Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Schedule of Cash-Settleable RSUs Outstanding) (Details)

v3.20.4
Share-Based Compensation (Schedule of Cash-Settleable RSUs Outstanding) (Details) - Cash-settleable RSU awards
shares in Thousands
12 Months Ended
Dec. 31, 2020
shares
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs base units outstanding 196
Minimum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 50
Maximum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 454
Vesting in 2020  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs base units outstanding 35
Vesting in 2020 | Minimum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 0
Vesting in 2020 | Maximum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 70
Vesting in 2021  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs base units outstanding 111
Vesting in 2021 | Minimum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 0
Vesting in 2021 | Maximum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 334
Other  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs base units outstanding 50
Other | Minimum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 50
Other | Maximum  
Defined Benefit Plan Disclosure [Line Items]  
Cash-settleable RSUs potential units vesting 50