Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 27, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Net operating loss carryforwards		$ 164,486	$ 147,004
Deferred tax assets operating loss carryforwards without expire date		297,000
Research and development credit carryforwards		39,817	37,183
Uncertain Tax Positions Adjustment		0	$ 0
Increase (decrease) in deferred tax assets		14,600
Covid 19
Income Taxes [Line Items]
Relaxation of taxable income, percentage	30.00%
Relaxation of Adjusted taxable income, percentage	50.00%
Covid 19 | Qualified Improvement Property
Income Taxes [Line Items]
Eligibility for bonus depreciation, percentage	100.00%
Estimated useful life	15
Domestic Tax Authority
Income Taxes [Line Items]
Net operating loss carryforwards		$ 639,000
Net operating loss carryforwards, expiration date		2037
Federal and State
Income Taxes [Line Items]
Deferred tax assets operating loss carryforwards with expire date		$ 342,000
Net operating loss carryforwards, expiration date		2041
Federal and State | Research Tax Credit Carryforward
Income Taxes [Line Items]
Research and development credit carryforwards		$ 40,000
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards		$ 480,000