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Equity Equity (Common Stock Changes in Number of Shares Issued, Held in Treasury and Oustanding) (Details) - shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Class of Stock [Line Items] |  |  |  |  |
Common Stock, Shares, Issued |  | 85,310,598 | 85,310,598 |  |
Stock Issued During Period, Shares, New Issues |  |  |  | (6,172,840) |
Common Stock Issuable [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common Stock, Shares, Issued |  | 85,310,598 | 85,310,598 | 85,310,598 | 79,137,758
Stock Issued During Period, Shares, New Issues |  | 0 |  | (6,172,840) |
Stock Based Compensation Shares | [1] | 0 | 0 | 0 |
Treasury Stock, Shares, Acquired |  |  | 0 | 0 |
Common Stock Held In Treasury [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common Stock, Shares, Issued |  | 18,634,390 | 18,139,868 | 17,353,697 | 16,481,656
Stock Issued During Period, Shares, New Issues |  | (599,254) |  | 0 |
Stock Based Compensation Shares | [1] | (104,732) | (65,866) | (202,372) |
Treasury Stock, Shares, Acquired |  |  | (852,037) | (1,074,413) |
Common Stock Outstanding [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common Stock, Shares, Issued |  | 66,676,208 | 67,170,730 | 67,956,901 | 62,656,102
Stock Issued During Period, Shares, New Issues |  | (599,254) |  | (6,172,840) |
Stock Based Compensation Shares | [1] | (104,732) | (65,866) | (202,372) |
Treasury Stock, Shares, Acquired |  |  | (852,037) | (1,074,413) |
[1] | Represents net shares issued from treasury pursuant to the Company’s stock-based compensation programs.

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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