Stock-Based Compensation - Stock Option Activity (Details)	3 Months Ended
	Apr. 30, 2022 $ / shares shares
Number of Shares
Outstanding, beginning of period (in shares) | shares	2,629,109
Granted (in shares) | shares	0
Expired or forfeited (in shares) | shares	(8,812)
Exercised (in shares) | shares	(156,975)
Outstanding, end of period (in shares) | shares	2,463,322
Exercisable, end of period (in shares) | shares	2,197,707
Fully vested or expected to vest, end of period (in shares) | shares	2,436,761
Weighted Average Exercise Price
Outstanding, beginning of period (in USD per share) | $ / shares	$ 6.72
Granted (in USD per share) | $ / shares	0
Expired or forfeited (in USD per share) | $ / shares	14.34
Exercised (in USD per share) | $ / shares	4.95
Outstanding, end of period (in USD per share) | $ / shares	6.80
Exercisable, end of period (in USD per share) | $ / shares	5.78
Fully vested or expected to vest, end of period (in USD per share) | $ / shares	$ 6.71