Quarterly report pursuant to Section 13 or 15(d)

Secured Loans (Loans Receivable and Credit Quality Indicators) (Details)

v3.3.0.814
Secured Loans (Loans Receivable and Credit Quality Indicators) (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
class
Jun. 30, 2015
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Classes of receivables | class 3  
Secured loan $ 50,416 $ 49,316
Secured loan, percentage 100.00% 100.00%
Secured loans (current) $ 49,766 $ 48,666
Bullion and Numismatic    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 49,566 $ 48,466
Secured loan, percentage 98.30% 98.30%
Secured loans (current) $ 49,566 $ 48,466
Secured loans (current), percentage 100.00% 100.00%
Bullion and Numismatic | Loan-to-value of 75% or more    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 27,418 $ 17,153
Secured loans (current), percentage 55.30% 35.40%
Bullion and Numismatic | Loan-to-value of less than 75%    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 22,148 $ 31,313
Secured loans (current), percentage 44.70% 64.60%
Bullion    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 17,121 $ 16,250
Secured loan, percentage 34.00% 33.00%
Numismatic and semi numismatic    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 32,445 $ 32,216
Secured loan, percentage 64.30% 65.30%
Other pledged assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 850 $ 850
Secured loan, percentage 1.70% 1.70%
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%