Stock-Based Compensation (Summary Of Outstanding RSUs And PSUs) (Details) shares in Thousands, $ in Thousands |
12 Months Ended |
---|---|
Dec. 31, 2020
USD ($)
shares
| |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Remaining period to recognize compensation cost | 1 year 9 months 3 days |
RSUs And PSUs [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Unvested units | shares | 1,462 |
Unrecognized compensation cost | $ | $ 13,642 |