Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Details)

v3.22.2.2
Marketable Securities (Details) - USD ($)
$ in Thousands
Jul. 31, 2022
Jan. 31, 2022
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 388,150 $ 211,182
Unrealized Gain 13 1
Unrealized Losses (1,517) (200)
Fair value 386,646 210,983
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 122,320 124,639
Unrealized Gain 3 1
Unrealized Losses (712) (163)
Fair value 121,611 124,477
U.S. government and agency securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 160,043 37,725
Unrealized Gain 7 0
Unrealized Losses (444) (35)
Fair value 159,606 37,690
Commercial paper    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 18,385 48,818
Unrealized Gain 3 0
Unrealized Losses (68) (2)
Fair value 18,320 $ 48,816
Certificate of deposits    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 87,402  
Unrealized Gain 0  
Unrealized Losses (293)  
Fair value $ 87,109