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Share-Based Compensation - Summary of Options Outstanding (Detail) - $ / shares	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding, total	523,349	547,199	598,043	622,083
Outstanding, Weighted Average Exercise Price	$ 15.26
Outstanding Remaining Contractual Life	2 years 8 months 12 days
Number of shares exercisable, total	523,349
Exercisable, Weighted Average Exercise Price	$ 15.26
Exercisable Remaining Contractual Life	2 years 8 months 12 days
$10.01 - $15.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Range of Exercise prices, Lower Limit	$ 10.01
Outstanding Range of Exercise prices, Upper Limit	$ 15
Outstanding, Number of shares	311,874
Outstanding, Weighted Average Exercise Price	$ 13.78
Outstanding Remaining Contractual Life	2 years
Exercisable, Number of shares	311,874
Exercisable, Weighted Average Exercise Price	$ 13.78
Exercisable Remaining Contractual Life	2 years
$15.01 - $20.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Range of Exercise prices, Lower Limit	$ 15.01
Outstanding Range of Exercise prices, Upper Limit	$ 20
Outstanding, Number of shares	211,475
Outstanding, Weighted Average Exercise Price	$ 17.44
Outstanding Remaining Contractual Life	3 years 9 months 18 days
Exercisable, Number of shares	211,475
Exercisable, Weighted Average Exercise Price	$ 17.44
Exercisable Remaining Contractual Life	3 years 9 months 18 days