins B Rentals, L.L.C. [Member]
Dec. 31, 2012
Epsteins B Rentals, L.L.C. [Member]
Dec. 31, 2012
Prudential [Member]
Oct. 23, 2012
Prudential [Member]
Dec. 31, 2012
Rosewood Morristown, L.L.C. [Member]
Oct. 23, 2012
Rosewood Morristown, L.L.C. [Member]
Oct. 23, 2012
Rosewood Morristown's Interest In Morristown Epsteins [Member]
Dec. 31, 2012
40 Park Condominium Property [Member]
Morristown Epsteins, L.L.C. [Member]
item
Oct. 23, 2012
40 Park Condominium Property [Member]
Morristown Epsteins, L.L.C. [Member]
item
Dec. 31, 2012
40 Park Condominium Property [Member]
PR II/Morristown Prudential, L.L.C. [Member]
Oct. 23, 2012
Lofts At 40 Park Property [Member]
Morristown Epsteins, L.L.C. [Member]
item
Oct. 23, 2012
Metropolitan Property [Member]
Morristown Epsteins, L.L.C. [Member]
item
Oct. 23, 2012
The Shops [Member]
Morristown Epsteins, L.L.C. [Member]
sqft
property
Aug. 31, 2013
Scenario, Forecast [Member]
Epsteins B Rentals, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]                                
Percentage of interest in venture               50.00%                
Investment ownership percentage                 50.00%         50.00%    
Third party ownership percentage   50.00%       79.00%                    
Number of units                     76   91 130    
Number of unsold units                   2 3          
Number of stories                         7      
Area of property (in square feet)                             60,000  
Number of real estate properties                             2  
Interest rate 8.00%                              
Preferred rate of return             8.00%                  
Note payable $ 2,300,000                              
Adjusted capital balance             3,200,000                  
Interest in net sales proceeds                       15.00%        
Percentage of operating return on capital       9.00%                        
Capital balance         14,700,000   700,000                  
Mortgage loans, carrying amount 1,100,000   48,500,000 48,500,000                        
Spread over LIBOR 2.50%   2.75% 2.75%                        
Mortgage loan, maturity date September 2013     February 2014                        
Principal payment                               1,900,000
Management, leasing and other services fees     $ 36,000                          
Holding and distribution pattern under operating agreement The operating agreement of Morristown provides, among other things, for the distribution of net available cash to the members, as follows:to pay accrued and unpaid interest at a rate of eight percent on the balance note, as defined;to Rosewood in an amount equal to its current year's annual preferred return rate of eight percent on its adjusted capital, as defined;to pay the outstanding balance remaining on the balance note, which was $2.3 million as of December 31, 2012;to Rosewood in an amount equal to its adjusted capital balance, which was $3.2 million as of December 31, 2012; andto the members in accordance with their ownership percentages.     In general, the operating agreement of Epsteins provides that operating cash flows are distributed to members first to Prudential and then to Rosewood based on a nine percent 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.