Cash, Cash Equivalents and Short-Term Investments - Schedule of Short Term Investments by Contractual Maturity (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Jan. 31, 2023
Amortized cost
Due within 1 year	$ 504,757	$ 480,943
Due between 1 year to 2 years	120,305	165,161
Total	625,062	646,104
Fair Value
Due within 1 year	501,963	477,520
Due between 1 year to 2 years	119,743	163,729
Total	$ 621,706	$ 641,249

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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