Quarterly report pursuant to Section 13 or 15(d)

Financing Agreements Liability on Borrowed Metals (Details)

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Financing Agreements Liability on Borrowed Metals (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jun. 30, 2019
Debt Disclosure [Abstract]    
Liabilities on borrowed metals $ 196,738 $ 201,144