Quarterly report pursuant to Section 13 or 15(d)

AVAILABLE-FOR-SALE SECURITIES - Investments by Major Security Type (Details)

v3.21.2
AVAILABLE-FOR-SALE SECURITIES - Investments by Major Security Type (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 184,593,000 $ 0
Gross Unrealized Gains 20,000 0
Gross Unrealized Losses (38,000) 0
Total Fair Value 184,575,000 0
Commercial Paper    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 83,732,000 0
Gross Unrealized Gains 3,000 0
Gross Unrealized Losses (12,000) 0
Total Fair Value 83,723,000 0
Corporate Bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 94,978,000 0
Gross Unrealized Gains 17,000 0
Gross Unrealized Losses (21,000) 0
Total Fair Value 94,974,000 0
Municipal Bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 5,883,000 0
Gross Unrealized Gains 0 0
Gross Unrealized Losses (5,000) 0
Total Fair Value $ 5,878,000 $ 0