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Condensed Consolidating Financial Information Provided In Connection With Outstanding Debt Of Subsidiaries (Condensed Consolidating Statement Of Cash Flows) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Cash flows (used in) provided by operating activities |  |  |
Net cash provided by (used in) operating activities | $ 117,172 | $ (29,370) |
Cash flows provided by (used in) investing activities |  |  |
Proceeds from sales and maturities of fixed maturity investments trading | 4,780,406 | 4,761,975 |
Purchases of fixed maturity investments trading | (4,984,820) | (4,596,118) |
Proceeds from sales and maturities of fixed maturity investments available for sale | 5,216 | 5,000 |
Net sales (purchases) of equity investments trading | 181,634 | (166,485) |
Net sales of short term investments | 245,899 | 360,162 |
Net purchases of other investments | (52,778) | (1,250) |
Net purchases of investments in other ventures | 0 | (45) |
Net sales of other assets | 0 | 4,500 |
Dividends and return of capital from subsidiaries | 0 | 0 |
Contributions to subsidiaries | 0 | 0 |
Due (from) to subsidiary | 0 | 0 |
Net purchase of Platinum | 0 | (678,152) |
Net cash provided by (used in) investing activities | 175,557 | (310,413) |
Cash flows (used in) provided by financing activities |  |  |
Dividends paid – RenaissanceRe common shares | (26,198) | (27,479) |
Dividends paid – preference shares | (11,191) | (11,191) |
RenaissanceRe common share repurchases | (265,003) | (736) |
Net issuance of debt | 0 | 445,589 |
Net third party redeemable noncontrolling interest share transactions | (43,909) | (187,064) |
Net cash (used in) provided by financing activities | (346,301) | 219,119 |
Effect of exchange rate changes on foreign currency cash | 2,208 | (6,830) |
Net decrease in cash and cash equivalents | (51,364) | (127,494) |
Cash and cash equivalents, beginning of period | 506,885 | 525,584 | $ 525,584
Cash and cash equivalents, end of period | 455,521 | 398,090 | 506,885
Reportable Legal Entities | RenaissanceRe Holdings Ltd. (Parent Guarantor) |  |  |
Cash flows (used in) provided by operating activities |  |  |
Net cash provided by (used in) operating activities | (11,131) | 59,434 |
Cash flows provided by (used in) investing activities |  |  |
Proceeds from sales and maturities of fixed maturity investments trading | 210,933 | 14,718 |
Purchases of fixed maturity investments trading | (324,462) | (56,559) |
Proceeds from sales and maturities of fixed maturity investments available for sale | 0 | 0 |
Net sales (purchases) of equity investments trading | 0 | 0 |
Net sales of short term investments | 195,915 | (1,088) |
Net purchases of other investments | 0 | 0 |
Net purchases of investments in other ventures |  | 0 |
Net sales of other assets |  | 0 |
Dividends and return of capital from subsidiaries | 341,011 | 1,050,762 |
Contributions to subsidiaries | (95,001) | (231,964) |
Due (from) to subsidiary | (22,676) | 114,266 |
Net purchase of Platinum |  | (904,433) |
Net cash provided by (used in) investing activities | 305,720 | (14,298) |
Cash flows (used in) provided by financing activities |  |  |
Dividends paid – RenaissanceRe common shares | (26,198) | (27,479) |
Dividends paid – preference shares | (11,191) | (11,191) |
RenaissanceRe common share repurchases | (265,003) | (736) |
Net issuance of debt |  | 0 |
Net third party redeemable noncontrolling interest share transactions | 0 | 0 |
Net cash (used in) provided by financing activities | (302,392) | (39,406) |
Effect of exchange rate changes on foreign currency cash | 0 | 0 |
Net decrease in cash and cash equivalents | (7,803) | 5,730 |
Cash and cash equivalents, beginning of period | 10,185 | 5,986 | 5,986
Cash and cash equivalents, end of period | 2,382 | 11,716 | 10,185
Reportable Legal Entities | RenRe North America Holdings Inc. (Subsidiary Issuer) |  |  |
Cash flows (used in) provided by operating activities |  |  |
Net cash provided by (used in) operating activities | 297 | (5,411) |
Cash flows provided by (used in) investing activities |  |  |
Proceeds from sales and maturities of fixed maturity investments trading | 50,890 | 7,016 |
Purchases of fixed maturity investments trading | (105,772) | (38,668) |
Proceeds from sales and maturities of fixed maturity investments available for sale | 0 | 0 |
Net sales (purchases) of equity investments trading | (2,195) | 33,687 |
Net sales of short term investments | 62,403 | (5,848) |
Net purchases of other investments | 0 | 0 |
Net purchases of investments in other ventures |  | 0 |
Net sales of other assets |  | 0 |
Dividends and return of capital from subsidiaries | 2,900 | 193,850 |
Contributions to subsidiaries | 0 | 0 |
Due (from) to subsidiary | (14,396) | (183,513) |
Net purchase of Platinum |  | 0 |
Net cash provided by (used in) investing activities | (6,170) | 6,524 |
Cash flows (used in) provided by financing activities |  |  |
Dividends paid – RenaissanceRe common shares | 0 | 0 |
Dividends paid – preference shares | 0 | 0 |
RenaissanceRe common share repurchases | 0 | 0 |
Net issuance of debt |  | 0 |
Net third party redeemable noncontrolling interest share transactions | 0 | 0 |
Net cash (used in) provided by financing activities | 0 | 0 |
Effect of exchange rate changes on foreign currency cash | 0 | 0 |
Net decrease in cash and cash equivalents | (5,873) | 1,113 |
Cash and cash equivalents, beginning of period | 5,908 | 1,033 | 1,033
Cash and cash equivalents, end of period | 35 | 2,146 | 5,908
Reportable Legal Entities | Platinum Underwriters Finance, Inc. (Subsidiary Issuer) |  |  |
Cash flows (used in) provided by operating activities |  |  |
Net cash provided by (used in) operating activities | (3,914) | (10,030) |
Cash flows provided by (used in) investing activities |  |  |
Proceeds from sales and maturities of fixed maturity investments trading | 67,839 | 45,087 |
Purchases of fixed maturity investments trading | (203,883) | 0 |
Proceeds from sales and maturities of fixed maturity investments available for sale | 0 | 0 |
Net sales (purchases) of equity investments trading | 193,207 | (273,501) |
Net sales of short term investments | (58,367) | 238,048 |
Net purchases of other investments | 0 | 0 |
Net purchases of investments in other ventures |  | 0 |
Net sales of other assets |  | 0 |
Dividends and return of capital from subsidiaries | 0 | 0 |
Contributions to subsidiaries | 0 | 0 |
Due (from) to subsidiary | (92) | (52) |
Net purchase of Platinum |  | 1,537 |
Net cash provided by (used in) investing activities | (1,296) | 11,119 |
Cash flows (used in) provided by financing activities |  |  |
Dividends paid – RenaissanceRe common shares | 0 | 0 |
Dividends paid – preference shares | 0 | 0 |
RenaissanceRe common share repurchases | 0 | 0 |
Net issuance of debt |  | 0 |
Net third party redeemable noncontrolling interest share transactions | 0 | 0 |
Net cash (used in) provided by financing activities | 0 | 0 |
Effect of exchange rate changes on foreign currency cash | 0 | 0 |
Net decrease in cash and cash equivalents | (5,210) | 1,089 |
Cash and cash equivalents, beginning of period | 7,103 | 0 | 0
Cash and cash equivalents, end of period | 1,893 | 1,089 | 7,103
Reportable Legal Entities | RenaissanceRe Finance, Inc. (Subsidiary Issuer) |  |  |
Cash flows (used in) provided by operating activities |  |  |
Net cash provided by (used in) operating activities | (24,197) | (4,337) |
Cash flows provided by (used in) investing activities |  |  |
Proceeds from sales and maturities of fixed maturity investments trading | 0 | 0 |
Purchases of fixed maturity investments trading | 0 | 0 |
Proceeds from sales and maturities of fixed maturity investments available for sale | 0 | 0 |
Net sales (purchases) of equity investments trading | 0 | 0 |
Net sales of short term investments | 0 | 0 |
Net purchases of other investments | 0 | 0 |
Net purchases of investments in other ventures |  | 0 |
Net sales of other assets |  | 0 |
Dividends and return of capital from subsidiaries | 0 | 0 |
Contributions to subsidiaries | 0 | (180,000) |
Due (from) to subsidiary | 24,134 | (114,839) |
Net purchase of Platinum |  | 0 |
Net cash provided by (used in) investing activities | 24,134 | (294,839) |
Cash flows (used in) provided by financing activities |  |  |
Dividends paid – RenaissanceRe common shares | 0 | 0 |
Dividends paid – preference shares | 0 | 0 |
RenaissanceRe common share repurchases | 0 | 0 |
Net issuance of debt |  | 299,400 |
Net third party redeemable noncontrolling interest share transactions | 0 | 0 |
Net cash (used in) provided by financing activities | 0 | 299,400 |
Effect of exchange rate changes on foreign currency cash | 0 | 0 |
Net decrease in cash and cash equivalents | (63) | 224 |
Cash and cash equivalents, beginning of period | 677 | 0 | 0
Cash and cash equivalents, end of period | 614 | 224 | 677
Reportable Legal Entities | Other RenaissanceRe Holdings Ltd. Subsidiaries And Eliminations (Non-Guarantor Subsidiaries) |  |  |
Cash flows (used in) provided by operating activities |  |  |
Net cash provided by (used in) operating activities | 156,117 | (69,026) |
Cash flows provided by (used in) investing activities |  |  |
Proceeds from sales and maturities of fixed maturity investments trading | 4,450,744 | 4,695,154 |
Purchases of fixed maturity investments trading | (4,350,703) | (4,500,891) |
Proceeds from sales and maturities of fixed maturity investments available for sale | 5,216 | 5,000 |
Net sales (purchases) of equity investments trading | (9,378) | 73,329 |
Net sales of short term investments | 45,948 | 129,050 |
Net purchases of other investments | (52,778) | (1,250) |
Net purchases of investments in other ventures |  | (45) |
Net sales of other assets |  | 4,500 |
Dividends and return of capital from subsidiaries | (343,911) | (1,244,612) |
Contributions to subsidiaries | 95,001 | 411,964 |
Due (from) to subsidiary | 13,030 | 184,138 |
Net purchase of Platinum |  | 224,744 |
Net cash provided by (used in) investing activities | (146,831) | (18,919) |
Cash flows (used in) provided by financing activities |  |  |
Dividends paid – RenaissanceRe common shares | 0 | 0 |
Dividends paid – preference shares | 0 | 0 |
RenaissanceRe common share repurchases | 0 | 0 |
Net issuance of debt |  | 146,189 |
Net third party redeemable noncontrolling interest share transactions | (43,909) | (187,064) |
Net cash (used in) provided by financing activities | (43,909) | (40,875) |
Effect of exchange rate changes on foreign currency cash | 2,208 | (6,830) |
Net decrease in cash and cash equivalents | (32,415) | (135,650) |
Cash and cash equivalents, beginning of period | 483,012 | 518,565 | 518,565
Cash and cash equivalents, end of period | $ 450,597 | $ 382,915 | $ 483,012

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- Definition The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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