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Derivative Financial Instruments (Schedule Of Derivative Gains And Losses In The Consolidated Statements Of Operations) (Details) - Derivatives Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Derivative [Line Items] |  |  |  |
Gain Recognized in Income (Loss) | $ 2,987 | $ 2,487 | $ 5,625 | $ 6,011
Total Return Swap [Member] | Net realized investment (losses) gains [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Gain Recognized in Income (Loss) | 515 | (320) | 2,281 | 280
Equity contracts [Member] | Net realized investment (losses) gains [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Gain Recognized in Income (Loss) | $ 2,472 | $ 2,807 | $ 3,344 | $ 5,731

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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