XML 85 R70.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Investments (Schedule of Fair Value of Equity Investments Trading) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Investments [Line Items] |  |
Equity investments trading | $ 546,016 | $ 702,617
Financials |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | 146,615 | 452,765
Communications and technology |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | 82,444 | 119,592
Consumer |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | 51,083 | 44,477
Industrial, utilities and energy |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | 26,645 | 43,380
Healthcare |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | 28,796 | 35,140
Basic materials |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | 5,092 | 7,263
Equity exchange traded funds |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | 114,919 | 0
Fixed income exchange traded funds |  |
Schedule of Investments [Line Items] |  |
Equity investments trading | $ 90,422 | $ 0

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=us-gaap_FinancialServicesSectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=us-gaap_TechnologySectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=rnr_ConsumerSectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=us-gaap_CommercialAndIndustrialSectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=us-gaap_HealthcareSectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=rnr_BasicMaterialsSectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=rnr_EquityExchangeTradedFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=rnr_FixedIncomeExchangeTradedFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |