Marketable Securities - Narrative (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Marketable securities with contractual maturities of one year or more	$ 2,396	$ 19,523

Amount of investment in marketable security, classified as noncurrent.

No definition available.

Name:	us-gaap_MarketableSecuritiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant