Fair Value Measurements - Assets and Liabilities (Details) - USD ($)	Oct. 31, 2022	Jan. 31, 2022
Assets
Short-term investments	$ 208,887,000	$ 0
U.S. Treasury Securities
Assets
Short-term investments	208,887,000
Fair Value, Recurring
Assets
Total financial assets	301,362,000	254,716,000
Liabilities
Common stock warrant liabilities (Private Placement)		25,000
Contingent earnout liability recognized upon acquisition of ViriCiti (ViriCiti Earnout)	5,337,000	5,993,000
Total financial liabilities	5,337,000	6,018,000
Fair Value, Recurring \| U.S. Treasury Securities
Assets
Short-term investments	208,887,000
Fair Value, Recurring \| Money market funds
Assets
Short-term investments	92,475,000	254,716,000
Fair Value, Recurring \| Level 1
Assets
Total financial assets	92,475,000	254,716,000
Liabilities
Common stock warrant liabilities (Private Placement)		0
Contingent earnout liability recognized upon acquisition of ViriCiti (ViriCiti Earnout)	0	0
Total financial liabilities	0	0
Fair Value, Recurring \| Level 1 \| U.S. Treasury Securities
Assets
Short-term investments	0
Fair Value, Recurring \| Level 1 \| Money market funds
Assets
Short-term investments	92,475,000	254,716,000
Fair Value, Recurring \| Level 2
Assets
Total financial assets	208,887,000	0
Liabilities
Common stock warrant liabilities (Private Placement)		0
Contingent earnout liability recognized upon acquisition of ViriCiti (ViriCiti Earnout)	0	0
Total financial liabilities	0	0
Fair Value, Recurring \| Level 2 \| U.S. Treasury Securities
Assets
Short-term investments	208,887,000
Fair Value, Recurring \| Level 2 \| Money market funds
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 3
Assets
Total financial assets	0	0
Liabilities
Common stock warrant liabilities (Private Placement)		25,000
Contingent earnout liability recognized upon acquisition of ViriCiti (ViriCiti Earnout)	5,337,000	5,993,000
Total financial liabilities	5,337,000	6,018,000
Fair Value, Recurring \| Level 3 \| U.S. Treasury Securities
Assets
Short-term investments	0
Fair Value, Recurring \| Level 3 \| Money market funds
Assets
Short-term investments	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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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), classified as current.

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