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Stockholders' Equity - Restricted Stock Unit Activity (Details) - Restricted Stock Units (RSUs) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Beginning of period, nonvested (in shares) 3,818  
Granted (in shares) 6,416  
Vested (in shares) (1,521)  
Forfeited (in shares) (1,308)  
End of period, nonvested (in shares) 7,405 3,818
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]    
Beginning of period, nonvested weighted average grant date fair value (in dollars per share) $ 18.07  
Granted (in dollars per share) 10.47  
Vested (in dollars per share) 16.12  
Forfeited (in dollars per share) 15.65  
End of period, nonvested weighted average grant date fair value (in dollars per share) $ 12.27 $ 18.07
Fair value of shares vested under RSUs during period $ 17.7 $ 12.2
Unrecognized compensation cost $ 84.1  
Unrecognized compensation cost, period for recognition 2 years 10 months 24 days