Consolidated Statements Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
REVENUES:
Net premiums written	$ 3,133,302	$ 2,851,291
Change in net unearned premiums	(120,921)	(86,944)
Net premiums earned	3,012,381	2,764,347
Net investment income	360,292	319,839
Net realized and unrealized gains on investments	15,711	11,503
Change in allowance for expected credit losses on investments	644	14,277
Net investment gains	16,355	25,780
Revenues from non-insurance businesses	128,909	120,992
Insurance service fees	28,929	25,319
Other income	533	496
Total revenues	3,547,399	3,256,773
OPERATING COSTS AND EXPENSES:
Losses and loss expenses	1,900,792	1,663,778
Other operating costs and expenses	949,910	868,589
Expenses from non-insurance businesses	126,364	118,607
Interest expense	31,727	31,728
Total	3,008,793	2,682,702
Income before income taxes	538,606	574,071
Income tax expense	(121,257)	(132,036)
Net income before noncontrolling interests	417,349	442,035
Noncontrolling interests	222	436
Net Income (Loss) to Common Stockholders	$ 417,571	$ 442,471
NET INCOME PER SHARE:
Basic (in dollar per share)	$ 1.05	$ 1.10
Diluted (in dollar per share)	$ 1.04	$ 1.09