CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Premiums written:
Direct	$ 280,172	$ 272,990	$ 846,700	$ 830,938
Assumed	2,477	2,137	6,810	8,895
Ceded	(35,039)	(47,173)	(122,664)	(144,487)
Net premiums written	247,610	227,954	730,846	695,346
Decrease in unearned premiums, net	7,234	28,159	30,582	65,230
Net premiums earned	254,844	256,113	761,428	760,576
Investment income, net of expenses	38,282	37,252	117,304	118,278
Net realized investment gains	1,009	2,259	5,397	10,851
Other revenue	1,611	380	7,426	7,160
Total revenues	295,746	296,004	891,555	896,865
Losses and expenses:
Losses incurred, net	20,766	40,686	89,566	319,016
Amortization of deferred policy acquisition costs	3,295	3,278	9,016	8,697
Other underwriting and operating expenses, net	53,942	45,250	155,763	131,785
Loss on debt extinguishment	0	26,736	0	26,736
Interest expense	18,011	15,725	53,993	41,580
Total losses and expenses	96,014	131,675	308,338	527,814
Income before tax	199,732	164,329	583,217	369,051
Provision for income taxes	41,755	33,518	122,168	74,388
Net income	$ 157,977	$ 130,811	$ 461,049	$ 294,663
Earnings per share:
Basic (in dollars per share)	$ 0.47	$ 0.39	$ 1.36	$ 0.87
Diluted (in dollars per share)	$ 0.46	$ 0.38	$ 1.33	$ 0.85
Weighted average common shares outstanding - basic (in shares)	335,938	338,598	338,045	340,408
Weighted average common shares outstanding - diluted (in shares)	353,557	357,195	355,481	360,389