Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 344,067	$ 387,822
Accruals and reserves	15,823	15,072
Stock-based compensation	11,888	25,665
Deferred revenue	25,942	9,477
Research and development	103,263	67,103
Depreciation and amortization	587	587
Excessive borrowing	0	1,668
Lease liabilities	11,563	0
Other	5,602	7,406
Total deferred tax assets, gross	518,735	514,800
Less: valuation allowance	(470,040)	(476,589)
Total deferred tax assets, net of valuation allowance	48,695	38,211
Deferred tax liabilities:
Intangible assets	(2,409)	(3,312)
Foreign exchange	(37)	(97)
Right-of-use assets	(8,957)	0
Commissions	(32,747)	(29,245)
Total deferred tax liabilities	(44,150)	(32,654)
Net deferred tax assets	4,545	5,557
Net deferred tax assets	4,678	5,895
Net deferred tax liabilities (included in other liabilities, non-current)	$ (133)	$ (338)