v2.4.0.6
Condensed Consolidating Financial Information Provided In Connection With Outstanding Debt Of Subsidiaries (Condensed Consolidating Statement Of Cash Flows) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cash flows provided by (used in) operating activities:    
Net cash (used in) provided by operating activities $ 171,104 $ (6,297)
Cash flows provided by (used in) investing activities    
Proceeds from sales and maturities of fixed maturity investments trading 2,656,296 1,628,600
Purchases of fixed maturity investments trading (2,551,249) (1,414,735)
Proceeds from sales and maturities of fixed maturity investments available for sale 20,385 13,984
Purchases of equity investments trading 0 (12,108)
Net (purchases) sales of short term investments (305,867) (249,878)
Net sales of other investments (9,663) 38,083
Net purchases of investments in other ventures 0 (21,000)
Net sales of other assets 125 47,400
Dividends and return of capital from subsidiaries 0 0
Contributions to subsidiaries 0 0
Due to (from) subsidiary 0 0
Net proceeds from sale of discontinued operations held for sale 0 269,520
Net cash provided by (used in) investing activities (189,973) 299,866
Cash flows (used in) provided by financing activities    
Dividends paid - RenaissanceRe common shares (13,886) (13,361)
Dividends paid - preference shares (8,750) (8,750)
RenaissanceRe common share repurchases (3,635) (174,792)
Net repayment of debt   0
Third party DaVinciRe share repurchases 88,146 (124,047)
Net cash (used in) provided by financing activities 61,875 (320,950)
Effect of exchange rate changes on foreign currency cash 992 2,274
Net increase (decrease) in cash and cash equivalents 43,998 (25,107)
Cash and cash equivalents, beginning of period 216,984 277,738
Cash and cash equivalents, end of period 260,982 252,631
RenaissanceRe Holdings Ltd. (Parent Guarantor) [Member]
   
Cash flows provided by (used in) operating activities:    
Net cash (used in) provided by operating activities (74) 108,624
Cash flows provided by (used in) investing activities    
Proceeds from sales and maturities of fixed maturity investments trading 382,538 11,399
Purchases of fixed maturity investments trading (302,878) (13,899)
Proceeds from sales and maturities of fixed maturity investments available for sale 0 0
Purchases of equity investments trading   0
Net (purchases) sales of short term investments (43,739) (68,731)
Net sales of other investments 0 (1,029)
Net purchases of investments in other ventures   0
Net sales of other assets 0 0
Dividends and return of capital from subsidiaries 185,961 190,771
Contributions to subsidiaries (200,769) (85,586)
Due to (from) subsidiary 7,965 49,605
Net proceeds from sale of discontinued operations held for sale   0
Net cash provided by (used in) investing activities 29,078 82,530
Cash flows (used in) provided by financing activities    
Dividends paid - RenaissanceRe common shares (13,886) (13,361)
Dividends paid - preference shares (8,750) (8,750)
RenaissanceRe common share repurchases (3,635) (174,792)
Net repayment of debt   3,506
Third party DaVinciRe share repurchases 0 0
Net cash (used in) provided by financing activities (26,271) (193,397)
Effect of exchange rate changes on foreign currency cash 0 0
Net increase (decrease) in cash and cash equivalents 2,733 (2,243)
Cash and cash equivalents, beginning of period 10,606 3,414
Cash and cash equivalents, end of period 13,339 1,171
RenRe North America Holdings Inc. (Subsidiary Issuer) [Member]
   
Cash flows provided by (used in) operating activities:    
Net cash (used in) provided by operating activities (11,568) (21,049)
Cash flows provided by (used in) investing activities    
Proceeds from sales and maturities of fixed maturity investments trading 92,508 0
Purchases of fixed maturity investments trading (49,796) 0
Proceeds from sales and maturities of fixed maturity investments available for sale 0 0
Purchases of equity investments trading   0
Net (purchases) sales of short term investments (1,729) (129,698)
Net sales of other investments 0 0
Net purchases of investments in other ventures   0
Net sales of other assets 0 0
Dividends and return of capital from subsidiaries 4,299 5,205
Contributions to subsidiaries (36,700) 0
Due to (from) subsidiary (1,194) 2,429
Net proceeds from sale of discontinued operations held for sale   269,520
Net cash provided by (used in) investing activities 7,388 147,456
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 repayment of debt   (125,018)
Third party DaVinciRe share repurchases 0 0
Net cash (used in) provided by financing activities 0 (125,018)
Effect of exchange rate changes on foreign currency cash 0 0
Net increase (decrease) in cash and cash equivalents (4,180) 1,389
Cash and cash equivalents, beginning of period 4,920 3,940
Cash and cash equivalents, end of period 740 5,329
Other RenaissanceRe Holdings Ltd. Subsidiaries and Eliminations (Non-Guarantor Subsidiaries) [Member]
   
Cash flows provided by (used in) operating activities:    
Net cash (used in) provided by operating activities 182,746 [1] (93,872) [1]
Cash flows provided by (used in) investing activities    
Proceeds from sales and maturities of fixed maturity investments trading 2,181,250 [1] 1,617,201 [1]
Purchases of fixed maturity investments trading (2,198,575) [1] (1,400,836) [1]
Proceeds from sales and maturities of fixed maturity investments available for sale 20,385 [1] 13,984 [1]
Purchases of equity investments trading   (12,108) [1]
Net (purchases) sales of short term investments (260,399) [1] (51,449) [1]
Net sales of other investments (9,663) [1] 39,112 [1]
Net purchases of investments in other ventures   (21,000) [1]
Net sales of other assets 125 [1] 47,400 [1]
Dividends and return of capital from subsidiaries (190,260) [1] (195,976) [1]
Contributions to subsidiaries 237,469 [1] 85,586 [1]
Due to (from) subsidiary (6,771) [1] (52,034) [1]
Net proceeds from sale of discontinued operations held for sale   0 [1]
Net cash provided by (used in) investing activities (226,439) [1] 69,880 [1]
Cash flows (used in) provided by financing activities    
Dividends paid - RenaissanceRe common shares 0 [1] 0 [1]
Dividends paid - preference shares 0 [1] 0 [1]
RenaissanceRe common share repurchases 0 [1] 0 [1]
Net repayment of debt   121,512 [1]
Third party DaVinciRe share repurchases 88,146 [1] (124,047) [1]
Net cash (used in) provided by financing activities 88,146 [1] (2,535) [1]
Effect of exchange rate changes on foreign currency cash 992 [1] 2,274 [1]
Net increase (decrease) in cash and cash equivalents 45,445 [1] (24,253) [1]
Cash and cash equivalents, beginning of period 201,458 [1] 270,384 [1]
Cash and cash equivalents, end of period $ 246,903 [1] $ 246,131 [1]
[1] Includes all other subsidiaries of RenaissanceRe Holdings Ltd. and eliminations.