Short-Term Investments - Schedule of Short-Term Investments (Details) - USD ($)	3 Months Ended	9 Months Ended
	Oct. 31, 2022	Oct. 31, 2022	Jan. 31, 2022
Summary of Investment Holdings [Line Items]
Amortized Cost	$ 207,498,000	$ 207,498,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(1,389,000)
Fair Value	208,887,000	208,887,000	$ 0
U.S. Treasury Securities
Summary of Investment Holdings [Line Items]
Amortized Cost	207,498,000	207,498,000
Gross Unrealized Gains		0
Gross Unrealized Losses	(100,000)	(1,389,000)
Fair Value	$ 208,887,000	$ 208,887,000