Quarterly report pursuant to Section 13 or 15(d)

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

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Receivables (Loans Receivable and Credit Quality Indicators) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Jun. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Receivables and secured loans gross $ 97,303 $ 80,670
Percentage of secured loans 100.00% 100.00%
Secured loans 38,627 41,261
Secured loans
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Receivables and secured loans gross 38,627 41,261
Percentage of secured loans 100.00% 100.00%
Secured loans | Bullion
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Receivables and secured loans gross 14,542 17,361
Percentage of secured loans 37.60% 42.10%
Secured loans | Numismatic and semi numismatic
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Receivables and secured loans gross 24,085 23,900
Percentage of secured loans 62.40% 57.90%
Loan-to-value of 75% or more
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Percentage of secured loans 38.30% 29.00%
Secured loans 14,791 11,950
Loan-to-value of less than 75%
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Percentage of secured loans 61.70% 71.00%
Secured loans $ 23,836 $ 29,311