Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities, at Fair Value (Fair Value of Financial Instruments) (Details)

v3.10.0.1
Assets and Liabilities, at Fair Value (Fair Value of Financial Instruments) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jun. 30, 2018
Financial assets:    
Derivative assets $ 1,601 $ 7,395
Financial liabilities:    
Liability on borrowed metals 227,317 280,346
Product financing arrangements 82,413 113,940
Derivative liabilities 25,304 20,457
Accrued liabilities [1] 4,951 5,129
Carrying Amount    
Financial assets:    
Cash 11,830 6,291
Receivables, net 23,275 35,856
Secured loans receivable 104,757 110,424
Income tax receivables 1,527 1,553
Financial liabilities:    
Lines of credit 139,000 200,000
Debt obligation (related party) 0 7,226
Liability on borrowed metals 227,317 280,346
Product financing arrangements 82,413 113,940
Accounts payable 46,740 45,997
Accrued liabilities 4,951 5,129
Other long-term liabilities (related party) 0 798
Notes payable 86,569 0
Carrying Amount | Liability on margin accounts    
Financial liabilities:    
Derivative liabilities 2,718 3,804
Carrying Amount | Option contracts    
Financial liabilities:    
Derivative liabilities 0 168
Carrying Amount | Open sale and purchase commitments    
Financial liabilities:    
Derivative liabilities 6,112 16,485
Carrying Amount | Future contracts    
Financial liabilities:    
Derivative liabilities 3,230 0
Carrying Amount | Forward contracts    
Financial liabilities:    
Derivative liabilities 13,244 0
Carrying Amount | Open sale and purchase commitments    
Financial assets:    
Derivative assets 1,401 2,274
Carrying Amount | Option contracts    
Financial assets:    
Derivative assets 174 390
Carrying Amount | Future contracts    
Financial assets:    
Derivative assets 0 238
Carrying Amount | Forward contracts    
Financial assets:    
Derivative assets 26 4,493
Fair value    
Financial assets:    
Cash 11,830 6,291
Receivables, net 23,275 35,856
Secured loans receivable 104,757 110,424
Income tax receivables 1,527 1,553
Financial liabilities:    
Lines of credit 139,000 200,000
Debt obligation (related party) 0 7,226
Liability on borrowed metals 227,317 280,346
Product financing arrangements 82,413 113,940
Accounts payable 46,740 45,997
Accrued liabilities 4,951 5,129
Other long-term liabilities (related party) 0 798
Notes payable 86,569 0
Fair value | Liability on margin accounts    
Financial liabilities:    
Derivative liabilities 2,718 3,804
Fair value | Option contracts    
Financial liabilities:    
Derivative liabilities 0 168
Fair value | Open sale and purchase commitments    
Financial liabilities:    
Derivative liabilities 6,112 16,485
Fair value | Future contracts    
Financial liabilities:    
Derivative liabilities 3,230 0
Fair value | Forward contracts    
Financial liabilities:    
Derivative liabilities 13,244 0
Fair value | Open sale and purchase commitments    
Financial assets:    
Derivative assets 1,401 2,274
Fair value | Option contracts    
Financial assets:    
Derivative assets 174 390
Fair value | Future contracts    
Financial assets:    
Derivative assets 0 238
Fair value | Forward contracts    
Financial assets:    
Derivative assets $ 26 $ 4,493
[1] Includes amounts of the consolidated variable interest entity, which is presented separately in the table below.