Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Net premiums earned	$ 767,085	$ 720,737
Net investment income	29,655	31,506
Net realized investment gains (losses)	25,057	(9,961)
Other	2,123	2,266
Total revenues	823,920	744,548
Expenses:
Losses and loss adjustment expenses	594,082	514,400
Policy acquisition costs	141,560	133,847
Other operating expenses	61,294	65,692
Interest	950	750
Total expenses	797,886	714,689
Income before income taxes	26,034	29,859
Income tax expense	2,711	3,694
Net income	$ 23,323	$ 26,165
Net income per share:
Basic (in dollars per share)	$ 0.42	$ 0.47
Diluted (in dollars per share)	$ 0.42	$ 0.47
Weighted average shares outstanding:
Basic (in shares)	55,201	55,139
Diluted (in shares)	55,208	55,159
Dividends paid per share (in dollars per share)	$ 0.62	$ 0.6175