Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Income Tax Disclosure [Abstract]
Valuation allowance	$ 381,956	$ 340,951
Valuation allowance, deferred tax asset, increase (decrease), amount	41,000	$ 49,200
Deferred tax assets, operating loss carryforwards, domestic	772,400
Deferred tax assets, operating loss carryforwards, state and local	447,900
Deferred tax assets, operating loss carryforwards, foreign	93,300
Deferred tax assets, operating loss carryforwards, subject to expiration	9,900
Deferred tax assets, operating loss carryforwards, not subject to expiration	$ 4,300