Equity Plans and Stock-based Compensation - Performance Restricted Stock Units Activity (Details) - Performance Shares	6 Months Ended
	Jul. 31, 2023 $ / shares shares
Number of Shares
Outstanding, beginning balance (in shares) | shares	2,147,366
Granted (in shares) | shares	60,892
Forfeited (in shares) | shares	(143,266)
Outstanding, ending balance (in shares) | shares	2,064,992
Weighted Average Grant Date Fair Value per Share
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 10.83
Granted (in dollars per share) | $ / shares	8.21
Forfeited (in dollars per share) | $ / shares	10.47
Outstanding, ending balance (in dollars per share) | $ / shares	$ 10.77