Fair Value Measurements - Fair Value Measurements on a Recurring Basis (Details) - USD ($) $ in Thousands	Oct. 31, 2022	Jan. 31, 2022
Short-term investments:
Short-term investments	$ 218,341	$ 101,882
U.S. government securities
Short-term investments:
Short-term investments	52,025	17,927
Corporate bonds
Short-term investments:
Short-term investments	51,459	21,176
Commercial paper
Short-term investments:
Short-term investments	100,908	55,234
Supranational bonds
Short-term investments:
Short-term investments	9,967	3,503
Foreign government securities
Short-term investments:
Short-term investments	3,982	4,042
Recurring
Short-term investments:
Short-term investments	218,341	101,882
Liabilities:
Contingent consideration	3,000
Total liabilities	5,695
Recurring \| Money market funds
Cash equivalents:
Cash equivalents	162,503	92,668
Recurring \| U.S. government securities
Short-term investments:
Short-term investments	52,025	17,927
Recurring \| Corporate bonds
Short-term investments:
Short-term investments	51,459	21,176
Recurring \| Commercial paper
Short-term investments:
Short-term investments	100,908	55,234
Recurring \| Supranational bonds
Short-term investments:
Short-term investments	3,982	3,503
Recurring \| Foreign government securities
Short-term investments:
Short-term investments	9,967	4,042
Recurring \| Warrant liability
Liabilities:
Warrant liability	2,695
Recurring \| Level 1
Short-term investments:
Short-term investments	0	0
Liabilities:
Contingent consideration	0
Total liabilities	0
Recurring \| Level 1 \| Money market funds
Cash equivalents:
Cash equivalents	162,503	92,668
Recurring \| Level 1 \| U.S. government securities
Short-term investments:
Short-term investments	0	0
Recurring \| Level 1 \| Corporate bonds
Short-term investments:
Short-term investments	0	0
Recurring \| Level 1 \| Commercial paper
Short-term investments:
Short-term investments	0	0
Recurring \| Level 1 \| Supranational bonds
Short-term investments:
Short-term investments	0	0
Recurring \| Level 1 \| Foreign government securities
Short-term investments:
Short-term investments	0	0
Recurring \| Level 1 \| Warrant liability
Liabilities:
Warrant liability	0
Recurring \| Level 2
Short-term investments:
Short-term investments	218,341	101,882
Liabilities:
Contingent consideration	0
Total liabilities	0
Recurring \| Level 2 \| Money market funds
Cash equivalents:
Cash equivalents	0	0
Recurring \| Level 2 \| U.S. government securities
Short-term investments:
Short-term investments	52,025	17,927
Recurring \| Level 2 \| Corporate bonds
Short-term investments:
Short-term investments	51,459	21,176
Recurring \| Level 2 \| Commercial paper
Short-term investments:
Short-term investments	100,908	55,234
Recurring \| Level 2 \| Supranational bonds
Short-term investments:
Short-term investments	3,982	3,503
Recurring \| Level 2 \| Foreign government securities
Short-term investments:
Short-term investments	9,967	4,042
Recurring \| Level 2 \| Warrant liability
Liabilities:
Warrant liability	0
Recurring \| Level 3
Short-term investments:
Short-term investments	0	0
Liabilities:
Contingent consideration	3,000
Total liabilities	5,695
Recurring \| Level 3 \| Money market funds
Cash equivalents:
Cash equivalents	0	0
Recurring \| Level 3 \| U.S. government securities
Short-term investments:
Short-term investments	0	0
Recurring \| Level 3 \| Corporate bonds
Short-term investments:
Short-term investments	0	0
Recurring \| Level 3 \| Commercial paper
Short-term investments:
Short-term investments	0	0
Recurring \| Level 3 \| Supranational bonds
Short-term investments:
Short-term investments	0	0
Recurring \| Level 3 \| Foreign government securities
Short-term investments:
Short-term investments	0	$ 0
Recurring \| Level 3 \| Warrant liability
Liabilities:
Warrant liability	$ 2,695

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