Quarterly report pursuant to Section 13 or 15(d)

Inventories - Additional Information (Details)

v3.21.2
Inventories - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Inventory [Line Items]    
Inventory held for sale [1] $ 346,285 $ 256,991
Precious metals inventory subject to repurchase arrangements 121,300 75,100
Consignment arrangements with customers 1,300 1,300
Commemorative coin inventory, held at lower of cost or net realizable value 709 406
Product financing arrangement, restricted 219,400 201,000
Unrealized losses included in inventory balance 17,100 5,600
Premium on metals position 16,035 11,017
Inventories    
Inventory [Line Items]    
Borrowed precious metals from suppliers 18,200 20,900
Inventory held for Sale    
Inventory [Line Items]    
Inventory held for sale $ 204,771 $ 159,319
[1]

Includes amounts of the consolidated variable interest entity, which is presented separately in the table below.