Quarterly report pursuant to Section 13 or 15(d)

Secured Loans (Narrative) (Details)

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Secured Loans (Narrative) (Details)
 3 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
loan
class
Jun. 30, 2015
USD ($)
loan
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums $ 99,000 $ 99,000
Number of loans | loan 3 1
Classes of receivables | class 3  
Loans receivable average effective rate of interest (percentage) 8.40% 8.50%
Delinquent period 30 days  
Loan receivable liquidation period post default 90 days  
Loans receivable payment terms for interest 30 days  
Secured loans (current) $ 49,766,000 $ 48,666,000
Minimum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Credit quality indicator Loan-to-value threshold percentage 75.00% 75.00%
Maximum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured Loans-to-Value Percentage 100.00% 100.00%
Loan-to-value of More Than Hundred Percent [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current), percentage 0.50% 0.40%
Secured loans (current) $ 227,000 $ 175,600