Quarterly report pursuant to Section 13 or 15(d)

Secured Loans Receivable (Summary of Carrying-value of Secured Loans) (Details)

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Secured Loans Receivable (Summary of Carrying-value of Secured Loans) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current and long-term) $ 80,939 $ 70,504
Secured loans originated by company and with related party [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current and long-term) 31,756 37,650
Secured loans originated    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current and long-term) 28,933 36,280
Secured loans originated - with a related party    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current and long-term) 2,823 1,370
Secured loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current and long-term) $ 49,183 $ 32,854