Summary of Significant Accounting Policies - Leases (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2024 |
Jan. 31, 2026 |
Jan. 31, 2025 |
|
| Accounting Policies [Abstract] | |||
| Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued and other current liabilities | Accrued and other current liabilities | |
| Impairment of operating lease right-of-use assets | $ 2.7 |