Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.22.2.2
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Jun. 30, 2022
Jun. 27, 2022
Summary Of Significant Accounting Policies [Line Items]        
Notice period to terminate contract 14 days      
Precious metals held under financing arrangements [1] $ 49,327,000   $ 79,766,000  
Digital assets carrying amount 200,000   200,000  
Digital assets, net of cumulative write-downs 200,000   200,000  
Fair market value of digital assets held 200,000   $ 200,000  
Digital asset, write-downs 0      
Realized gains related to sale of digital assets $ 0 $ 0    
Metals purchase by customer maximum specified time period 1 year      
Metal delivers to customer after receiving customers deposit based on prevailing current spot price percentage 110.00%      
Unpriced metal is subject to margin call If deposit falls below percentage of value of unpriced metal 105.00%      
Percentage to remit partial payment of total order price 20.00%      
Amortization of debt issuance costs $ 554,000 569,000    
Advertising costs 3,545,000 2,773,000    
Cost of sales $ 1,823,759,000 $ 1,957,962,000    
Common stock, shares outstanding 23,453,339 22,703,794 23,379,888  
Change in accounting principle, accounting standards update, adopted [true false] true      
Change in accounting principle, accounting standards update, adoption date Jul. 01, 2022      
Change in accounting principle, accounting standards update, immaterial effect [true false] true      
Accounting standards update description ASU 2016-13      
Silver Gold Bull, Inc.        
Summary Of Significant Accounting Policies [Line Items]        
Business acquisition, percentage of interests acquired     40.00% 40.00%
Business acquisition, option to purchase additional percentage of the outstanding equity     27.60% 27.60%
Fair value of option $ 5,300,000   $ 5,300,000  
Exercise of option to acquire additional ownership interest start month and year 2023-12   2023-12  
Exercise of option to acquire additional ownership interest end month and year 2024-09   2024-09  
Shipping and Handling        
Summary Of Significant Accounting Policies [Line Items]        
Cost of sales $ 6,700,000 $ 5,200,000    
Minimum        
Summary Of Significant Accounting Policies [Line Items]        
Estimated useful lives of related assets 3 years      
Estimated useful lives of intangibles 1 year      
Threshold percentage for equity method investment 20.00%      
Maximum        
Summary Of Significant Accounting Policies [Line Items]        
Estimated useful lives of related assets 25 years      
Estimated useful lives of intangibles 15 years      
Threshold percentage for equity method investment 50.00%      
Customer locks period for purchase price 2 years      
Maximum | Silver Gold Bull, Inc.        
Summary Of Significant Accounting Policies [Line Items]        
Business acquisition, percentage of interests acquired       75.00%
[1] Includes amounts of the condensed consolidated variable interest entity, which is presented separately in the table below.