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Leases - Additional Information (Details)
$ in Millions
 12 Months Ended
Jan. 31, 2026
USD ($)
Lease
Jan. 31, 2025
Lessee Lease Description [Line Items]    
Sublease expiration year 2029  
Undiscounted future payments | $ $ 11.4  
Operating lease term 10 years  
Operating lease not yet commenced, description As of January 31, 2026, we had one operating lease for an office space that has not yet commenced.  
Operating leases, not yet commenced | Lease 1  
Weighted average remaining lease term, Operating leases (in years) 5 years 4 months 17 days 0 years
Weighted average discount rate, Operating leases 6.01% 6.03%
Minimum    
Lessee Lease Description [Line Items]    
Operating lease expiration year 2028  
Total lease term of sublease arrangement 24 months  
Maximum    
Lessee Lease Description [Line Items]    
Operating lease expiration year 2037  
Total lease term of sublease arrangement 39 months