Unaudited Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues
Net premiums earned	$ 62,905	$ 61,775	$ 126,747	$ 122,873
Net investment income	2,090	1,985	4,383	4,395
Commissions and other income	1,732	1,539	3,087	2,922
Net realized gains on investments, excluding impairment losses	8,089	787	12,264	15,140
Total other-than-temporary impairment losses on investments	0	(68)	(105)	(74)
Net realized gains on investments	8,089	719	12,159	15,066
Total revenue	74,816	66,018	146,376	145,256
Expenses
Losses and loss expenses incurred	40,282	38,343	79,571	72,876
Other operating expenses	20,497	20,413	43,329	42,439
Total expenses	60,779	58,756	122,900	115,315
Income before federal income taxes	14,037	7,262	23,476	29,941
Federal income taxes	4,697	2,355	7,775	10,091
Net income	$ 9,340	$ 4,907	$ 15,701	$ 19,850
Per share data:
Basic and diluted earnings (in dollars per share)	$ 0.62	$ 0.33	$ 1.05	$ 1.33
Dividends paid to shareholders (in dollars per share)	$ 0.25	$ 0.25	$ 0.50	$ 0.50
Reconciliation of shares outstanding:
Average shares outstanding - basic (in shares)	14,967	14,910	14,957	14,894
Dilutive effect of share equivalents (in shares)	4	8	14	24
Average shares outstanding - diluted (in shares)	14,971	14,918	14,971	14,918