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Life And Annuity Benefits (Schedule of Liability for Future Policy Benefit, Activity) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Liability for Future Policy Benefits Activity [Abstract] |  |  |  |  |  |
Liability for future policyholder benefits, beginning of year | $ 554,366 | [1] | $ 821,632 |  | $ 976,905 |
Liability for future policyholder benefits at original discount rate, beginning of year | 667,761 |  | 745,313 |  | 838,041 |
Effect of changes in cash flow assumptions |  |  | 0 |  | 0 | $ 0
Effect of actual variances from expected experience |  |  | (5,890) |  | (3,859) | (4,208)
Adjusted liability for future policyholder benefits, beginning of year |  |  | 661,871 |  | 741,454 | $ 833,833
Interest accretion | 14,889 |  | 15,625 |  | 17,992 |
Benefit payments | (52,588) |  | (53,232) |  | (60,277) |
Effect of foreign currency rate changes | 18,705 |  | (36,086) |  | (46,235) |
Liability for future policyholder benefits at original discount rate, end of year | 642,877 |  | 667,761 |  | 745,313 |
Cumulative effect of changes in discount rate assumptions | (85,114) |  | (113,395) |  | 76,319 |
Liability for future policyholder benefits, end of year | $ 557,763 | [1] | $ 554,366 | [1] | $ 821,632 |
[1] | The undiscounted liability for future policyholder benefits was $824.6 million and $861.3 million as of December 31, 2023 and 2022, respectively.

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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in expected future policy benefit component of liability for future policy benefit from change in discount rate. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13I Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption, of expected future benefit and expense component for liability for future policy benefit, discounted at original rate. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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