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Schedule II. Condensed Financial Information Of Registrant (Statements of Cash Flows) (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May. 31, 2013 | Dec. 31, 2006 | Mar. 31, 2004 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Cash flows provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to RenaissanceRe |  |  |  | $ 97,801,000 | $ 81,124,000 | $ 78,829,000 | $ 173,438,000 | $ 176,362,000 | $ 73,410,000 | $ 126,348,000 | $ 156,598,000 | $ 431,192,000 | $ 532,718,000 | $ 690,624,000
Less: equity in net income of subsidiaries |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized losses (gains) included in net investment income |  |  |  |  |  |  |  |  |  |  |  | 13,549,000 | 1,393,000 | (75,789,000)
Net unrealized gains included in other income (loss) |  |  |  |  |  |  |  |  |  |  |  | 426,000 | 1,612,000 | 12,782,000
Net realized and unrealized losses (gains) on investments |  |  |  | 42,817,000 | $ 41,138,000 | $ 26,712,000 | (41,749,000) | (30,475,000) | $ 31,097,000 | $ (27,128,000) | (14,927,000) | 68,918,000 | (41,433,000) | (35,076,000)
Other |  |  |  |  |  |  |  |  |  |  |  | 2,892,000 | (71,146,000) | 159,892,000
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  | 414,737,000 | 660,657,000 | 795,721,000
Cash flows provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and sales of fixed maturity investments trading |  |  |  |  |  |  |  |  |  |  |  | 9,481,742,000 | 7,682,573,000 | 8,251,405,000
Purchases of fixed maturity investments trading |  |  |  |  |  |  |  |  |  |  |  | (9,683,068,000) | (7,639,178,000) | (8,466,467,000)
Net (purchases) sales of short term investments |  |  |  |  |  |  |  |  |  |  |  | 669,116,000 | 45,023,000 | (246,971,000)
Dividends and return of capital from subsidiaries |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Contributions to subsidiaries |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net purchase of Platinum |  |  |  |  |  |  |  |  |  |  |  | (678,152,000) | 0 | 0
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  |  |  |  | (339,039,000) | 141,653,000 | (315,515,000)
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid – RenaissanceRe common shares |  |  |  |  |  |  |  |  |  |  |  | (53,967,000) | (45,912,000) | (49,267,000)
Dividends paid – preference shares |  |  |  |  |  |  |  |  |  |  |  | (22,381,000) | (22,381,000) | (24,948,000)
RenaissanceRe common share repurchases |  |  |  |  |  |  |  |  |  |  |  | (259,874,000) | (514,678,000) | (207,410,000)
Repayment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  | (102,436,000)
Net cash used in financing activities |  |  |  |  |  |  |  |  |  |  |  | (83,665,000) | (694,678,000) | (398,955,000)
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  | (18,699,000) | 117,552,000 | 82,674,000
Cash and cash equivalents, beginning of period |  |  |  |  |  |  | 525,584,000 |  |  |  | 408,032,000 | 525,584,000 | 408,032,000 | 304,145,000
Cash and cash equivalents, end of period |  |  |  | 506,885,000 |  |  |  | 525,584,000 |  |  |  | 506,885,000 | 525,584,000 | 408,032,000
Series C Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of preference shares |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (125,000,000)
Issuance of 5.375% Series E preference shares, net of expenses |  |  | $ 250,000,000 |  |  |  |  |  |  |  |  |  |  |
Series D Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of preference shares |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (150,000,000)
Issuance of 5.375% Series E preference shares, net of expenses |  | $ 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Series E Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of 5.375% Series E preference shares, net of expenses | $ 275,000,000 |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 265,856,000
Parent Company |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to RenaissanceRe |  |  |  |  |  |  |  |  |  |  |  | 431,192,000 | 532,718,000 | 690,624,000
Less: equity in net income of subsidiaries |  |  |  |  |  |  |  |  |  |  |  | (463,526,000) | (545,839,000) | (713,831,000)
Loss before equity in net income of subsidiaries |  |  |  |  |  |  |  |  |  |  |  | (32,334,000) | (13,121,000) | (23,207,000)
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized gains included in other income (loss) |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (20,000)
Net realized and unrealized losses (gains) on investments |  |  |  |  |  |  |  |  |  |  |  | 2,080,000 | (83,000) | 483,000
Other |  |  |  |  |  |  |  |  |  |  |  | (8,959,000) | 13,633,000 | (13,764,000)
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  | (39,213,000) | 429,000 | (36,508,000)
Cash flows provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and sales of fixed maturity investments trading |  |  |  |  |  |  |  |  |  |  |  | 63,824,000 | 88,273,000 | 880,749,000
Purchases of fixed maturity investments trading |  |  |  |  |  |  |  |  |  |  |  | (161,183,000) | (88,341,000) | (491,768,000)
Net (purchases) sales of short term investments |  |  |  |  |  |  |  |  |  |  |  | (116,461,000) | 73,717,000 | 21,217,000
Dividends and return of capital from subsidiaries |  |  |  |  |  |  |  |  |  |  |  | 1,584,624,000 | 1,259,224,000 | 504,241,000
Contributions to subsidiaries |  |  |  |  |  |  |  |  |  |  |  | (294,733,000) | (759,456,000) | (500,652,000)
Due to (from) subsidiary |  |  |  |  |  |  |  |  |  |  |  | 207,996,000 | 6,315,000 | 15,988,000
Net purchase of Platinum |  |  |  |  |  |  |  |  |  |  |  | (904,433,000) | 0 | 0
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  |  |  |  | 379,634,000 | 579,732,000 | 429,775,000
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid – RenaissanceRe common shares |  |  |  |  |  |  |  |  |  |  |  | (53,967,000) | (45,912,000) | (49,267,000)
Dividends paid – preference shares |  |  |  |  |  |  |  |  |  |  |  | (22,381,000) | (22,381,000) | (24,948,000)
RenaissanceRe common share repurchases |  |  |  |  |  |  |  |  |  |  |  | (259,874,000) | (514,678,000) | (207,410,000)
Repayment of debt |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (100,000,000)
Net cash used in financing activities |  |  |  |  |  |  |  |  |  |  |  | (336,222,000) | (582,971,000) | (390,769,000)
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  | 4,199,000 | (2,810,000) | 2,498,000
Cash and cash equivalents, beginning of period |  |  |  |  |  |  | $ 5,986,000 |  |  |  | $ 8,796,000 | 5,986,000 | 8,796,000 | 6,298,000
Cash and cash equivalents, end of period |  |  |  | $ 10,185,000 |  |  |  | $ 5,986,000 |  |  |  | 10,185,000 | 5,986,000 | 8,796,000
Parent Company | Series C Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of preference shares |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (125,000,000)
Parent Company | Series D Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of preference shares |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 | (150,000,000)
Parent Company | Series E Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of 5.375% Series E preference shares, net of expenses |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 265,856,000

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- Definition The cash outflow to reacquire preferred stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 Reference 2: 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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- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash outflow to acquire securities classified as trading securities and held for investment purposes. Excludes payments for trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time). + References No definition available. + Details
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- Definition The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow associated with the sale, maturities, repayments and calls of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time). + References No definition available. + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount of unrealized gain (loss) recognized in the income statement on unsold other securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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