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Marketable Securities (Tables)
12 Months Ended
Jan. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Summary of Available-For-Sale Marketable Securities
The following is a summary of available-for-sale marketable securities, excluding those securities classified within cash and cash equivalents on the consolidated balance sheets (in thousands):

January 31, 2022
Amortized CostUnrealized GainUnrealized LossesFair value
Corporate bonds$124,639 $$(163)$124,477 
U.S. government and agency securities37,725 — (35)37,690 
Commercial paper48,818 — (2)48,816 
Marketable securities$211,182 $$(200)$210,983 
January 31, 2021
Amortized CostUnrealized GainUnrealized LossesFair value
Corporate bonds$26,894 $— $(2)$26,892 
U.S. government and agency securities125,804 20 — 125,824 
Commercial paper59,936 — — 59,936 
Marketable securities$212,634 $20 $(2)$212,652