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Dividend Restrictions And Statutory Financial Information (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Dividend Restrictions And Statutory Financial Information [Line Items] |  |  |
Minimum solvency margin | $ 250 |  |
Prior approval of the Bermuda Monetary Authority is required for dividend payments, if percentage exceeds in prior-year end total statutory capital | 0.25 |  |
Dividend payment restrictions, period in months | 12 months |  |
Dividend payment restrictions, percentage of statutory surplus required | 0.10 |  |
Minimum percent of total adjusted capital | 200.00% |  |
Bermuda Re [Member] |  |  |
Dividend Restrictions And Statutory Financial Information [Line Items] |  |  |
Statutory capital and surplus | $ 2,944,455 | $ 3,197,418 |
Statutory net income (loss) | $ 222,765 | 503,610 | $ 873,111
Target capital level, percent of the enhanced capital requirement | 1.20 |  |
Everest Re [Member] |  |  |
Dividend Restrictions And Statutory Financial Information [Line Items] |  |  |
Available for payment of dividends in 2016 without need for prior regulatory approval | $ 592,082 |  |
Statutory capital and surplus | 5,276,003 | 3,739,140 |
Statutory net income (loss) | $ 595,077 | $ 363,034 | $ (1,317,991)

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- Definition Approval Of Authority For Dividend Payments Percentage Exceeds In Prior Year End Total Statutory Capital + References No definition available. + Details
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- Definition Dividend payment restrictions percentage of statutory surplus required + References No definition available. + Details
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- Definition Minimum Percent Of Total Adjusted Capital + References No definition available. + Details
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- Definition Target Capital Level, Percent Of The Enhanced Capital Requirement + References No definition available. + Details
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- Definition Amount of dividends that can be declared or paid without approval of regulatory agency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 + Details
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