Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details)

v3.20.4
MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Jun. 30, 2020
Debt Securities, Available-for-sale [Line Items]    
Fair Value $ 89,708 $ 74,260
Gross Unrealized Losses (30) (59)
Corporate debt securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 47,474 44,429
Gross Unrealized Losses (23) (50)
Municipal securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 6,478 870
Gross Unrealized Losses (3) 0
U.S. Government agency securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 6,504 9,951
Gross Unrealized Losses (3) (7)
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 29,252 19,010
Gross Unrealized Losses $ (1) $ (2)