Quarterly report pursuant to Section 13 or 15(d)

Investments In Unconsolidated Joint Ventures (Overlook Ridge, L.L.C.) (Narrative) (Details)

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Investments In Unconsolidated Joint Ventures (Overlook Ridge, L.L.C.) (Narrative) (Details) (USD $)
 6 Months Ended 6 Months Ended
Jul. 15, 2013
Jun. 30, 2013
Overlook Ridge, L.L.C. [Member]
Oct. 23, 2012
Overlook Ridge, L.L.C. [Member]
Jun. 30, 2013
Overlook Ridge, L.L.C. [Member]
Rowe [Member]
Jun. 30, 2013
Maximum [Member]
Jun. 30, 2013
Maximum [Member]
Overlook Ridge, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]            
Percentage of interest in venture     50.00%   80.00%  
Percentage of operating return on capital           6.00%
Notional land capital   $ 20,000,000        
Percentage of notional land capital account assigned   3.00%   97.00%    
Mortgage loan   17,400,000        
Mortgage loans, carrying amount   $ 16,300,000        
Spread over LIBOR 1.25% 3.50%        
Mortgage loan, maturity date   March 2014        
Loan extension period   1 year        
Extension fee   0.25%        
Holding and distribution pattern under operating agreement   The operating agreement of Overlook Ridge provides, among other things, for the distribution of net cash flow to the members, as follows:First, to the members in proportion to their unrecovered capital percentages, as defined, until the cumulative amounts distributed equal such member's return of six percent on the unrecovered capital; andSecond, to the members in accordance with their ownership percentages.