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Cash Equivalents and Marketable Securities
6 Months Ended
Jul. 31, 2020
Cash and Cash Equivalents [Abstract]  
Cash Equivalents and Marketable Securities Cash Equivalents and Marketable Securities
As of July 31, 2020, cash equivalent and marketable securities consisted of the following (in thousands):

Amortized CostUnrealized GainsUnrealized LossesAggregate Fair Value
Money market funds$113,131 $ $ $113,131 
U.S. government and agency securities109,977 10  109,987 
Commercial paper25,753  25,753 
Total$248,861 $10 $ $248,871 
Included in cash and cash equivalents$127,130 $ $ $127,130 
Included in marketable securities$121,731 $10 $ $121,741 
As of January 31, 2020, cash equivalent and marketable securities consisted of the following (in thousands):

Amortized CostUnrealized GainsUnrealized LossesAggregate Fair Value
Money market funds$92,272 $ $ $92,272 
U.S. government and agency securities115,412 13  115,425 
Commercial paper31,379  31,379 
Corporate notes and bonds5,665 9  5,674 
Total$244,728 $22 $ $244,750 
Included in cash and cash equivalents$127,917 $ $ $127,917 
Included in marketable securities$116,811 $22 $ $116,833 

Marketable securities as of July 31, 2020 and January 31, 2020 had a stated maturity date of less than one year.