Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Details)

v3.21.2
Related Party Transactions - Additional Information (Details)
12 Months Ended
May 17, 2021
USD ($)
Oct. 01, 2020
USD ($)
Sep. 19, 2019
USD ($)
Jun. 30, 2021
USD ($)
investment
Jun. 30, 2020
USD ($)
investment
Sep. 19, 2017
USD ($)
Related Party Transaction [Line Items]            
Number of investments | investment       5    
Carrying Value       $ 18,200,000 $ 16,800,000  
Percentage of investments in privately-held entities accounted under equity method 44.90%     44.90%    
Earnings from equity method investments       $ 15,547,000 4,878,000  
Dividend received from equity method investee       343,000 0.0  
Interest income       1,100,000 $ 600,000  
March 1, 2018 Loan Agreement            
Related Party Transaction [Line Items]            
Maximum borrowing capacity available       $ 10,000,000.0    
Participation interest, percentage of net profits realized on sale       10.00%    
Equity method investee            
Related Party Transaction [Line Items]            
Number of investments | investment         4  
Stack's Bowers Galleries | September 19, 2017 Loan Agreement            
Related Party Transaction [Line Items]            
Maximum borrowing capacity available           $ 5,300,000
Short term loan receivable       $ 0.0 $ 700,000  
Stack's Bowers Galleries | March 1, 2018 Loan Agreement            
Related Party Transaction [Line Items]            
Short term loan receivable       3,000,000.0 8,000,000.0  
Privately Held Customer | Convertible Revolving Credit Facility            
Related Party Transaction [Line Items]            
Maximum borrowing capacity available     $ 4,000,000.0      
Line of credit facility, interest rate     12.00%      
Line of credit facility, outstanding balance   $ 3,500,000   $ 0.0 $ 3,500,000  
Line of credit facility, conversion amount $ 2,500,000 1,000,000.0        
Line of credit facility, repayment of third-party loan   $ 5,800,000