Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities - Unrealized Loss Position (Details)

v3.22.1
Marketable Securities - Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]    
AFS, Less than 12 months, Fair Value $ 48,067 $ 44,634
AFS, Less than 12 months, Gross Unrealized losses (1,065) (183)
AFS, 12 months or longer, Fair Value 0 0
AFS, 12 months or longer, Gross Unrealized Losses 0 0
Total available for sale securities    
Debt Securities, Available-for-sale [Line Items]    
AFS, Less than 12 months, Fair Value 48,067 44,634
AFS, Less than 12 months, Gross Unrealized losses (1,065) (183)
AFS, 12 months or longer, Fair Value 0 0
AFS, 12 months or longer, Gross Unrealized Losses 0 0
U.S. corporate securities    
Debt Securities, Available-for-sale [Line Items]    
AFS, Less than 12 months, Fair Value 38,334 35,961
AFS, Less than 12 months, Gross Unrealized losses (858) (154)
AFS, 12 months or longer, Fair Value 0 0
AFS, 12 months or longer, Gross Unrealized Losses 0 0
U.S. government securities    
Debt Securities, Available-for-sale [Line Items]    
AFS, Less than 12 months, Fair Value 2,984 2,996
AFS, Less than 12 months, Gross Unrealized losses (14) (1)
AFS, 12 months or longer, Fair Value 0 0
AFS, 12 months or longer, Gross Unrealized Losses 0 0
Asset-backed securities    
Debt Securities, Available-for-sale [Line Items]    
AFS, Less than 12 months, Fair Value 6,029 4,938
AFS, Less than 12 months, Gross Unrealized losses (167) (22)
AFS, 12 months or longer, Fair Value 0 0
AFS, 12 months or longer, Gross Unrealized Losses 0 0
Other debt securities    
Debt Securities, Available-for-sale [Line Items]    
AFS, Less than 12 months, Fair Value 720 739
AFS, Less than 12 months, Gross Unrealized losses (26) (6)
AFS, 12 months or longer, Fair Value 0 0
AFS, 12 months or longer, Gross Unrealized Losses $ 0 $ 0