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Notes Receivable (Details) (USD $)
 6 Months Ended 1 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Other Loans And Lines Of Credit [Member]
loan
Jun. 30, 2013
Other Loans And Lines Of Credit [Member]
Jun. 30, 2013
Term Loan Eight And One Half Percent [Member]
Other Loans And Lines Of Credit [Member]
Jul. 31, 2014
Subsequent Event [Member]
Other Loans And Lines Of Credit [Member]
Notes Receivable            
Principal payments received $ 72,000 $ 2,413,000 $ 72,000 $ 2,413,000 $ 2,372,000  
Interest rate (as a percent)         8.50%  
Amount funded     89,000 510,000   182,000
Number of commitments     8      
Loan commitment     2,678,000      
Total funded loan commitments     612,000      
Remaining Commitment     $ 2,066,000     $ 1,884,000
Average interest rate (as a percent)     11.80%