XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.22.1

Investments (Reverse Purchase Agreements) (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Investments, Debt and Equity Securities [Abstract] |  |
Value of reverse repurchase agreements | $ 256.6 | $ 5.1
Minimum required collateral for reverse repurchase agreements, expressed as a percentage of loan principal | 102.00% |

X
- Definition Securities Purchased Under Agreements To Resell Required Collateral Percentage Of Principal + References No definition available. + Details
Name: | rnr_SecuritiesPurchasedUnderAgreementsToResellRequiredCollateralPercentageOfPrincipal
Namespace Prefix: | rnr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying value of securities purchased to be resold in reverse repurchase transactions as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_SecuritiesForReverseRepurchaseAgreements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant