XML 66 R53.htm IDEA: XBRL DOCUMENT v3.24.3
Segment Information - Summary of Operating Results by Segment (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
State
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
State
segment
Subsidiary
Sep. 30, 2023
USD ($)
Segment Reporting [Abstract]        
Number of insurance companies | Subsidiary     12  
Number of states in which company operates | State 11   11  
Number of reportable segments | segment     1  
Segment Reporting Information [Line Items]        
Net premiums earned $ 1,320,652 $ 1,090,311 $ 3,723,355 $ 3,129,483
Losses and loss adjustment expenses 918,439 823,742 2,759,117 2,651,081
Underwriting expenses 317,100 250,800 875,600 726,000
Underwriting gain (loss) 85,200 15,800 88,700 (247,600)
Net investment income 72,738 60,965 206,726 171,287
Net realized investment gains (losses) 114,446 (90,001) 155,536 (60,772)
Other income 22,538 3,917 23,837 15,000
Interest expense (7,717) (5,918) (23,288) (16,398)
Pre-tax income (loss) 287,064 (15,229) 451,382 (138,517)
Net income (loss) 230,856 (8,227) 366,886 (95,058)
Property & Casualty        
Segment Reporting Information [Line Items]        
Net premiums earned 1,313,282 1,082,979 3,701,347 3,107,812
Losses and loss adjustment expenses 914,000 819,700 2,746,400 2,639,400
Underwriting expenses 312,200 247,100 863,500 715,100
Underwriting gain (loss) 87,100 16,200 91,400 (246,700)
Other        
Segment Reporting Information [Line Items]        
Net premiums earned 7,400 7,300 22,100 21,700
Losses and loss adjustment expenses 4,400 4,000 12,700 11,700
Underwriting expenses 4,900 3,700 12,100 10,900
Underwriting gain (loss) $ (1,900) $ (400) $ (2,700) $ (900)