Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Narrative (Details)

v3.20.2
Share-Based Compensation - Narrative (Details)
shares in Millions
9 Months Ended
Sep. 30, 2020
shares
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share Based Compensation Arrangement By Share Based Payment Award, Award Vesting Period, Vests Ratably Over Service Period 3 years
Performance Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award Vesting Period, Cliff Vesting 3 years
Performance Units [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of Target Amount Earned Upon Vesting If Threshold Performance is Met 0.00%
Performance Units [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of Target Amount Earned Upon Vesting If Threshold Performance is Met 300.00%
2011 Incentive Plan [Member] | Common Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Units Granted 0.2
2011 Incentive Plan and 2020 Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Units Granted 1.3
2011 Incentive Plan and 2020 Incentive Plan [Member] | Performance Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Units Granted 0.3