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Shared-Based Payments (Summary of ESPP and ASPP Shares Issued) (Details) - shares | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Schedule of Share-Based Compensation ESPP and ASPP Shares Granted [Line Items] |  |  |
Stock Issued During Period Shares | 357,588 | 374,102 | 395,018
Employee Stock [Member] |  |  |
Schedule of Share-Based Compensation ESPP and ASPP Shares Granted [Line Items] |  |  |
Stock Issued During Period Shares | 67,075 | 67,986 | 72,239
Agent Stock Purchase Plan [Member] |  |  |
Schedule of Share-Based Compensation ESPP and ASPP Shares Granted [Line Items] |  |  |
Stock Issued During Period Shares | 42,786 | 56,736 | 50,999

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- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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