Income Taxes - Schedule of effective income tax rate reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Loss before income taxes	$ (90,094)	$ (136,392)
United States statutory income tax rate	21.00%	21.00%
Income tax (benefit) at United States statutory income tax rate	$ (18,920)	$ (28,642)
Change in valuation allowance	14,495	(146,794)
Recapitalization transaction	0	157,855
Cancellation of debt income	0	15,360
State tax provision, net of federal benefit	0	1,263
Warrant liability fair value adjustment	3,030	790
Other	(135)	168
Income Tax Benefit	$ (1,530)	$ 0

Effective Income Tax Rate Reconciliation, Cancellation of Debt Income, Amount

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Effective Income Tax Rate Reconciliation, Recapitalization Transaction, Amount

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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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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