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Income Taxes - Schedule of Deferred Tax Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 111,741 | $ 74,023
Accruals, reserve and other | 2,255 | 1,588
Tax credit carryforwards | 16,838 | 11,727
Stock-based compensation | 9,741 | 5,975
Intangibles | 1,613 | 18
Lease obligation | 24,224 | 6,630
Capital losses | 9,850 | 1
Other | 17 | 1
Total deferred tax assets before valuation allowance | 176,279 | 99,963
Valuation allowance | (154,672) | (94,645)
Total deferred tax assets | 21,607 | 5,318
Deferred tax liabilities: |  |
Right-of-use assets | (20,227) | (4,183)
Property and equipment | (1,380) | (1,135)
Total deferred tax liabilities | (21,607) | (5,318)
Net deferred tax assets | $ 0 | $ 0

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