Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans - 2015 Long-Term Stock Incentive Plan (Details)

v3.20.2
Benefit Plans - 2015 Long-Term Stock Incentive Plan (Details)
shares in Millions
9 Months Ended
Sep. 30, 2020
shares
Performance-based Share Awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
2015 Long-Term Stock Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Restricted stock conversion to common stock 1
Common stock available for future grants (in shares) 142
2015 Long-Term Stock Incentive Plan | Employees and Non Employee Stock Option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock option expiration period 10 years
2015 Long-Term Stock Incentive Plan | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
2015 Long-Term Stock Incentive Plan | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 4 years