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Available-for-sale securities - Summary of Maturities of Available-for-sale Securities (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Jan. 29, 2023
Fair Value
Within 1 year	$ 12,803
After 1 year through 5 years	1,502
Total available-for-sale securities	14,305	$ 13,995
Amortized Cost
Within 1 year	13,975
After 1 year through 5 years	2,003
Total available-for-sale securities	$ 15,978	$ 15,635

X

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Fair value 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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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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