Income Taxes - Schedule of Significant Components of Company's Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 178,061	$ 133,384
Accruals and reserves	4,479	4,485
Operating lease liabilities	60,570	65,177
Other deferred tax assets	17,809	15,987
Stock-based compensation	20,553	18,346
Research credit	74,012	70,404
Total deferred tax assets	355,484	307,783
Less valuation allowance	(282,739)	(227,615)
Net deferred tax assets	72,745	80,168
Deferred tax liabilities:
Depreciation	(34,078)	(38,725)
Operating lease assets	(38,845)	(42,058)
Intangible assets	0	(4)
Other deferred tax liabilities	(36)	0
Total deferred tax liabilities	(72,959)	(80,787)
Long term deferred taxes, liabilities	$ (214)	$ (619)