Quarterly report pursuant to Section 13 or 15(d)

Receivables (Details)

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Receivables (Details) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Jun. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     $ 23,275 $ 35,886
Less: allowance for doubtful accounts $ (30) $ (30) 0 (30)
Receivables, net [1]     23,275 35,856
Allowance for Doubtful Accounts Receivable [Roll Forward]        
Beginning Balance 30 30    
Provision (30) 0    
Charge-off 0 $ 0    
Ending Balance $ 0      
Customer trade receivables        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     7,131 22,813
Wholesale trade advances        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     13,101 10,722
Due from brokers        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     $ 3,043 $ 2,351
[1] Includes amounts of the consolidated variable interest entity, which is presented separately in the table below.