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Stock-Based Compensation Plan (Summary Of Changes In Outstanding Options) (Details) shares in Thousands | 12 Months Ended
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Dec. 31, 2023 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Awards, Forfeitures | (237)
Employee Stock Option |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options outstanding at December 31, 2021 | 4,246
Options granted | 75
Options exercised or vested | (504)
Expired | (387)
Options forfeited | (191)
Options outstanding at December 31, 2022 | 3,239
Options exercisable at December 31, 2022 | 3,087
Options outstanding at December 31, 2021, weighted average exercise price | $ / shares | $ 11.46
Options granted, weighted average exercise price | $ / shares | 2.48
Options exercised or vested, weighted average exercise price | $ / shares | 6.82
Options expired, weighted average exercise price | $ / shares | 14.28
Options outstanding at December 31, 2022, weighted average exercise price | $ / shares | 11.45
Options exercisable at December 31, 2022, weighted average exercise price | $ / shares | $ 11.06
Restricted Stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Awards outstanding at December 31, 2021 | 1,546
Awards granted | 500
Awards exercised or vested | (192)
Awards outstanding at December 31, 2022 | 1,617

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