Share-Based Compensation - Summary of Options Outstanding (Detail) - $ / shares	6 Months Ended
Jul. 31, 2025	Jan. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares outstanding, total	319,049	421,699
Outstanding, Weighted Average Exercise Price	$ 15.57
Outstanding Remaining Contractual Life	2 years 3 months 18 days
Number of shares exercisable, total	294,049
Exercisable, Weighted Average Exercise Price	$ 15.95
Exercisable Remaining Contractual Life	1 year 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	127,974
Outstanding, Weighted Average Exercise Price	$ 12.92
Outstanding Remaining Contractual Life	3 years 2 months 12 days
Exercisable, Number of shares	102,974
Exercisable, Weighted Average Exercise Price	$ 13.36
Exercisable Remaining Contractual Life	1 year 7 months 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	191,075
Outstanding, Weighted Average Exercise Price	$ 17.35
Outstanding Remaining Contractual Life	1 year 8 months 12 days
Exercisable, Number of shares	191,075
Exercisable, Weighted Average Exercise Price	$ 17.35
Exercisable Remaining Contractual Life	1 year 8 months 12 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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