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Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Debt Instrument [Line Items]
Total interest expense	$ 6,600	$ 2,926	$ 13,211	$ 5,853
Convertible Senior Notes | Convertible Notes
Debt Instrument [Line Items]
Contractual interest expense	5,250	2,625	10,515	5,250
Amortization of debt discount and issuance costs	985	301	1,970	603
2027 Revolving Credit Facility | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Amortization of debt discount and issuance costs	212	0	423	0
Commitment fees	$ 153	$ 0	$ 303	$ 0

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