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CASH, CASH EQUIVALENTS, AND SHORT-TERM INVESTMENTS
 6 Months Ended
Jul. 31, 2022
Cash, Cash Equivalents, and Short-Term Investments [Abstract]  
CASH, CASH EQUIVALENTS, AND SHORT-TERM INVESTMENTS CASH, CASH EQUIVALENTS, AND SHORT-TERM INVESTMENTS
The following tables summarize our cash, cash equivalents, and short-term investments as of July 31, 2022 and January 31, 2022:

July 31, 2022
(in thousands) Cost BasisGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Cash and cash equivalents:
Cash and bank time deposits$143,442 $— $— $143,442 
Money market funds43,369 — — 43,369 
Commercial paper69,691 — — 69,691 
Total cash and cash equivalents$256,502 $— $— $256,502 
Short-term investments:
Bank time deposits$718 $— $— $718 
Total short-term investments$718 $— $— $718 

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 six months ended July 31, 2022 and 2021, proceeds from maturities and sales of short-term investments were $0.3 million and $45.6 million, respectively.