Income Taxes - Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Federal tax at statutory rate	$ (50,405)	$ (22,906)	$ 28,084
State income taxes, net of federal tax benefit	107	(448)	(248)
Stock-based compensation	2,306	(4,490)	(236,726)
Research and development credit	(6,288)	(6,333)	(19,103)
PPP loan forgiveness (CARES Act)	0	0	1,110
Change in valuation allowance	38,189	26,263	222,230
Tax return to tax provision adjustment	(878)	309	(34)
Section 162(m) limitation	16,586	6,494	2,653
Other	490	702	322
Total (benefit) provision for income taxes	$ 107	$ (409)	$ (1,712)

Effective Income Tax Rate Reconciliation, CARES ACT, PPP Loan Forgiveness, Amount

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Effective Income Tax Rate Reconciliation, Nondeductible Expense, Section 162(m) Limitation, Amount

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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