Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Debt Instrument [Line Items]
Total interest expense	$ 3,820	$ 2,606	$ 9,673	$ 6,467
Convertible Senior Notes | Convertible Notes
Debt Instrument [Line Items]
Contractual interest expense	3,048	2,305	8,298	5,804
Amortization of debt discount and issuance costs	405	301	1,008	663
2027 Revolving Credit Facility | Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Amortization of debt discount and issuance costs	205	0	205	0
Commitment fees	$ 162	$ 0	$ 162	$ 0