Liquidity and Capital Resources (Details) - USD ($) $ / shares in Units, $ in Thousands	Nov. 11, 2022	Jul. 21, 2021	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Cash			$ 31,766	$ 505,091	$ 666,061	$ 1,124
Accumulated deficit			3,339,180	2,907,644
Gross proceeds		$ 990,983
Related Party Notes – China, Due On Demand At 18.00% | Affiliated Entity
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Unpaid Principal Balance			8,451	9,411
Notes payable
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Unpaid Principal Balance			$ 56,207	$ 164,689
Class A Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of shares purchased (in shares)		76,140,000
Standby Equity Purchase Agreement | Subsequent Event
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Commitment discount	3.00%
Commitment amount after option to increase	$ 350,000
Standby Equity Purchase Agreement | Subsequent Event | SPA Notes | Notes payable | Debt Instrument, Redemption, Period One
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Total commitments	40,000
Standby Equity Purchase Agreement | Subsequent Event | SPA Notes | Notes payable | Debt Instrument, Redemption, Period Two
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Total commitments	20,000
Standby Equity Purchase Agreement | Subsequent Event | SPA Notes | Notes payable | Debt Instrument, Redemption, Period Three
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Total commitments	20,000
Standby Equity Purchase Agreement | Subsequent Event | SPA Notes | Notes payable | Debt Instrument, Redemption, Period Four
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Total commitments	20,000
Standby Equity Purchase Agreement | Subsequent Event | Class A Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Commitment amount	$ 200,000
Number of shares purchased (in shares)	789,016
Exchange cap (in dollars per share)	$ 0.62
Standby Equity Purchase Agreement | Subsequent Event | Class A Common Stock | Yorkville And Affiliates
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percent of outstanding shares	19.99%
Percent of voting power	9.99%