Annual report pursuant to Section 13 and 15(d)

Financing Agreements - Liability on Borrowed Metals - Additional Information (Details)

v3.20.2
Financing Agreements - Liability on Borrowed Metals - Additional Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Jun. 30, 2019
Liabilities On Borrowed Metals [Line Items]    
Liabilities on borrowed metals $ 168,206 $ 201,144
Precious Metals Held Under Financing Arrangements    
Liabilities On Borrowed Metals [Line Items]    
Borrowed precious metals from suppliers 148,900 179,300
Inventories    
Liabilities On Borrowed Metals [Line Items]    
Borrowed precious metals from suppliers $ 19,300 $ 21,800