Income Taxes - Additional Information (Details) - USD ($)	Jan. 31, 2022	Jan. 31, 2021	Jul. 09, 2020	Apr. 24, 2017
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits which would impact the effective tax rate if recognized	$ 2,500,000
Unrecognized tax benefits	600,000	$ 0
Accrued interest and penalties		0
Federal
Operating Loss Carryforwards [Line Items]
Net operating losses	1,015,400,000	288,300,000
Net operating losses, not subject to expiration	1,006,100,000	279,000,000
Net operating losses, subject to expiration	9,300,000	9,300,000
Net operating losses, annual limitation			$ 29,000,000	$ 100,000
State
Operating Loss Carryforwards [Line Items]
Net operating losses	648,500,000	154,000,000
Foreign | Romania
Operating Loss Carryforwards [Line Items]
Net operating losses	531,400,000	317,000,000
Foreign | Japan
Operating Loss Carryforwards [Line Items]
Net operating losses	13,500,000	15,900,000
Foreign | United Kingdom
Operating Loss Carryforwards [Line Items]
Net operating losses	$ 139,200,000	$ 36,600,000