XML 47 R36.htm IDEA: XBRL DOCUMENT v3.21.2

Investments (Schedule of Fair Value of Equity Investments Trading) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	$ 527,839	$ 702,617
Financials
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	153,661	452,765
Communications and technology
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	92,993	119,592
Consumer
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	58,241	44,477
Industrial, utilities and energy
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	32,231	43,380
Healthcare
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	32,899	35,140
Basic materials
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	5,821	7,263
Exchange traded funds
Debt and Equity Securities, FV-NI [Line Items]
Equity investments trading	$ 151,993	$ 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_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems
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_ExchangeTradedFundsETFsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: