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Organization (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Jul. 01, 2023	Jun. 30, 2023
Related Party
Schedule of Equity Method Investments [Line Items]
Risk transfer capacity	$ 150
Two Sigma Hamilton Fund, LLC | Hamilton Re
Schedule of Equity Method Investments [Line Items]
Commitment for investment in Two Sigma Funds		$ 1,800
Investment in Two Sigma Funds, as a percentage of net tangible assets		60.00%	95.00%

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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