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Stock-Based Compensation Plans - Summary of CRSU Plan Activity (Details) - shares
 6 Months Ended 12 Months Ended
Jul. 31, 2023
Jan. 31, 2023
Stock-Based Compensation Plans    
Number of Units Outstanding, CRSU (in shares),Beginning 14,583  
Weighted-Average Remaining Contractual Life, CRSU (years) 2 years 1 year 4 months 24 days
Number of Units Granted, CRSU (in shares) 7,879  
Number of Units Vested and settled in cash, CRSU (in shares) (6,129)  
Number of Units Outstanding, CRSU (in shares), Ending 16,333 14,583
Non-vested, CRSU (in shares) 16,333  
Non-vested, Weighted-Average Remaining Contractual Life, CRSU (years) 2 years