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Mortgages and Other Financing Receivables (Details) - Jun. 30, 2015
$ in Millions
USD ($)
loans
Mortgages and other financing receivables (Textual)  
Total number of loans | loans 14
Percentage of interest rate minimum 3.25%
Percentage of interest rate maximum 7.00%
Performing Financial Instruments [Member]  
Mortgages and other financing receivables (Textual)  
Total performing loans $ 23.0
Aggregate outstanding balance $ 49.9