Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Related Party Transactions - Schedule of Sales and Purchases of Related Parties (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Related Party Transaction [Line Items]        
Sales $ 279,041 $ 142,452 $ 530,845 $ 445,708
Purchases 22,569 11,659 65,540 36,643
Stack's Bowers Galleries        
Related Party Transaction [Line Items]        
Sales 26,169 4,785 44,934 23,873
Purchases 15,151 3,924 36,317 21,883
Equity method investee        
Related Party Transaction [Line Items]        
Sales 251,420 135,130 480,740 410,617
Purchases 7,325 7,574 28,475 13,262
SilverTowne L.P.        
Related Party Transaction [Line Items]        
Sales 1,452 2,537 5,171 11,218
Purchases $ 93 $ 161 $ 748 $ 1,498