XML 68 R57.htm IDEA: XBRL DOCUMENT v3.23.3
Reinsurance (List of Direct, Assumed, and Ceded Reinsurance Amounts) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Premiums earned:        
Net $ 981,917 $ 853,879 $ 2,826,403 $ 2,500,601
Loss and loss expenses incurred:        
Net 645,897 547,826 1,859,465 1,566,930
Direct Assumed and Ceded Reinsurance Amounts [Member]        
Premiums written:        
Direct 1,214,444 1,037,612 3,579,700 3,089,166
Assumed 9,087 9,531 20,058 23,398
Ceded (165,206) (143,749) (456,758) (388,631)
Net 1,058,325 903,394 3,143,000 2,723,933
Premiums earned:        
Direct 1,123,444 984,981 3,229,170 2,872,008
Assumed 8,916 8,514 21,174 21,523
Ceded (150,443) (139,616) (423,941) (392,930)
Net 981,917 853,879 2,826,403 2,500,601
Loss and loss expenses incurred:        
Direct 741,288 732,568 2,053,511 1,821,069
Assumed 8,182 6,443 19,115 15,846
Ceded (103,573) (191,185) (213,161) (269,985)
Net $ 645,897 $ 547,826 $ 1,859,465 $ 1,566,930