CASH, CASH EQUIVALENTS, AND SHORT-TERM INVESTMENTS
 3 Months Ended
Apr. 30, 2022
Cash, Cash Equivalents, and Short-term Investments [Abstract]  
CASH, CASH EQUIVALENTS, AND SHORT-TERM INVESTMENTS CASH, CASH EQUIVALENTS, AND SHORT-TERM INVESTMENTSThe following tables summarize our cash, cash equivalents, and short-term investments as of April 30, 2022 and January 31, 2022:
April 30, 2022
(in thousands) Cost BasisGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Cash and cash equivalents:
Cash and bank time deposits$184,944 $— $— $184,944 
Money market funds25,135 — — 25,135 
Commercial paper74,967 — — 74,967 
Total cash and cash equivalents$285,046 $— $— $285,046 
Short-term investments:
Bank time deposits$745 $— $— $745 
Total short-term investments$745 $— $— $745 

January 31, 2022
(in thousands)Cost BasisGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Cash and cash equivalents:
Cash and bank time deposits$201,769 $— $— $201,769 
Money market funds127,041 — — 127,041 
Commercial paper29,995 — — 29,995 
Total cash and cash equivalents$358,805 $— $— $358,805 
Short-term investments:
Bank time deposits$765 $— $— $765 
Total short-term investments$765 $— $— $765 

Bank time deposits which are reported within short-term investments consist of deposits held outside of the United States with maturities of greater than 90 days, or without specified maturity dates which we intend to hold for periods in excess of 90 days. All other bank deposits are included within cash and cash equivalents.
During the three months ended April 30, 2022 and 2021, proceeds from maturities and sales of short-term investments were $0.3 million and $45.6 million, respectively.