Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Comprehensive income (loss)
Net income (loss)	$ (1,159,816)	$ (103,440)	$ 993,058
Change in net unrealized gains (losses) on investments, net of tax	(4,923)	(2,492)	606
Foreign currency translation adjustments, net of tax	370	4,225	(11,309)
Comprehensive income (loss)	(1,164,369)	(101,707)	982,355
Net (income) loss attributable to redeemable noncontrolling interests	98,613	63,285	(230,653)
Comprehensive income (loss) attributable to redeemable noncontrolling interests	98,613	63,285	(230,653)
Comprehensive income (loss) attributable to RenaissanceRe	$ (1,065,756)	$ (38,422)	$ 751,702