Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Comprehensive income (loss)
Net income (loss)	$ 416,526	$ (1,188,930)	$ 1,631,592	$ (1,853,149)
Change in net unrealized gains (losses) on investments, net of tax	(199)	(1,332)	1,109	(3,749)
Foreign currency translation adjustments, net of tax	(257)	(273)	(153)	(2,115)
Comprehensive income (loss)	416,070	(1,190,535)	1,632,548	(1,859,013)
Net (income) loss attributable to redeemable noncontrolling interests	(213,695)	372,429	(655,986)	335,010
Comprehensive (income) loss attributable to redeemable noncontrolling interests	(213,695)	372,429	(655,986)	335,010
Comprehensive income (loss) attributable to RenaissanceRe	$ 202,375	$ (818,106)	$ 976,562	$ (1,524,003)