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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Revenues |  |  |  |
Net premiums earned | $ 379,828 | $ 260,416 | $ 676,588 | $ 546,950
Net investment income | 38,604 | 34,541 | 78,311 | 73,489
Net foreign exchange (losses) gains | (1,740) | 2,392 | (4,870) | 1,331
Equity in earnings of other ventures | 6,160 | 7,232 | 11,455 | 11,431
Other income (loss) | 1,427 | (535) | 2,966 | (473)
Net realized and unrealized gains (losses) on investments | (26,712) | 27,128 | 15,037 | 42,055
Total revenues | 397,567 | 331,174 | 779,487 | 674,783
Expenses |  |  |  |
Net claims and claim expenses incurred | 169,344 | 81,388 | 246,197 | 140,303
Acquisition expenses | 61,666 | 33,477 | 105,067 | 67,177
Operational expenses | 54,673 | 45,841 | 100,294 | 88,465
Corporate expenses | 13,032 | 3,954 | 58,630 | 8,499
Interest expense | 9,698 | 4,292 | 14,949 | 8,585
Total expenses | 308,413 | 168,952 | 525,137 | 313,029
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 89,154 | 162,222 | 254,350 | 361,754
Equity in net income (loss) of subsidiaries | 0 | 0 | 0 | 0
Income before taxes | 89,154 | 162,222 | 254,350 | 361,754
Income tax (expense) benefit | 1,842 | 204 | 49,746 | 38
Net income | 90,996 | 162,426 | 304,096 | 361,792
Net income attributable to noncontrolling interests | (12,167) | (36,078) | (51,829) | (78,846)
Net income attributable to RenaissanceRe | 78,829 | 126,348 | 252,267 | 282,946
Dividends on preference shares | (5,596) | (5,596) | (11,191) | (11,191)
Net income available to RenaissanceRe common shareholders | 73,233 | 120,752 | 241,076 | 271,755
RenaissanceRe Holdings Ltd. (Parent Guarantor) |  |  |  |
Revenues |  |  |  |
Net premiums earned | 0 | 0 | 0 | 0
Net investment income | 98 | 736 | 2,722 | 1,361
Net foreign exchange (losses) gains | 12 | 6 | 2 | 7
Equity in earnings of other ventures | 0 | 0 | 0 | 0
Other income (loss) | 15,692 | 0 | 21,881 | 0
Net realized and unrealized gains (losses) on investments | (535) | 190 | (496) | 84
Total revenues | 15,267 | 932 | 24,109 | 1,452
Expenses |  |  |  |
Net claims and claim expenses incurred | 0 | 0 | 0 | 0
Acquisition expenses | 0 | 0 | 0 | 0
Operational expenses | (1,300) | (1,236) | (2,478) | (2,116)
Corporate expenses | 6,373 | 3,468 | 22,677 | 7,470
Interest expense | 468 | 0 | 763 | 0
Total expenses | 5,541 | 2,232 | 20,962 | 5,354
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 9,726 | (1,300) | 3,147 | (3,902)
Equity in net income (loss) of subsidiaries | 72,555 | 127,648 | 256,235 | 286,848
Income before taxes | 82,281 | 126,348 | 259,382 | 282,946
Income tax (expense) benefit | (3,452) | 0 | (7,115) | 0
Net income | 78,829 | 126,348 | 252,267 | 282,946
Net income attributable to noncontrolling interests | 0 | 0 | 0 | 0
Net income attributable to RenaissanceRe | 78,829 | 126,348 | 252,267 | 282,946
Dividends on preference shares | (5,596) | (5,596) | (11,191) | (11,191)
Net income available to RenaissanceRe common shareholders | 73,233 | 120,752 | 241,076 | 271,755
Platinum Underwriters Holdings, Ltd. |  |  |  |
Revenues |  |  |  |
Net premiums earned | 0 |  | 0 |
Net investment income | 0 |  | 0 |
Net foreign exchange (losses) gains | 0 |  | 0 |
Equity in earnings of other ventures | 0 |  | 0 |
Other income (loss) | 497 |  | 663 |
Net realized and unrealized gains (losses) on investments | 0 |  | 0 |
Total revenues | 497 |  | 663 |
Expenses |  |  |  |
Net claims and claim expenses incurred | 0 |  | 0 |
Acquisition expenses | 0 |  | 0 |
Operational expenses | 932 |  | 5,919 |
Corporate expenses | 980 |  | 9,162 |
Interest expense | 0 |  | 0 |
Total expenses | 1,912 |  | 15,081 |
(Loss) income before equity in net income (loss) of subsidiaries and taxes | (1,415) |  | (14,418) |
Equity in net income (loss) of subsidiaries | (805) |  | (7,362) |
Income before taxes | (2,220) |  | (21,780) |
Income tax (expense) benefit | 0 |  | 0 |
Net income | (2,220) |  | (21,780) |
Net income attributable to noncontrolling interests | 0 |  | 0 |
Net income attributable to RenaissanceRe | (2,220) |  | (21,780) |
Dividends on preference shares | 0 |  | 0 |
Net income available to RenaissanceRe common shareholders | (2,220) |  | (21,780) |
RenRe North America Holdings Inc. |  |  |  |
Revenues |  |  |  |
Net premiums earned | 0 | 0 | 0 | 0
Net investment income | 300 | 445 | 631 | 919
Net foreign exchange (losses) gains | 0 | 0 | 0 | 0
Equity in earnings of other ventures | 0 | 0 | 0 | 0
Other income (loss) | 0 | 0 | 0 | (8)
Net realized and unrealized gains (losses) on investments | 609 | 4,340 | 1,015 | 4,717
Total revenues | 909 | 4,785 | 1,646 | 5,628
Expenses |  |  |  |
Net claims and claim expenses incurred | 0 | 0 | 0 | 0
Acquisition expenses | 0 | 0 | 0 | 0
Operational expenses | 1,588 | 1,684 | 3,478 | 3,578
Corporate expenses | 153 | 59 | 251 | 118
Interest expense | 3,616 | 3,616 | 7,233 | 7,233
Total expenses | 5,357 | 5,359 | 10,962 | 10,929
(Loss) income before equity in net income (loss) of subsidiaries and taxes | (4,448) | (574) | (9,316) | (5,301)
Equity in net income (loss) of subsidiaries | 127 | (38) | 17,526 | 815
Income before taxes | (4,321) | (612) | 8,210 | (4,486)
Income tax (expense) benefit | 1,743 | (38) | 32,748 | 646
Net income | (2,578) | (650) | 40,958 | (3,840)
Net income attributable to noncontrolling interests | 0 | 0 | 0 | 0
Net income attributable to RenaissanceRe | (2,578) | (650) | 40,958 | (3,840)
Dividends on preference shares | 0 | 0 | 0 | 0
Net income available to RenaissanceRe common shareholders | (2,578) | (650) | 40,958 | (3,840)
Platinum Underwriters Finance, Inc. |  |  |  |
Revenues |  |  |  |
Net premiums earned | 0 |  | 0 |
Net investment income | 1,221 |  | 1,181 |
Net foreign exchange (losses) gains | 0 |  | 0 |
Equity in earnings of other ventures | 0 |  | 0 |
Other income (loss) | 0 |  | 0 |
Net realized and unrealized gains (losses) on investments | (1,389) |  | (1,388) |
Total revenues | (168) |  | (207) |
Expenses |  |  |  |
Net claims and claim expenses incurred | 0 |  | 0 |
Acquisition expenses | 0 |  | 0 |
Operational expenses | 0 |  | 1 |
Corporate expenses | 109 |  | 144 |
Interest expense | 4,687 |  | 6,250 |
Total expenses | 4,796 |  | 6,395 |
(Loss) income before equity in net income (loss) of subsidiaries and taxes | (4,964) |  | (6,602) |
Equity in net income (loss) of subsidiaries | 565 |  | (1,581) |
Income before taxes | (4,399) |  | (8,183) |
Income tax (expense) benefit | 1,956 |  | 2,527 |
Net income | (2,443) |  | (5,656) |
Net income attributable to noncontrolling interests | 0 |  | 0 |
Net income attributable to RenaissanceRe | (2,443) |  | (5,656) |
Dividends on preference shares | 0 |  | 0 |
Net income available to RenaissanceRe common shareholders | (2,443) |  | (5,656) |
RenaissanceRe Finance, Inc. |  |  |  |
Revenues |  |  |  |
Net premiums earned | 0 |  | 0 |
Net investment income | 468 |  | 504 |
Net foreign exchange (losses) gains | 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 | 468 |  | 504 |
Expenses |  |  |  |
Net claims and claim expenses incurred | 0 |  | 0 |
Acquisition expenses | 0 |  | 0 |
Operational expenses | 0 |  | 0 |
Corporate expenses | 77 |  | 84 |
Interest expense | 2,790 |  | 3,006 |
Total expenses | 2,867 |  | 3,090 |
(Loss) income before equity in net income (loss) of subsidiaries and taxes | (2,399) |  | (2,586) |
Equity in net income (loss) of subsidiaries | (2,443) |  | (5,656) |
Income before taxes | (4,842) |  | (8,242) |
Income tax (expense) benefit | 888 |  | 953 |
Net income | (3,954) |  | (7,289) |
Net income attributable to noncontrolling interests | 0 |  | 0 |
Net income attributable to RenaissanceRe | (3,954) |  | (7,289) |
Dividends on preference shares | 0 |  | 0 |
Net income available to RenaissanceRe common shareholders | (3,954) |  | (7,289) |
Other RenaissanceRe Holdings Ltd. Subsidiaries And Eliminations (Non-Guarantor Subsidiaries) |  |  |  |
Revenues |  |  |  |
Net premiums earned | 379,828 | 260,416 | 676,588 | 546,950
Net investment income | 37,342 | 34,293 | 75,072 | 73,079
Net foreign exchange (losses) gains | (1,752) | 2,386 | (4,872) | 1,324
Equity in earnings of other ventures | 6,160 | 7,232 | 11,455 | 11,431
Other income (loss) | 431 | (535) | 1,639 | (465)
Net realized and unrealized gains (losses) on investments | (25,397) | 22,598 | 15,906 | 37,254
Total revenues | 396,612 | 326,390 | 775,788 | 669,573
Expenses |  |  |  |
Net claims and claim expenses incurred | 171,023 | 81,388 | 248,435 | 140,303
Acquisition expenses | 73,537 | 33,477 | 121,855 | 67,177
Operational expenses | 51,334 | 45,483 | 85,849 | 87,171
Corporate expenses | 5,449 | 427 | 26,456 | 911
Interest expense | 880 | 676 | 1,474 | 1,352
Total expenses | 302,223 | 161,451 | 484,069 | 296,914
(Loss) income before equity in net income (loss) of subsidiaries and taxes | 94,389 | 164,939 | 291,719 | 372,659
Equity in net income (loss) of subsidiaries | (11,916) | 0 | 0 | 0
Income before taxes | 82,473 | 164,939 | 291,719 | 372,659
Income tax (expense) benefit | 707 | 242 | 20,633 | (608)
Net income | 83,180 | 165,181 | 312,352 | 372,051
Net income attributable to noncontrolling interests | (12,167) | (36,078) | (51,829) | (78,846)
Net income attributable to RenaissanceRe | 71,013 | 129,103 | 260,523 | 293,205
Dividends on preference shares | 0 | 0 | 0 | 0
Net income available to RenaissanceRe common shareholders | 71,013 | 129,103 | 260,523 | 293,205
Consolidating Adjustments |  |  |  |
Revenues |  |  |  |
Net premiums earned | 0 | 0 | 0 | 0
Net investment income | (825) | (933) | (1,799) | (1,870)
Net foreign exchange (losses) gains | 0 | 0 | 0 | 0
Equity in earnings of other ventures | 0 | 0 | 0 | 0
Other income (loss) | (15,193) | 0 | (21,217) | 0
Net realized and unrealized gains (losses) on investments | 0 | 0 | 0 | 0
Total revenues | (16,018) | (933) | (23,016) | (1,870)
Expenses |  |  |  |
Net claims and claim expenses incurred | (1,679) | 0 | (2,238) | 0
Acquisition expenses | (11,871) | 0 | (16,788) | 0
Operational expenses | 2,119 | (90) | 7,525 | (168)
Corporate expenses | (109) | 0 | (144) | 0
Interest expense | (2,743) | 0 | (3,777) | 0
Total expenses | (14,283) | (90) | (15,422) | (168)
(Loss) income before equity in net income (loss) of subsidiaries and taxes | (1,735) | (843) | (7,594) | (1,702)
Equity in net income (loss) of subsidiaries | (58,083) | (127,610) | (259,162) | (287,663)
Income before taxes | (59,818) | (128,453) | (266,756) | (289,365)
Income tax (expense) benefit | 0 | 0 | 0 | 0
Net income | (59,818) | (128,453) | (266,756) | (289,365)
Net income attributable to noncontrolling interests | 0 | 0 | 0 | 0
Net income attributable to RenaissanceRe | (59,818) | (128,453) | (266,756) | (289,365)
Dividends on preference shares | 0 | 0 | 0 | 0
Net income available to RenaissanceRe common shareholders | $ (59,818) | $ (128,453) | $ (266,756) | $ (289,365)

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