Quarterly report pursuant to Section 13 or 15(d)

Description of Business - Additional Information (Details)

v3.21.2
Description of Business - Additional Information (Details)
1 Months Ended 3 Months Ended
Apr. 30, 2021
Sep. 30, 2021
reportable_segments
Coin
Mar. 19, 2021
Description Of Business [Line Items]      
Number of reportable segments | reportable_segments   3  
Number of coins and bar products | Coin   1,000  
JMB      
Description Of Business [Line Items]      
Business acquisition, percentage of interests acquired     79.50%
Precious Metals Purchasing Partners, LLC      
Description Of Business [Line Items]      
Percentage of ownership percentage   50.00%  
Collectible Card Partners, LLC      
Description Of Business [Line Items]      
Percentage of ownership percentage 50.00%