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INVESTMENTS (DETAILS 8) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross realized gains |  |  |  |  |  |  |  |  | $ 105,371 | $ 79,215 | $ 275,806
Gross realized losses |  |  |  |  |  |  |  |  | (150,615) | (152,245) | (102,868)
Net OTTI recognized in earnings |  |  |  |  |  |  |  |  | (26,210) | (72,720) | (31,227)
Change in fair value of investment derivatives |  |  |  |  |  |  |  |  | 10,929 | 7,259 | (9,603)
Total net realized investment gains (losses) | $ (20,229) | $ 5,205 | $ 21,010 | $ (66,508) | $ (14,872) | $ (69,957) | $ (11,110) | $ (42,553) | (60,525) | (138,491) | 132,108
Fixed Maturities And Short-Term Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross realized gains |  |  |  |  |  |  |  |  | 86,267 | 60,102 | 126,023
Gross realized losses |  |  |  |  |  |  |  |  | (134,460) | (143,702) | (86,943)
Equity Securities [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross realized gains |  |  |  |  |  |  |  |  | 19,104 | 19,113 | 149,783
Gross realized losses |  |  |  |  |  |  |  |  | $ (16,155) | $ (8,543) | $ (15,925)

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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities, the change in fair value of investment-related derivatives not designated as hedges and any hedge ineffectiveness recognized in earnings in relation to investment portfolio-related fair value hedges. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments and relating to the entity's investment portfolio. + References No definition available. + Details
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- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 + Details
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- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 + Details
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- Definition The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8B -URI http://asc.fasb.org/extlink&oid=73527792&loc=SL6284393-111563 + Details
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