Quarterly report pursuant to Section 13 or 15(d)

Inventories - Additional Information (Details)

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Inventories - Additional Information (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2022
Jun. 30, 2022
Inventory [Line Items]    
Inventory held for sale [1] $ 575,292 $ 458,347
Precious metals inventory subject to repurchase arrangements 133,500 130,200
Consignment arrangements with customers 2,800 2,500
Commemorative coin inventory, held at lower of cost or net realizable value 1,211 1,434
Product financing arrangement, restricted 347,300 282,700
Unrealized gains (losses) included in inventory balance 46,800 (15,400)
Premium on metals position 33,698 27,059
Inventories    
Inventory [Line Items]    
Borrowed precious metals from suppliers 22,900 24,400
Inventory held for Sale    
Inventory [Line Items]    
Inventory held for sale $ 414,953 $ 299,844
[1] Includes amounts of the consolidated variable interest entity, which are presented separately in the table below.