Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jan. 31, 2025
Leases [Abstract]
Other assets, noncurrent (operating lease ROU assets)	$ 36,206	$ 25,906
Accrued expenses and other current liabilities (operating lease liabilities, current)	12,423	10,087
Other liabilities, noncurrent (operating lease liabilities, noncurrent)	26,857	18,382
Total operating lease liabilities	$ 39,280	$ 28,469