Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Net premiums earned	$ 1,090,311	$ 996,939	$ 3,129,483	$ 2,947,000
Net investment income	60,965	44,563	171,287	118,469
Net realized investment losses	(90,001)	(144,213)	(60,772)	(581,237)
Other	3,917	2,998	15,000	7,141
Total revenues	1,065,192	900,287	3,254,998	2,491,373
Expenses:
Losses and loss adjustment expenses	823,742	787,462	2,651,081	2,436,175
Policy acquisition costs	181,569	168,870	518,813	487,444
Other operating expenses	69,192	68,585	207,223	208,305
Interest	5,918	4,273	16,398	12,822
Total expenses	1,080,421	1,029,190	3,393,515	3,144,746
Loss before income taxes	(15,229)	(128,903)	(138,517)	(653,373)
Income tax benefit	(7,002)	(30,600)	(43,459)	(147,471)
Net loss	$ (8,227)	$ (98,303)	$ (95,058)	$ (505,902)
Net loss per share:
Basic (in dollars per share)	$ (0.15)	$ (1.78)	$ (1.72)	$ (9.14)
Diluted (in dollars per share)	$ (0.15)	$ (1.78)	$ (1.72)	$ (9.14)
Weighted average shares outstanding:
Basic (in shares)	55,371	55,371	55,371	55,371
Diluted (in shares)	55,371	55,371	55,371	55,371