Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.19.3
Related Party Transactions (Details)
3 Months Ended
Dec. 07, 2018
USD ($)
Sep. 30, 2019
USD ($)
loan
investment
Sep. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
Mar. 01, 2018
USD ($)
Sep. 19, 2017
USD ($)
Related Party Transaction [Line Items]            
Number of investments | investment   3        
Receivables   $ 10,702,000   $ 22,849,000    
Payables   591,000   163,000    
Sales   113,551,000 $ 154,211,000      
Purchases   32,179,000 20,707,000      
Interest income   42,000 0      
Income (loss) from equity method investment   11,000 248,000      
Carrying Value   11,897,000   11,885,000    
March 1, 2018 Loan Agreement            
Related Party Transaction [Line Items]            
Maximum borrowing capacity available         $ 10,000,000  
Participation interest, percentage of net profits realized on sale         10.00%  
Goldline, LLC            
Related Party Transaction [Line Items]            
Liabilities incurred for the acquisition $ 7,500,000          
Stack's Bowers Galleries            
Related Party Transaction [Line Items]            
Receivables   8,508,000   17,630,000    
Payables   $ 0   0    
Number of credit lines | loan   2        
Receivables, net   $ 300,000        
Sales   11,001,000 17,475,000      
Purchases   16,759,000 16,772,000      
Stack's Bowers Galleries | September 19, 2017 Loan Agreement            
Related Party Transaction [Line Items]            
Short term loan receivable   4,100,000   6,400,000    
Maximum borrowing capacity available           $ 5,300,000
Stack's Bowers Galleries | March 1, 2018 Loan Agreement            
Related Party Transaction [Line Items]            
Short term loan receivable   4,800,000   7,500,000    
Equity method investee            
Related Party Transaction [Line Items]            
Receivables   1,904,000   4,978,000    
Payables   591,000   163,000    
Sales   101,023,000 132,598,000      
Purchases   14,839,000 3,474,000      
SilverTowne            
Related Party Transaction [Line Items]            
Receivables   290,000   241,000    
Payables   0   $ 0    
Sales   1,527,000 4,138,000      
Purchases   581,000 461,000      
Affiliated entities            
Related Party Transaction [Line Items]            
Interest income   1,925,000 2,022,000      
Affiliated entities | Interest income from secured loans receivables            
Related Party Transaction [Line Items]            
Interest income   298,000 214,000      
Affiliated entities | Interest income from finance products and repurchase arrangements            
Related Party Transaction [Line Items]            
Interest income   1,627,000 1,808,000      
Affiliated entities | Interest expense incurred related to long-term debt obligation            
Related Party Transaction [Line Items]            
Interest expense   $ 0 $ 200,000