Annual report pursuant to Section 13 and 15(d)

Business Combination (Details)

v3.21.1
Business Combination (Details) - USD ($)
 12 Months Ended
Dec. 21, 2020
Aug. 17, 2020
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Exchange ratio 1.239434862      
Shares authorized     510,000,000  
Common stock, shares authorized     500,000,000 482,967,000
Common stock, par value     $ 0.0001 $ 0.0001
Preferred stock, shares authorized     10,000,000 0
Preferred stock, par value     $ 0.0001 $ 0.0001
Stock Issued During Period, Value, New Issues     $ 607,136,000  
Goodwill $ 0      
Intangible assets $ 0      
HCAC        
Business Acquisition [Line Items]        
Exchange ratio 1.239434862      
Shares authorized 510,000,000      
Common stock, shares authorized 500,000,000      
Common stock, par value $ 0.0001      
Preferred stock, shares authorized 10,000,000      
Preferred stock, par value $ 0.0001      
Number of shares issued or issuable 166,155,697      
Goodwill $ 0      
Intangible assets $ 0      
Hennessy Capital Acquisition Corp. IV H C A C [Member]        
Business Acquisition [Line Items]        
Stock Issued During Period, Shares, New Issues   32,325,000    
Share Price   $ 10.00    
Stock Issued During Period, Value, New Issues   $ 323,300,000