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Share-Based Compensation - Summary of Options Outstanding (Detail) - $ / shares	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding, total	421,699	523,349	547,199	598,043
Outstanding, Weighted Average Exercise Price	$ 15.52
Outstanding Remaining Contractual Life	1 year 9 months 18 days
Number of shares exercisable, total	421,699
Exercisable, Weighted Average Exercise Price	$ 15.52
Exercisable Remaining Contractual Life	1 year 9 months 18 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	215,224
Outstanding, Weighted Average Exercise Price	$ 13.70
Outstanding Remaining Contractual Life	1 year 1 month 6 days
Exercisable, Number of shares	215,224
Exercisable, Weighted Average Exercise Price	$ 13.70
Exercisable Remaining Contractual Life	1 year 1 month 6 days
$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	206,475
Outstanding, Weighted Average Exercise Price	$ 17.42
Outstanding Remaining Contractual Life	2 years 7 months 6 days
Exercisable, Number of shares	206,475
Exercisable, Weighted Average Exercise Price	$ 17.42
Exercisable Remaining Contractual Life	2 years 7 months 6 days