Annual report pursuant to Section 13 and 15(d)

MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details)

v3.21.2
MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details)
Jun. 30, 2021
USD ($)
Investments in an Unrealized Loss Position  
Investments in continuous loss position, 12 months or more $ 0
Fair Value 339,282,000
Gross Unrealized Losses (334,000)
Corporate debt securities  
Investments in an Unrealized Loss Position  
Fair Value 161,012,000
Gross Unrealized Losses (135,000)
Municipal securities  
Investments in an Unrealized Loss Position  
Fair Value 21,605,000
Gross Unrealized Losses (33,000)
U.S. Government agency securities  
Investments in an Unrealized Loss Position  
Fair Value 38,904,000
Gross Unrealized Losses (49,000)
U.S. Treasury securities  
Investments in an Unrealized Loss Position  
Fair Value 117,761,000
Gross Unrealized Losses $ (117,000)