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Shareholders' Equity and Share-Based Compensation - Outstanding Stock Units and Stock Options under Comprehensive Plan (Details) - shares | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options (in shares) | 1,194,352 | 1,032,128 |
Total (in shares) | 2,038,920 | 1,909,993 | 1,783,756
Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
CSUs related to deferred compensation for Directors and Employees | 816,759 | 834,981 | 823,393
RSUs related to incentive compensation (in shares) | 816,759 | 834,981 | 823,393
Restricted stock units | Director |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
CSUs related to deferred compensation for Directors and Employees | 15,372 | 26,313 | 23,609
RSUs related to incentive compensation (in shares) | 15,372 | 26,313 | 23,609
Restricted stock units | Employees Member |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
CSUs related to deferred compensation for Directors and Employees | 12,437 | 16,571 | 20,467
RSUs related to incentive compensation (in shares) | 12,437 | 16,571 | 20,467
Equity Option |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options (in shares) | 1,194,352 | 1,032,128 | 916,287

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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 Number of options outstanding, including both vested and non-vested options. + 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)(1)(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)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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