Stock Incentive Plan - Summary of Status of Outstanding RSU's (Details)	9 Months Ended
	Oct. 31, 2022 $ / shares shares
Share-Based Payment Arrangement [Abstract]
Number of Shares, Beginning Balance | shares	10,310,000
Number of Shares, Granted | shares	9,681,000
Number of Shares, Vested | shares	(7,492,000)
Number of Shares, Forfeited or expired | shares	(5,463,000)
Number of Shares, Ending Balance | shares	7,036,000
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares	$ 9.57
Weighted Average Grant Date Fair Value, Granted | $ / shares	3.36
Weighted Average Grant Date Fair Value, Vested | $ / shares	8.86
Weighted Average Grant Date Fair Value, Forfeited or expired | $ / shares	3.41
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares	$ 5.00