Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Net premiums earned	$ 922,574	$ 870,245
Net investment income	34,495	34,174
Net realized investment (losses) gains	(251,320)	111,074
Other	2,562	2,250
Total revenues	708,311	1,017,743
Expenses:
Losses and loss adjustment expenses	651,670	630,416
Policy acquisition costs	156,533	148,413
Other operating expenses	76,557	67,489
Interest	4,256	4,256
Total expenses	889,016	850,574
(Loss) income before income taxes	(180,705)	167,169
Income tax (benefit) expense	(41,501)	31,302
Net (loss) income	$ (139,204)	$ 135,867
Net income per share:
Basic (in dollars per share)	$ (2.51)	$ 2.46
Diluted (in dollars per share)	$ (2.51)	$ 2.45
Weighted average shares outstanding:
Basic (in shares)	55,358	55,341
Diluted (in shares)	55,358	55,348