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Preferred and Common Stock- Global Employee Stock Purchase Plan (Details) - USD ($)
 12 Months Ended
Sep. 22, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]        
Net proceeds received   $ 0 $ 58,349,000 $ 4,510,000
Employee stock purchase plan contributions   $ 4,818,000 $ 0  
ESPP        
Class of Stock [Line Items]        
Maximum percent of eligible compensation available to contribute 15.00%      
Maximum employee annual contribution amount $ 25,000      
Purchase price of common stock, percent 85.00%      
Class B Common Stock | ESPP        
Class of Stock [Line Items]        
Shares reserved for future issuance (in shares) 25,000,000      
Shares issued (in shares)   104,716 0  
Net proceeds received   $ 3,846,000    
Shares purchased (in shares)   111,486    
Shares sold back (in shares)   6,770    
Share-based compensation tax withholding payment   $ 438,000