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Share-Based Compensation - Aggregated Information Regarding RSUs and RSAs Granted (Detail) - Restricted Stock Award Preferred Stock Unit And Restricted Stock Unit [Member] - $ / shares
 12 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Beginning balance, Outstanding Restricted Stock Units and Restricted Stock Awards 300,705 274,927 220,980
Granted, Restricted Stock Units and Restricted Stock Awards 96,040 157,643 141,371
Vested, Restricted Stock Units and Restricted Stock Awards (96,987) (116,288) (85,324)
Forfeited, Restricted Stock Units and Restricted Stock Awards (45,981) (15,577) (2,100)
Ending balance, Outstanding Restricted Stock Units and Restricted Stock Awards 253,777 300,705 274,927
Beginning balance, Weighted Average Grant Date Fair Value $ 12.90 $ 12.82 $ 13.23
Granted, Weighted Average Grant Date Fair Value 16.93 12.64 12.7
Vested, Weighted Average Grant Date Fair Value 13.95 12.29 13.45
Forfeited, Weighted Average Grant Date Fair Value 12.64 13.37 13.25
Ending balance, Weighted Average Grant Date Fair Value $ 14.07 $ 12.90 $ 12.82