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Income Taxes - Schedule of Effective Income Tax Rate Varied from Statutory Federal Income Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income tax provision at statutory rate	$ 1,213		$ 2,596
State income taxes, net of federal income tax benefit	201		437
Tax credits	164		(819)
Stock-based compensation	(223)		(2,902)
Uncertain tax positions	22		1,211
Valuation allowance	(1,186)		1,227
Other, net	(380)		(633)
Income tax (benefit) expense	$ (189)	$ 53	$ 1,117	$ (134,603)
Federal statutory rate	21.00%		21.00%	21.00%
State income taxes, net of federal income tax benefit, percent	3.50%		3.50%
Tax credits, percent	2.80%		(6.60%)
Stock-based compensation	(3.90%)		(23.50%)
Uncertain tax positions	0.40%		9.80%
Valuation allowance, percent	(20.50%)		9.90%
Other, net, percent	(6.60%)		(5.10%)
Income tax (benefit) expense	(3.30%)		9.00%	14.00%

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Percentage 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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credit.

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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