Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2021	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes Disclosure [Line Items]
Federal statutory income tax rate, percent			21.00%	21.00%
Income tax expense (benefit)			$ (125)	$ (2,815)
Increase in valuation allowance			15,500	37,900
Net operating loss carryforwards			67,675	$ 51,796
Ownership change plan description				In general, an ownership change, as defined by Section 382, results from transactions increasing the ownership of certain shareholders or public groups in the stock of a corporation by more than 50% over a three-year period
Unrecognized tax benefits			4,040	$ 797	$ 797
Impairment charges	$ 500	$ 700		$ 2,300
Intellectual Property
Income Taxes Disclosure [Line Items]
Unrecognized tax benefits			800
California Research And Development
Income Taxes Disclosure [Line Items]
Tax credit carryforward, amount			1,500
Federal and state research and development [Member]
Income Taxes Disclosure [Line Items]
Unrecognized tax benefits			3,200
Domestic Tax Authority
Income Taxes Disclosure [Line Items]
Operating loss carryforwards			271,600
Operating loss carryforwards, expiration date				Dec. 31, 2037
Net operating loss carryforwards			7,600
Operating Loss Carryforwards Indefinitely			264,000
Tax credit carryforward, amount			1,800
State
Income Taxes Disclosure [Line Items]
Operating loss carryforwards			143,500
Operating loss carryforwards, expiration date				Dec. 31, 2035
Foreign Tax Authority
Income Taxes Disclosure [Line Items]
Operating loss carryforwards			17,100
C O V I D19
Income Taxes Disclosure [Line Items]
Income tax expense (benefit)			100	$ 2,800
Impairment charges			$ 1,200