v3.26.3
SEGMENT REPORTING - Schedule of Significant Components of the Company's Revenues and Expenses by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Gross premiums written $ 2,104,008 $ 2,323,626 $ 8,577,305 $ 9,900,309
Net premiums written 1,665,477 2,057,802 6,620,733 8,271,601
Net premiums earned 2,101,076 2,433,805 6,484,211 7,566,740
Net claims and claim expenses incurred 1,026,492 878,820 2,952,841 4,664,701
Acquisition expenses 542,893 659,723 1,628,022 1,949,763
Operational expenses 105,600 125,073 289,382 350,996
Underwriting income (loss) 426,091 770,189 1,613,966 601,280
Net claims and claim expenses incurred – current accident year 1,293,637 1,258,871 3,581,426 5,510,336
Net claims and claim expenses incurred – prior accident years (267,145) (380,051) (628,585) (845,635)
Total net incurred $ 1,026,492 $ 878,820 $ 2,952,841 $ 4,664,701
Net claims and claim expense ratio – current accident year 61.60% 51.70% 55.20% 72.80%
Net claims and claim expense ratio – prior accident years (12.70%) (15.60%) (9.70%) (11.20%)
Net claims and claim expense ratio – calendar year 48.90% 36.10% 45.50% 61.60%
Underwriting expense ratio 30.80% 32.30% 29.60% 30.50%
Combined ratio 79.70% 68.40% 75.10% 92.10%
Net investment income $ 440,853 $ 438,354 $ 1,293,844 $ 1,256,815
Net foreign exchange gains (losses) 831 877 (15,533) 2,209
Equity in earnings (losses) of other ventures 28,539 12,551 66,853 50,712
Other income (loss) 14 705 5,740 4,243
Net realized and unrealized gains (losses) on investments (879,843) 311,890 (1,180,128) 994,550
Corporate expenses (16,685) (23,414) (54,826) (70,005)
Interest expense (31,794) (30,582) (95,358) (89,461)
Income (loss) before taxes (31,994) 1,480,570 1,634,558 2,750,343
Income tax benefit (expense) 30,153 (148,860) (142,231) (280,204)
Net (income) loss attributable to redeemable noncontrolling interests (150,700) (415,200) (688,411) (548,287)
Dividends on preference shares (8,843) (8,843) (26,531) (26,531)
Net income (loss) available (attributable) to RenaissanceRe common shareholders (161,384) 907,667 777,385 1,895,321
Property        
Segment Reporting [Line Items]        
Net claims and claim expenses incurred – prior accident years     (683,245) (837,307)
Property | Operating Segments        
Segment Reporting [Line Items]        
Gross premiums written 628,750 733,274 3,887,855 4,596,042
Net premiums written 580,989 694,125 3,039,606 3,710,676
Net premiums earned 829,762 936,933 2,612,111 3,052,893
Net claims and claim expenses incurred 34,268 (133,504) 111,297 1,481,823
Acquisition expenses 158,814 192,347 491,281 534,192
Operational expenses 76,057 86,579 212,372 222,414
Underwriting income (loss) 560,623 791,511 1,797,161 814,464
Net claims and claim expenses incurred – current accident year 299,300 250,169 794,542 2,319,130
Net claims and claim expenses incurred – prior accident years (265,032) (383,673) (683,245) (837,307)
Total net incurred $ 34,268 $ (133,504) $ 111,297 $ 1,481,823
Net claims and claim expense ratio – current accident year 36.10% 26.70% 30.40% 76.00%
Net claims and claim expense ratio – prior accident years (32.00%) (40.90%) (26.10%) (27.50%)
Net claims and claim expense ratio – calendar year 4.10% (14.20%) 4.30% 48.50%
Underwriting expense ratio 28.30% 29.70% 26.90% 24.80%
Combined ratio 32.40% 15.50% 31.20% 73.30%
Casualty and Specialty        
Segment Reporting [Line Items]        
Net claims and claim expenses incurred – prior accident years     $ 54,660 $ (8,328)
Casualty and Specialty | Operating Segments        
Segment Reporting [Line Items]        
Gross premiums written $ 1,475,258 $ 1,590,352 4,689,450 5,304,267
Net premiums written 1,084,488 1,363,677 3,581,127 4,560,925
Net premiums earned 1,271,314 1,496,872 3,872,100 4,513,847
Net claims and claim expenses incurred 992,224 1,012,324 2,841,544 3,182,878
Acquisition expenses 384,079 467,376 1,136,741 1,415,571
Operational expenses 29,543 38,494 77,010 128,582
Underwriting income (loss) (134,532) (21,322) (183,195) (213,184)
Net claims and claim expenses incurred – current accident year 994,337 1,008,702 2,786,884 3,191,206
Net claims and claim expenses incurred – prior accident years (2,113) 3,622 54,660 (8,328)
Total net incurred $ 992,224 $ 1,012,324 $ 2,841,544 $ 3,182,878
Net claims and claim expense ratio – current accident year 78.20% 67.40% 72.00% 70.70%
Net claims and claim expense ratio – prior accident years (0.20%) 0.20% 1.40% (0.20%)
Net claims and claim expense ratio – calendar year 78.00% 67.60% 73.40% 70.50%
Underwriting expense ratio 32.60% 33.80% 31.30% 34.20%
Combined ratio 110.60% 101.40% 104.70% 104.70%