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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, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows (used in) provided by operating activities |  |  |  |  |  |  |  |  |  |  |
Net income (loss) attributable to RenaissanceRe | $ 42,962 | $ 45,887 | $ 377,043 | $ 282,906 | $ (74,717) | $ 42,389 | $ 197,384 | $ 62,308 | $ 748,798 | $ 227,364 | $ (222,389)
Less: equity in net (income) loss of subsidiaries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Adjustments to reconcile net income (loss) to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |
Net realized and unrealized (gains) losses on investments | (17,897) | $ (31,938) | $ (194,003) | (170,645) | 88,654 | $ (13,630) | $ 17,901 | 82,144 | (414,483) | 175,069 | (135,822)
Other |  |  |  |  |  |  |  |  | 251,351 | (223,280) | 518,100
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 2,137,195 | 1,221,701 | 1,025,787
Cash flows used in investing activities |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and sales of fixed maturity investments trading |  |  |  |  |  |  |  |  | 17,313,940 | 11,585,576 | 9,490,669
Purchases of fixed maturity investments trading |  |  |  |  |  |  |  |  | (17,919,343) | (12,489,972) | (10,093,532)
Net sales (purchases) of short term investments |  |  |  |  |  |  |  |  | (1,900,741) | (1,436,389) | 364,011
Dividends and return of capital from subsidiaries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net cash used in investing activities |  |  |  |  |  |  |  |  | (2,988,644) | (2,536,613) | (122,434)
Cash flows provided by financing activities |  |  |  |  |  |  |  |  |  |  |
Dividends paid – RenaissanceRe common shares |  |  |  |  |  |  |  |  | (59,368) | (52,841) | (51,370)
Dividends paid – preference shares |  |  |  |  |  |  |  |  | (36,756) | (30,088) | (22,381)
Issuance of debt, net of expenses |  |  |  |  |  |  |  |  | 396,411 | 0 | 295,866
RenaissanceRe common share repurchases |  |  |  |  |  |  |  |  | 0 | 0 | (188,591)
RenaissanceRe common share issuance |  |  |  |  |  |  |  |  | 0 | 250,000 | 0
Issuance of preference shares, net of expenses |  |  |  |  |  |  |  |  | 0 | 241,448 | 0
Taxes paid on withholding shares |  |  |  |  |  |  |  |  | (7,253) | (7,862) | (15,139)
Net cash provided by financing activities |  |  |  |  |  |  |  |  | 1,120,117 | 1,066,340 | 28,860
Cash and cash equivalents, beginning of year |  |  |  | 1,107,922 |  |  |  | 1,361,592 | 1,107,922 | 1,361,592 | 421,157
Cash and cash equivalents, end of year | 1,379,068 |  |  |  | 1,107,922 |  |  |  | 1,379,068 | 1,107,922 | 1,361,592
Parent Company |  |  |  |  |  |  |  |  |  |  |
Cash flows (used in) provided by operating activities |  |  |  |  |  |  |  |  |  |  |
Net income (loss) attributable to RenaissanceRe |  |  |  |  |  |  |  |  | 748,798 | 227,364 | (222,389)
Less: equity in net (income) loss of subsidiaries |  |  |  |  |  |  |  |  | (773,419) | (240,495) | 212,708
Loss before equity in net income of subsidiaries |  |  |  |  |  |  |  |  | (24,621) | (13,131) | (9,681)
Adjustments to reconcile net income (loss) to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |
Net realized and unrealized (gains) losses on investments |  |  |  |  |  |  |  |  | (12,393) | (633) | 1,357
Other |  |  |  |  |  |  |  |  | 34,153 | 30,951 | 29,442
Net cash provided by operating activities |  |  |  |  |  |  |  |  | (2,861) | 17,187 | 21,118
Cash flows used in investing activities |  |  |  |  |  |  |  |  |  |  |
Proceeds from maturities and sales of fixed maturity investments trading |  |  |  |  |  |  |  |  | 306,579 | 384,818 | 261,601
Purchases of fixed maturity investments trading |  |  |  |  |  |  |  |  | (66,740) | (520,935) | (344,463)
Net sales (purchases) of short term investments |  |  |  |  |  |  |  |  | (116,499) | 48,600 | 243,571
Dividends and return of capital from subsidiaries |  |  |  |  |  |  |  |  | 1,400,944 | 672,098 | 478,496
Contributions to subsidiaries |  |  |  |  |  |  |  |  | (1,165,607) | (785,785) | (669,672)
Due to (from) subsidiary |  |  |  |  |  |  |  |  | (625,924) | (227,762) | 294,419
Net cash used in investing activities |  |  |  |  |  |  |  |  | (267,247) | (428,966) | 263,952
Cash flows provided by financing activities |  |  |  |  |  |  |  |  |  |  |
Dividends paid – RenaissanceRe common shares |  |  |  |  |  |  |  |  | (59,368) | (52,841) | (51,370)
Dividends paid – preference shares |  |  |  |  |  |  |  |  | (36,756) | (30,088) | (22,381)
Issuance of debt, net of expenses |  |  |  |  |  |  |  |  | 396,411 | 0 | 0
RenaissanceRe common share repurchases |  |  |  |  |  |  |  |  | 0 | 0 | (188,591)
RenaissanceRe common share issuance |  |  |  |  |  |  |  |  | 0 | 250,000 | 0
Issuance of preference shares, net of expenses |  |  |  |  |  |  |  |  | 0 | 241,448 | 0
Taxes paid on withholding shares |  |  |  |  |  |  |  |  | (7,253) | (7,862) | (15,139)
Net cash provided by financing activities |  |  |  |  |  |  |  |  | 293,034 | 400,657 | (277,481)
Net (decrease) increase in cash and cash equivalents |  |  |  |  |  |  |  |  | 22,926 | (11,122) | 7,589
Cash and cash equivalents, beginning of year |  |  |  | $ 3,534 |  |  |  | $ 14,656 | 3,534 | 14,656 | 7,067
Cash and cash equivalents, end of year | $ 26,460 |  |  |  | $ 3,534 |  |  |  | $ 26,460 | $ 3,534 | $ 14,656

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