Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Reconciliation [Line Items]
Income tax provision at federal statutory rate (21%)	$ (123,429)	$ (28,642)	$ (76,385)
Interest on convertible securities	0	6,537	3,505
Interest on convertible securities discount	2,867	4,423	3,257
Debt issuance cost related to convertible securities	0	0	76
Derivative liability related to convertible securities	0	(19,688)	29,098
Meals and entertainment	26	13	210
Health insurance industry fee	0	2,715	0
Stock based compensation	(5,665)	350	0
Other, net	(365)	(1,116)	0
Valuation allowance	112,661	18,585	39,643
Provision for income taxes	0	0	0
Warrants
Income Tax Reconciliation [Line Items]
Warrant expense	$ 13,905	$ 16,823	$ 596

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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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