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Schedule II. Condensed Financial Information Of Registrant (Statements of Cash Flows) (Details) - 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
Cash flows provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to RenaissanceRe | $ 75,031 | $ 152,420 | $ 141,921 | $ 133,590 | $ 97,801 | $ 81,124 | $ 78,829 | $ 173,438 | $ 502,962 | $ 431,192 | $ 532,718
Less: equity in net income of subsidiaries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |
Net unrealized gains included in other income (loss) |  |  |  |  |  |  |  |  | 0 | 426 | 1,612
Net realized and unrealized (gains) losses on investments | 49,967 | $ (59,870) | $ (69,772) | (61,653) | 42,817 | $ 41,138 | $ 26,712 | (41,749) | (141,328) | 68,918 | (41,433)
Other |  |  |  |  |  |  |  |  | 85,000 | 2,892 | (71,146)
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 469,829 | 414,737 | 660,657
Cash flows provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and sales of fixed maturity investments trading |  |  |  |  |  |  |  |  | 8,102,514 | 9,481,742 | 7,682,573
Purchases of fixed maturity investments trading |  |  |  |  |  |  |  |  | (8,282,720) | (9,683,068) | (7,639,178)
Net (purchases) sales of short term investments |  |  |  |  |  |  |  |  | (118,617) | 669,116 | 45,023
Dividends and return of capital from subsidiaries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Contributions to subsidiaries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net purchase of Platinum |  |  |  |  |  |  |  |  | 0 | (678,152) | 0
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  | (164,532) | (339,039) | 141,653
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |
Dividends paid – RenaissanceRe common shares |  |  |  |  |  |  |  |  | (51,583) | (53,967) | (45,912)
Dividends paid – preference shares |  |  |  |  |  |  |  |  | (22,381) | (22,381) | (22,381)
RenaissanceRe common share repurchases |  |  |  |  |  |  |  |  | (309,434) | (259,874) | (514,678)
Net cash used in financing activities |  |  |  |  |  |  |  |  | (386,388) | (83,665) | (694,678)
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  | (85,728) | (18,699) | 117,552
Cash and cash equivalents, beginning of period |  |  |  | 506,885 |  |  |  | 525,584 | 506,885 | 525,584 | 408,032
Cash and cash equivalents, end of period | 421,157 |  |  |  | 506,885 |  |  |  | 421,157 | 506,885 | 525,584
Parent Company |  |  |  |  |  |  |  |  |  |  |
Cash flows provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to RenaissanceRe |  |  |  |  |  |  |  |  | 502,962 | 431,192 | 532,718
Less: equity in net income of subsidiaries |  |  |  |  |  |  |  |  | (516,533) | (463,526) | (545,839)
Loss before equity in net income of subsidiaries |  |  |  |  |  |  |  |  | (13,571) | (32,334) | (13,121)
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |
Net realized and unrealized (gains) losses on investments |  |  |  |  |  |  |  |  | (4,151) | 2,080 | (83)
Other |  |  |  |  |  |  |  |  | (730) | (8,959) | 13,633
Net cash provided by operating activities |  |  |  |  |  |  |  |  | (18,452) | (39,213) | 429
Cash flows provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and sales of fixed maturity investments trading |  |  |  |  |  |  |  |  | 314,568 | 63,824 | 88,273
Purchases of fixed maturity investments trading |  |  |  |  |  |  |  |  | (336,345) | (161,183) | (88,341)
Net (purchases) sales of short term investments |  |  |  |  |  |  |  |  | (111,814) | (116,461) | 73,717
Dividends and return of capital from subsidiaries |  |  |  |  |  |  |  |  | 617,239 | 1,584,624 | 1,259,224
Contributions to subsidiaries |  |  |  |  |  |  |  |  | (108,674) | (294,733) | (759,456)
Due to (from) subsidiary |  |  |  |  |  |  |  |  | 23,758 | 207,996 | 6,315
Net purchase of Platinum |  |  |  |  |  |  |  |  | 0 | (904,433) | 0
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  | 398,732 | 379,634 | 579,732
Cash flows used in financing activities |  |  |  |  |  |  |  |  |  |  |
Dividends paid – RenaissanceRe common shares |  |  |  |  |  |  |  |  | (51,583) | (53,967) | (45,912)
Dividends paid – preference shares |  |  |  |  |  |  |  |  | (22,381) | (22,381) | (22,381)
RenaissanceRe common share repurchases |  |  |  |  |  |  |  |  | (309,434) | (259,874) | (514,678)
Net cash used in financing activities |  |  |  |  |  |  |  |  | (383,398) | (336,222) | (582,971)
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  | (3,118) | 4,199 | (2,810)
Cash and cash equivalents, beginning of period |  |  |  | $ 10,185 |  |  |  | $ 5,986 | 10,185 | 5,986 | 8,796
Cash and cash equivalents, end of period | $ 7,067 |  |  |  | $ 10,185 |  |  |  | $ 7,067 | $ 10,185 | $ 5,986

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