Quarterly report pursuant to Section 13 or 15(d)

Financing Agreements - Lines of Credit - Additional Information (Details)

v3.20.4
Financing Agreements - Lines of Credit - Additional Information (Details) - Line of Credit - USD ($)
 3 Months Ended 6 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2020
Bridge Loan | LIBOR          
Debt Instrument [Line Items]          
Variable rate     4.50%    
Trading Credit Facility          
Debt Instrument [Line Items]          
Interest expense $ 1,600,000 $ 1,900,000 $ 3,000,000 $ 4,100,000  
Percentage of total expense recognized 31.60% 37.60% 31.70% 39.60%  
Effective rate of interest 2.97% 4.22% 2.96% 4.49%  
Revolving Credit Facility | LIBOR          
Debt Instrument [Line Items]          
Variable rate     2.50%    
A-Mark | Trading Credit Facility          
Debt Instrument [Line Items]          
Line of credit facility, maximum borrowing capacity $ 270,000,000   $ 270,000,000    
Line of credit, current borrowing capacity 257,500,000   257,500,000    
Line of credit, accordion option 12,500,000   12,500,000    
Payments of financing costs     4,700,000    
Accumulated amortization of loan cost $ 400,000   $ 400,000   $ 500,000
Variable rate basis     one-month LIBOR    
Credit facility, interest rate at period end 0.14%   0.14%   0.16%
Borrowings due on demand $ 175,000,000   $ 175,000,000   $ 135,000,000
Borrowings available $ 64,100,000   64,100,000   $ 76,300,000
Line of credit facility, tangible net worth financial covenant     $ 55,700,000