Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 1,013	$ 566	$ 534
Gross increases for tax positions of current year	1,027	447	32
Gross increases for tax positions of prior year	157	0	0
Balance at end of year	$ 2,197	$ 1,013	$ 566