Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Income Tax Disclosure [Line Items]
Federal corporate tax rate	21.00%
Valuation allowance increase (decrease), amount	$ 51,200	$ (15,100)
Gross deferred tax liability	43,122	$ 65,796
ASU 2020-06
Income Tax Disclosure [Line Items]
Gross deferred tax liability	17,300
Foreign
Income Tax Disclosure [Line Items]
Net operating loss carry forwards	$ 313,000
Foreign | United Kingdom Tax Department
Income Tax Disclosure [Line Items]
Percentage of corporate income tax rate	25.00%	19.00%
Remeasured UK deferred tax assets benefit	$ 19,200
Federal
Income Tax Disclosure [Line Items]
Net operating loss carry forwards	700,200
Tax credit carry forward	$ 44,900
Operating loss carryforwards expiration year	2025
Research and development tax credit carryforwards expiration year	2025
Net operating loss carry forwards with indefinite expiration	$ 79,000
State
Income Tax Disclosure [Line Items]
Net operating loss carry forwards	571,200
Tax credit carry forward	$ 48,600
Operating loss carryforwards expiration year	2023