Quarterly report pursuant to Section 13 or 15(d)

Receivables (Details)

v3.6.0.2
Receivables (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2016
Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     $ 81,975 $ 43,332
Less: allowance for doubtful accounts $ (30) $ (30) (30) (30)
Receivables, net     81,945 43,302
Allowance for Doubtful Accounts Receivable [Roll Forward]        
Beginning Balance 30 30    
Provision 0 0    
Charge-off 0 0    
Ending Balance $ 30 $ 30    
Customer trade receivables        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     3,475 4,001
Wholesale trade advances        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     74,044 11,860
Due from brokers        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     $ 4,456 $ 27,471