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Leases - Additional Information (Details)
$ in Millions
 9 Months Ended
Oct. 31, 2025
USD ($)
Lease
Lessee Lease Description [Line Items]  
Sublease expiration year 2029
Operating lease not yet commenced, description As of October 31, 2025, we had one operating lease for an office space that has not yet commenced.
Operating leases, not yet commenced | Lease 1
Undiscounted future payments | $ $ 11.1
Operating lease term 10 years
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