Balance Sheet Components - Summary of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,674	$ 9,409
Less: Accumulated depreciation	(784)	(7,488)
Property and equipment, net	890	1,921
Computer Hardware and Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	852	2,114
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	822	1,786
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 0	$ 5,509

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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