Stock-Based Compensation Plans - Summary of CRSU Plan Activity (Details) - shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jul. 31, 2026 |
Jan. 31, 2026 |
|
| Stock-Based Compensation Plans | ||
| Number of Units Outstanding, CRSU (in shares),Beginning | 12,957 | |
| Weighted-Average Remaining Contractual Life, CRSU (years) | 2 years 3 months 18 days | 1 year 8 months 12 days |
| Number of Units Granted, CRSU (in shares) | 15,394 | |
| Number of Units Vested and settled in cash, CRSU (in shares) | (4,111) | |
| Number of Units Outstanding, CRSU (in shares), Ending | 24,240 | 12,957 |
| Non-vested, CRSU (in shares) | 24,240 | |
| Non-vested, Weighted-Average Remaining Contractual Life, CRSU (years) | 2 years 3 months 18 days |