Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Schedule of Sales and Purchases of Related Parties (Details)

v3.20.4
Related Party Transactions - Schedule of Sales and Purchases of Related Parties (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]        
Sales $ 409,214 $ 187,962 $ 915,785 $ 376,034
Purchases 19,648 10,968 48,976 43,147
Stack's Bowers Galleries        
Related Party Transaction [Line Items]        
Sales 14,877 7,764 36,831 18,765
Purchases 14,322 4,407 36,335 21,166
Equity method investee        
Related Party Transaction [Line Items]        
Sales 391,617 178,006 872,117 353,550
Purchases 5,326 6,487 7,872 21,326
SilverTowne L.P.        
Related Party Transaction [Line Items]        
Sales $ 2,720 2,192 6,837 3,719
Purchases   $ 74 $ 4,769 $ 655