Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Comprehensive income (loss)
Net income (loss)	$ 840,290	$ (397,481)
Change in net unrealized gains (losses) on investments, net of tax	918	834
Foreign currency translation adjustments, net of tax	(294)	(2,759)
Comprehensive income (loss)	840,914	(399,406)
Net (income) loss attributable to redeemable noncontrolling interests	(267,384)	11,912
Comprehensive income (loss) attributable to redeemable noncontrolling interests	(267,384)	11,912
Comprehensive income (loss) attributable to RenaissanceRe	$ 573,530	$ (387,494)