Balance Sheet Components - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Balance Sheet Related Disclosures [Line Items]
Total property and equipment, gross	$ 160,433	$ 149,916
Less: accumulated depreciation and amortization	(120,088)	(102,158)
Total property and equipment, net	40,345	47,758
Leasehold improvements
Balance Sheet Related Disclosures [Line Items]
Total property and equipment, gross	86,691	83,139
Computer equipment, software, and other
Balance Sheet Related Disclosures [Line Items]
Total property and equipment, gross	55,444	50,844
Furniture and fixtures
Balance Sheet Related Disclosures [Line Items]
Total property and equipment, gross	14,094	13,834
Construction in progress
Balance Sheet Related Disclosures [Line Items]
Total property and equipment, gross	$ 4,204	$ 2,099

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant