Share-Based Compensation - Summary of Restricted Stock Awards and Performance-based Restricted Stock Unit Activity (Details)	3 Months Ended
	Apr. 30, 2022 $ / shares shares
Restricted Stock Awards
Number of Units/ Shares
Unvested, beginning of period (in shares) | shares	5,140,240
Granted (in shares) | shares	2,344,218
Vested (in shares) | shares	(2,078,875)
Forfeited (in shares) | shares	(133,428)
Unvested, end of period (in shares) | shares	5,272,155
Weighted Average Grant Date Fair Value
Unvested, beginning of period (in dollars per share) | $ / shares	$ 3.18
Granted (in dollars per share) | $ / shares	4.74
Vested (in dollars per share) | $ / shares	3.04
Forfeited (in dollars per share) | $ / shares	3.47
Unvested, end of period (in dollars per share) | $ / shares	$ 3.92
Restricted Stock Units (RSUs)
Number of Units/ Shares
Unvested, beginning of period (in shares) | shares	647,350
Granted (in shares) | shares	47,468
Vested (in shares) | shares	(250,000)
Unvested, end of period (in shares) | shares	444,818
Weighted Average Grant Date Fair Value
Unvested, beginning of period (in dollars per share) | $ / shares	$ 2.38
Granted (in dollars per share) | $ / shares	4.74
Vested (in dollars per share) | $ / shares	2.56
Unvested, end of period (in dollars per share) | $ / shares	$ 2.54
Performance-Based Restricted Stock Units
Number of Units/ Shares
Unvested, beginning of period (in shares) | shares	3,734,207
Granted (in shares) | shares	1,082,050
Vested (in shares) | shares	(1,697,130)
Forfeited (in shares) | shares	(389,687)
Unvested, end of period (in shares) | shares	2,729,440
Weighted Average Grant Date Fair Value
Unvested, beginning of period (in dollars per share) | $ / shares	$ 2.24
Granted (in dollars per share) | $ / shares	3.85
Vested (in dollars per share) | $ / shares	1.16
Forfeited (in dollars per share) | $ / shares	2.83
Unvested, end of period (in dollars per share) | $ / shares	$ 3.46