Cash, Cash Equivalents and Short-Term Investments - Schedule of Short Term Investments by Contractual Maturity (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Amortized cost
Due within 1 year	$ 375,663	$ 50,031
Due between 1 year to 3 years	146,289	0
Total	521,952	50,031
Fair Value
Due within 1 year	373,816	50,031
Due between 1 year to 3 years	145,617	0
Total	$ 519,433	$ 50,031

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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