Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Leases [Abstract]
Cash paid for operating leases included in operating cash flows	$ 950	$ 947	$ 2,937	$ 2,940
Supplemental non-cash information related to lease liabilities arising from obtaining right-of-use assets	24	51	91	171
Leased assets obtained in exchange for operating lease liabilities arising from lease modifications	$ 141	$ 0	$ 3,476	$ 0