Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022
Deferred tax assets:
Net operating loss carryforwards	$ 387,822	$ 377,285
Accruals and reserves	15,072	9,429
Stock-based compensation	25,665	37,751
Deferred revenue	9,477	4,722
Research and development	67,103	15,372
Foreign exchange	0	4,478
Depreciation and amortization	587	0
Excessive borrowing	1,668	1,370
Other	7,406	1,170
Total deferred tax assets, gross	514,800	451,577
Less: valuation allowance	(476,589)	(422,262)
Total deferred tax assets, net of valuation allowance	38,211	29,315
Deferred tax liabilities:
Intangible assets	(3,312)	(579)
Foreign exchange	(97)	0
Depreciation and amortization	0	(1,446)
Commissions	(29,245)	(16,695)
Other	0	(1)
Total deferred tax liabilities	(32,654)	(18,721)
Net deferred tax assets	5,557	10,594
Deferred tax assets	5,895	10,628
Net deferred tax liabilities (included in other liabilities, non-current)	$ (338)	$ (34)