CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Premiums written:
Direct	$ 265,823	$ 265,291
Assumed	1,288	208
Ceded	(30,409)	(34,218)
Net premiums written	236,702	231,281
Increase in unearned premiums, net	(7,599)	(9,940)
Net premiums earned	229,103	221,341
Investment income, net of expenses	29,477	27,809
Net realized investment (losses) gains	(122)	3,056
Other revenue	2,422	6,373
Total revenues	260,880	258,579
Losses and expenses:
Losses incurred, net	27,619	85,012
Amortization of deferred policy acquisition costs	2,230	1,961
Other underwriting and operating expenses, net	40,765	39,777
Interest expense	16,309	14,701
Loss on debt extinguishment	0	13,440
Total losses and expenses	86,923	154,891
Income before tax	173,957	103,688
Provision for income taxes	84,159	34,497
Net income	$ 89,798	$ 69,191
Earnings per share:
Basic (in dollars per share)	$ 0.26	$ 0.20
Diluted (in dollars per share)	$ 0.24	$ 0.17
Weighted average common shares outstanding - basic (in shares)	341,009	340,144
Weighted average common shares outstanding - diluted (in shares)	402,175	431,365