Shareholders' Equity - Non-Vested Restricted Stock Units Activity (Details) shares in Thousands	6 Months Ended
	Jul. 31, 2021 $ / shares shares
Market Based Restricted Stock Units [Member]
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period | shares	60
Granted, shares | shares	77
Vested, shares | shares	0
Forfeited, shares | shares	0
Non-vested restricted stock shares outstanding at end of period | shares	137
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period, weighted average grant date fair value per share | $ / shares	$ 3.52
Granted, weighted average grant date fair value per share | $ / shares	8.72
Vested, weighted average grant date fair value per share | $ / shares	0
Forfeited, weighted average grant date fair value per share | $ / shares	0
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share | $ / shares	$ 5.46
Restricted Stock Units Time Based [Member]
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period | shares	736
Granted, shares | shares	812
Vested, shares | shares	(334)
Forfeited, shares | shares	(171)
Non-vested restricted stock shares outstanding at end of period | shares	1,043
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period, weighted average grant date fair value per share | $ / shares	$ 4.03
Granted, weighted average grant date fair value per share | $ / shares	9.05
Vested, weighted average grant date fair value per share | $ / shares	5.82
Forfeited, weighted average grant date fair value per share | $ / shares	9.78
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share | $ / shares	$ 5.82
Restricted Stock Units (RSUs) [Member]
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period | shares	942
Granted, shares | shares	889
Vested, shares | shares	(334)
Forfeited, shares | shares	(171)
Non-vested restricted stock shares outstanding at end of period | shares	1,326
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period, weighted average grant date fair value per share | $ / shares	$ 3.64
Granted, weighted average grant date fair value per share | $ / shares	9.02
Vested, weighted average grant date fair value per share | $ / shares	5.82
Forfeited, weighted average grant date fair value per share | $ / shares	9.78
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share | $ / shares	$ 5.33
Performance Based Units [ Member]
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period | shares	146
Non-vested restricted stock shares outstanding at end of period | shares	146
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]
Non-vested restricted stock shares outstanding at beginning of period, weighted average grant date fair value per share | $ / shares	$ 1.69
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share | $ / shares	$ 1.69