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Condensed Consolidating Financial Information Provided In Connection With Outstanding Debt Of Subsidiaries (Condensed Consolidating Statement Of Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Revenues |  |
Net premiums earned | $ 353,606 | $ 296,760
Net investment income | 28,863 | 39,707
Net foreign exchange losses | (1,692) | (3,130)
Equity in earnings of other ventures | 1,611 | 5,295
Other income (loss) | 4,079 | 1,539
Net realized and unrealized gains (losses) on investments | 61,653 | 41,749
Total revenues | 448,120 | 381,920
Expenses |  |
Net claims and claim expenses incurred | 126,605 | 76,853
Acquisition expenses | 65,592 | 43,401
Operational expenses | 56,235 | 45,621
Corporate expenses | 8,225 | 45,533
Interest expense | 10,538 | 5,316
Total expenses | 267,195 | 216,724
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 180,925 | 165,196
Equity in net income (loss) of subsidiaries | 0 | 0
Income before taxes | 180,925 | 165,196
Income tax (expense) benefit | (2,744) | 47,904
Net income | 178,181 | 213,100
Net income attributable to noncontrolling interests | (44,591) | (39,662)
Net income attributable to RenaissanceRe | 133,590 | 173,438
Dividends on preference shares | (5,595) | (5,595)
Net income available to RenaissanceRe common shareholders | 127,995 | 167,843
RenaissanceRe Holdings Ltd. (Parent Guarantor) |  |
Revenues |  |
Net premiums earned | 0 | 0
Net investment income | 6,858 | 2,624
Net foreign exchange losses | (1) | (10)
Equity in earnings of other ventures | 0 | 0
Other income (loss) | 0 | 166
Net realized and unrealized gains (losses) on investments | 4,488 | 39
Total revenues | 11,345 | 2,819
Expenses |  |
Net claims and claim expenses incurred | 0 | 0
Acquisition expenses | 0 | 0
Operational expenses | (701) | 3,809
Corporate expenses | 5,613 | 24,486
Interest expense | 140 | 295
Total expenses | 5,052 | 28,590
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 6,293 | (25,771)
Equity in net income (loss) of subsidiaries | 123,538 | 200,945
Income before taxes | 129,831 | 175,174
Income tax (expense) benefit | 3,759 | (1,736)
Net income | 133,590 | 173,438
Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to RenaissanceRe | 133,590 | 173,438
Dividends on preference shares | (5,595) | (5,595)
Net income available to RenaissanceRe common shareholders | 127,995 | 167,843
RenRe North America Holdings Inc. (Subsidiary Issuer) |  |
Revenues |  |
Net premiums earned | 0 | 0
Net investment income | 509 | 331
Net foreign exchange losses | 0 | 0
Equity in earnings of other ventures | 0 | 0
Other income (loss) | 0 | 0
Net realized and unrealized gains (losses) on investments | 1,115 | 406
Total revenues | 1,624 | 737
Expenses |  |
Net claims and claim expenses incurred | 0 | 0
Acquisition expenses | 0 | 0
Operational expenses | (141) | 1,890
Corporate expenses | 0 | 39
Interest expense | 0 | 3,676
Total expenses | (141) | 5,605
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 1,765 | (4,868)
Equity in net income (loss) of subsidiaries | (133) | 3,416
Income before taxes | 1,632 | (1,452)
Income tax (expense) benefit | (561) | 31,005
Net income | 1,071 | 29,553
Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to RenaissanceRe | 1,071 | 29,553
Dividends on preference shares | 0 | 0
Net income available to RenaissanceRe common shareholders | 1,071 | 29,553
Platinum Underwriters Finance, Inc. (Subsidiary Issuer) |  |
Revenues |  |
Net premiums earned | 0 | 0
Net investment income | 1,433 | (40)
Net foreign exchange losses | 0 | 0
Equity in earnings of other ventures | 0 | 0
Other income (loss) | 0 | 0
Net realized and unrealized gains (losses) on investments | 1,964 | 1
Total revenues | 3,397 | (39)
Expenses |  |
Net claims and claim expenses incurred | 0 | 0
Acquisition expenses | 0 | 0
Operational expenses | 52 | 1
Corporate expenses | 0 | 0
Interest expense | 1,476 | 492
Total expenses | 1,528 | 493
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 1,869 | (532)
Equity in net income (loss) of subsidiaries | 22,335 | 1,410
Income before taxes | 24,204 | 878
Income tax (expense) benefit | (344) | (695)
Net income | 23,860 | 183
Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to RenaissanceRe | 23,860 | 183
Dividends on preference shares | 0 | 0
Net income available to RenaissanceRe common shareholders | 23,860 | 183
RenaissanceRe Finance, Inc. (Subsidiary Issuer) |  |
Revenues |  |
Net premiums earned | 0 | 0
Net investment income | 140 | 36
Net foreign exchange losses | 0 | 0
Equity in earnings of other ventures | 0 | 0
Other income (loss) | 0 | 0
Net realized and unrealized gains (losses) on investments | 0 | 0
Total revenues | 140 | 36
Expenses |  |
Net claims and claim expenses incurred | 0 | 0
Acquisition expenses | 0 | 0
Operational expenses | 7,009 | 0
Corporate expenses | 0 | 0
Interest expense | 6,543 | 222
Total expenses | 13,552 | 222
(Loss) income before equity in net income (loss) of subsidiaries and taxes | (13,412) | (186)
Equity in net income (loss) of subsidiaries | 24,479 | 43,902
Income before taxes | 11,067 | 43,716
Income tax (expense) benefit | 2,879 | 65
Net income | 13,946 | 43,781
Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to RenaissanceRe | 13,946 | 43,781
Dividends on preference shares | 0 | 0
Net income available to RenaissanceRe common shareholders | 13,946 | 43,781
Other RenaissanceRe Holdings Ltd. Subsidiaries And Eliminations (Non-Guarantor Subsidiaries) |  |
Revenues |  |
Net premiums earned | 353,606 | 296,760
Net investment income | 25,806 | 37,730
Net foreign exchange losses | (1,691) | (3,120)
Equity in earnings of other ventures | 1,611 | 5,295
Other income (loss) | 4,079 | 1,538
Net realized and unrealized gains (losses) on investments | 54,086 | 41,303
Total revenues | 437,497 | 379,506
Expenses |  |
Net claims and claim expenses incurred | 126,605 | 76,853
Acquisition expenses | 65,592 | 43,401
Operational expenses | 55,096 | 39,920
Corporate expenses | 2,612 | 21,008
Interest expense | 2,519 | 667
Total expenses | 252,424 | 181,849
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 185,073 | 197,657
Equity in net income (loss) of subsidiaries | 0 | 0
Income before taxes | 185,073 | 197,657
Income tax (expense) benefit | (8,477) | 19,265
Net income | 176,596 | 216,922
Net income attributable to noncontrolling interests | (44,591) | (39,662)
Net income attributable to RenaissanceRe | 132,005 | 177,260
Dividends on preference shares | 0 | 0
Net income available to RenaissanceRe common shareholders | 132,005 | 177,260
Consolidating Adjustments |  |
Revenues |  |
Net premiums earned | 0 | 0
Net investment income | (5,883) | (974)
Net foreign exchange losses | 0 | 0
Equity in earnings of other ventures | 0 | 0
Other income (loss) | 0 | (165)
Net realized and unrealized gains (losses) on investments | 0 | 0
Total revenues | (5,883) | (1,139)
Expenses |  |
Net claims and claim expenses incurred | 0 | 0
Acquisition expenses | 0 | 0
Operational expenses | (5,080) | 1
Corporate expenses | 0 | 0
Interest expense | (140) | (36)
Total expenses | (5,220) | (35)
(Loss) income before equity in net income (loss) of subsidiaries and taxes | (663) | (1,104)
Equity in net income (loss) of subsidiaries | (170,219) | (249,673)
Income before taxes | (170,882) | (250,777)
Income tax (expense) benefit | 0 | 0
Net income | (170,882) | (250,777)
Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to RenaissanceRe | (170,882) | (250,777)
Dividends on preference shares | 0 | 0
Net income available to RenaissanceRe common shareholders | $ (170,882) | $ (250,777)

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