Income Taxes - Schedule of Significant Components of Company's Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating loss carryforwards	$ 133,384	$ 118,432
Accruals and reserves	4,485	4,782
Operating lease liabilities	65,177	66,436
Other deferred tax assets	15,987	10,154
Stock-based compensation	18,346	18,034
Research credit	70,404	63,416
Total deferred tax assets	307,783	281,254
Less valuation allowance	(227,615)	(198,279)
Net deferred tax assets	80,168	82,975
Deferred tax liabilities:
Depreciation	(38,725)	(41,206)
Operating lease assets	(42,058)	(42,678)
Intangible assets	(4)	(18)
Other deferred tax liabilities	0	(209)
Total deferred tax liabilities	(80,787)	(84,111)
Long term deferred taxes, liabilities	$ (619)	$ (1,136)