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Fair Value Measurements - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sep. 09, 2021
Aug. 24, 2021
Jan. 08, 2021
Sep. 25, 2020
Dec. 31, 2017
Nov. 30, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                
Exercise price of warrants (in dollars per share)     $ 0.10       $ 3.45 $ 2.61
Warrants outstanding $ 0 $ 97,782,000            
Warrants outstanding (in shares) 0       38,533,271      
Private Placement Warrants                
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                
Warrants outstanding       $ 0        
Warrants outstanding (in shares)       0        
Level 3                
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                
Estimated fair value of convertible securities $ 0 949,600,000            
Financial asset or liabilities transfer in and out 0 0            
Level 3 | Seek Convertible Note                
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                
Estimated fair value of convertible securities           $ 20,000,000    
Estimated fair value and carrying value of convertible securities $ 22,000,000 $ 20,400,000