Liquidity and Capital Resources (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
Jul. 21, 2021	Mar. 31, 2022	Dec. 31, 2021
Liquidity and Capital Resources [Abstract]
Going concern		1 year	1 year
Going concern period		1 year	1 year
Accumulated deficit		$ 3,077,614	$ 2,907,644
Gross proceeds	$ 990,983
Principal amount		$ 9,451	9,411
Transaction costs	84,278
Liabilities	$ 139,557
Net proceeds			$ 767,148

Proceeds From Reverse Recapitalization Transaction, Gross

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

+ References

No definition available.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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No definition available.

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Term of the credit risk derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Paragraph 4K
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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income during the current period and current obligations not separately disclosed in the balance sheet (other liabilities, current).

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No definition available.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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