Quarterly report pursuant to Section 13 or 15(d)

Investments in Debt Securities (Details)

v3.20.2
Investments in Debt Securities (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Debt Securities, Available-for-sale [Line Items]    
Adjusted cost $ 6,017  
Gross unrealized losses (7)  
Fair value $ 6,010 $ 0
Minimum    
Debt Securities, Available-for-sale [Line Items]    
Interest rate 0.45%  
Maximum    
Debt Securities, Available-for-sale [Line Items]    
Interest rate 3.40%