Stock-Based Compensation And Stock Repurchases (Schedule Of Restricted Stock Units Issued And Vested) (Details) - Restricted Stock Units (RSUs) [Member] - shares	9 Months Ended	12 Months Ended
Sep. 30, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	2,233,372	1,010,157
Number of options, Vesting	1,400,813	895,995
Number of options, Unvested	703,433	49,858
Number of options, Forfeited	129,127	64,305
Award Date 8 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	48,951
Number of options, Vesting	48,951
Award Date 9 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	428,899
Number of options, Vesting	151,033
Number of options, Unvested	230,601
Number of options, Forfeited	47,265
Award Date 10 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	73,683
Number of options, Vesting	73,683
Award Date 11 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	413,536
Number of options, Vesting	146,714
Number of options, Unvested	257,790
Number of options, Forfeited	9,032
Award Date 12 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	237,719
Number of options, Vesting	79,328
Number of options, Unvested	149,866
Number of options, Forfeited	8,525
Award Date 13 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	20,427
Number of options, Vesting	5,109
Number of options, Unvested	15,318
Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	339,438	216,804
Directors [Member] \| Award Date 8 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	48,951
Directors [Member] \| Award Date 10 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	73,683
Management [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	1,893,934	793,353
Management [Member] \| Award Date 9 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	428,899
Management [Member] \| Award Date 11 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	413,536
Management [Member] \| Award Date 12 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	237,719
Management [Member] \| Award Date 13 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted	20,427

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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