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Stock-Based Compensation Plans - Summary of Nonvested Share (Details) - $ / shares
 12 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) 278,845 356,014 271,025
Granted, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) $ 26.19 $ 18.47 $ 16.77
Shareholder-approved stock options plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Options Outstanding (in shares), Beginning 488,821 462,853  
Weighted- Average Grant-Date Fair Value per Share (in dollars per share), Beginning $ 16.11 $ 13.16  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) 278,845 356,014  
Granted, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) $ 26.19 $ 18.47  
Vested (in shares) (303,628) (313,186)  
Vested, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) $ 17.74 $ 13.72  
Forfeited (in shares) (17,485) (16,860)  
Forfeited, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) $ 18.29 $ 3.71  
Stock Options Outstanding (in shares), Ending 446,553 488,821 462,853
Weighted- Average Grant-Date Fair Value per Share (in dollars per share), Ending $ 20.67 $ 16.11 $ 13.16