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Debt - Interest Expense (Details) - Convertible Debt - 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]
Contractual interest expense	$ 22	$ 46	$ 425	$ 139
Amortization of transaction costs	1,089	1,105	3,308	3,309
Total	$ 1,111	$ 1,151	$ 3,733	$ 3,448

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