XML 77 R67.htm IDEA: XBRL DOCUMENT v3.21.2
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares available for grant 8,505,303   8,505,303  
Shares granted     3,045,949  
Shares granted, weighted average grant date fair value     $ 11.16  
Four Zero One K Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Employer Discretionary Contribution Amount $ 1 $ 3 $ 1 $ 3
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted     3,045,949 2,390,345
Shares granted, weighted average grant date fair value     $ 11.16 $ 11.64
Compensation and benefits expense 7 7 $ 15 $ 16
Unrecognized compensation cost relating to unvested restricted stock 70   $ 70  
Unrecognized compensation cost relating to unvested restricted stock, recognition period (in years)     3 years 4 months 24 days  
Restricted Stock | Share-based Payment Arrangement, Tranche One        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted, vesting period     1 year 1 year
Restricted Stock | Share-based Payment Arrangement, Tranche Two        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted, vesting period     5 years 5 years
Performance-Based Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted     356,740  
Compensation and benefits expense 1 $ 1 $ 1 $ 1
Unrecognized compensation cost relating to unvested restricted stock $ 6   $ 6  
Unrecognized compensation cost relating to unvested restricted stock, recognition period (in years)     1 year 10 months 24 days