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Share-Based Compensation And Stock Repurchase Plans (Schedule Of Restricted Stock Units Issued And Vested) (Details) - Restricted Stock Units (RSUs) [Member] - shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 1,561,690 | 295,549
Number of options, Vesting | 740,078 | 287,958
Number of options, Unvested | 783,063 |
Number of options, Forfeited | 38,549 | 7,591
Award Date 1 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 287,163 |
Number of options, Vesting | 211,679 |
Number of options, Unvested | 48,402 |
Number of options, Forfeited | 27,082 |
Award Date 2 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 43,260 |
Number of options, Vesting | 42,084 |
Number of options, Forfeited | 1,176 |
Award Date 3 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 71,543 |
Number of options, Vesting | 71,543 |
Award Date 4 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 262,830 |
Number of options, Vesting | 45,403 |
Number of options, Unvested | 217,427 |
Award Date 5 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 22,888 |
Number of options, Vesting | 5,536 |
Number of options, Unvested | 15,855 |
Number of options, Forfeited | 1,497 |
Award Date 6 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 26,924 |
Number of options, Vesting | 26,924 |
Award Date 7 [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 8 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 428,899 |
Number of options, Unvested | 427,696 |
Number of options, Forfeited | 1,203 |
Award Date 9 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 73,683 |
Number of options, Unvested | 73,683 |
Directors [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 339,438 | 129,796
Directors [Member] | Award Date 3 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 60,084 |
Directors [Member] | Award Date 6 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 26,924 |
Directors [Member] | Award Date 7 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 48,951 |
Directors [Member] | Award Date 9 [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 | 1,222,252 | 165,753
Management [Member] | Award Date 1 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 287,163 |
Management [Member] | Award Date 2 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 43,260 |
Management [Member] | Award Date 3 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 11,459 |
Management [Member] | Award Date 4 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 262,830 |
Management [Member] | Award Date 5 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 22,888 |
Management [Member] | Award Date 8 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options, Granted | 428,899 |

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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