Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Unrecognized Tax Benefits [Roll Forward]
Balance at beginning of year	$ 2,197	$ 1,013	$ 566
Gross increases for tax positions of current year	1,540	1,027	447
Gross increases for tax positions of prior year	263	157	0
Balance at end of year	$ 4,000	$ 2,197	$ 1,013