Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities - Debt Securities Continuous Unrealized Loss Position (Details)

v3.23.1
Marketable Securities - Debt Securities Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Apr. 30, 2023
Jan. 31, 2023
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Fair Value $ 40,355 $ 39,862
Gross Unrealized Losses (70) (68)
Municipal bonds    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 12,505 0
Gross Unrealized Losses (7) 0
U.S. government and agency securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 151,425 128,537
Gross Unrealized Losses (255) (367)
Certificates of deposit    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 59,335 59,419
Gross Unrealized Losses (101) (155)
Commercial paper    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 154,574 149,970
Gross Unrealized Losses $ (192) $ (202)