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Statutory Requirements - Schedule Of Multi-Beneficiary Reduced Collateral Reinsurance Trusts (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Statutory Accounting Practices [Line Items]
Assets held in trust	$ 10,500,000	$ 7,900,000
Multi-Beneficiary Reduced Collateral Reinsurance Trust | Renaissance Reinsurance
Statutory Accounting Practices [Line Items]
Assets held in trust	193,922	172,741
Multi-Beneficiary Reduced Collateral Reinsurance Trust | Renaissance Reinsurance | Minimum
Statutory Accounting Practices [Line Items]
Assets held in trust	129,380	146,120
Multi-Beneficiary Reduced Collateral Reinsurance Trust | DaVinci Reinsurance
Statutory Accounting Practices [Line Items]
Assets held in trust	215,560	211,036
Multi-Beneficiary Reduced Collateral Reinsurance Trust | DaVinci Reinsurance | Minimum
Statutory Accounting Practices [Line Items]
Assets held in trust	125,184	174,743
Multi-Beneficiary Reduced Collateral Reinsurance Trust | RenaissanceRe Europe
Statutory Accounting Practices [Line Items]
Assets held in trust	103,632	106,538
Multi-Beneficiary Reduced Collateral Reinsurance Trust | RenaissanceRe Europe | Minimum
Statutory Accounting Practices [Line Items]
Assets held in trust	$ 75,380	$ 98,312

X

- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

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- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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