XML 38 R43.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Investments (Schedule of Fair Value of Equity Investments Trading) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Equity investments trading | $ 261,656 us-gaap_TradingSecuritiesEquity | $ 322,098 us-gaap_TradingSecuritiesEquity
Financials |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Equity investments trading | 204,540 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingFinancialsMember | 222,190 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingFinancialsMember
Communications and technology |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Equity investments trading | 17,905 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingCommunicationsandTechnologyMember | 31,376 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingCommunicationsandTechnologyMember
Industrial, utilities and energy |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Equity investments trading | 15,735 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingIndustrialUtilitiesandEnergyMember | 28,859 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingIndustrialUtilitiesandEnergyMember
Consumer |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Equity investments trading | 11,346 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingConsumerMember | 19,522 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingConsumerMember
Healthcare |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Equity investments trading | 10,042 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingHealthcareMember | 16,582 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingHealthcareMember
Basic materials |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Equity investments trading | $ 2,088 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingBasicMaterialsMember | $ 3,569 us-gaap_TradingSecuritiesEquity / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = rnr_EquityInvestmentsTradingBasicMaterialsMember

X
- Details
Name: | us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of investments in trading equity securities and other forms of trading securities that provide ownership interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),1(b)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_TradingSecuritiesEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rnr_EquityInvestmentsTradingBasicMaterialsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rnr_EquityInvestmentsTradingCommunicationsandTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rnr_EquityInvestmentsTradingConsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rnr_EquityInvestmentsTradingFinancialsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rnr_EquityInvestmentsTradingHealthcareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rnr_EquityInvestmentsTradingIndustrialUtilitiesandEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |