Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details)

v3.20.2
MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Jun. 30, 2020
Debt Securities, Available-for-sale [Line Items]    
Fair Value $ 100,401 $ 74,260
Gross Unrealized Losses (96) (59)
Corporate debt securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 54,747 44,429
Gross Unrealized Losses (88) (50)
Municipal securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 2,328 870
Gross Unrealized Losses 0 0
U.S. Government agency securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 24,762 9,951
Gross Unrealized Losses (8) (7)
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 18,564 19,010
Gross Unrealized Losses $ 0 $ (2)