Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities - Available -For-Sale Marketable Securities (Details)

v3.23.2
Marketable Securities - Available -For-Sale Marketable Securities (Details) - USD ($)
$ in Thousands
Jul. 31, 2023
Jan. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 481,358 $ 390,926
Unrealized Gains 38 105
Unrealized Losses (671) (792)
Marketable securities 480,725 390,239
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 77,529 39,922
Unrealized Gains 2 8
Unrealized Losses (90) (68)
Marketable securities 77,441 39,862
Municipal bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 7,644 12,429
Unrealized Gains 0 22
Unrealized Losses (10) 0
Marketable securities 7,634 12,451
U.S. government and agency securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 162,564 128,898
Unrealized Gains 18 6
Unrealized Losses (232) (367)
Marketable securities 162,350 128,537
Certificates of deposit    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 56,016 59,546
Unrealized Gains 2 28
Unrealized Losses (57) (155)
Marketable securities 55,961 59,419
Commercial paper    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 177,605 150,131
Unrealized Gains 16 41
Unrealized Losses (282) (202)
Marketable securities $ 177,339 $ 149,970