CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
REVENUES
Premiums earned (affiliated $137,419 and $131,932)	$ 138,731	$ 133,080
Investment income, net	11,206	11,855
Net realized investment gains, excluding impairment losses on securities available-for-sale	1,401	1,578
Total other-than-temporary impairment losses on securities available-for-sale	(618)	(316)
Portion of other-than-temporary impairment losses on fixed maturity securities available-for-sale reclassified from other comprehensive income (before taxes)	0	0
Net impairment losses on securities available-for-sale	(618)	(316)
Net realized investment gains	783	1,262
Other income (affiliated $657 and $129)	1,615	34
Total revenues	152,335	146,231
LOSSES AND EXPENSES
Losses and settlement expenses (affiliated $75,272 and $88,691)	75,785	88,969
Dividends to policyholders (all affiliated)	2,900	1,716
Amortization of deferred policy acquisition costs (affiliated $25,212 and $24,429)	25,441	24,615
Other underwriting expenses (all affiliated)	17,521	15,430
Interest expense (all affiliated)	84	84
Other expense (affiliated $441 and $324)	667	528
Total losses and expenses	122,398	131,342
Income before income tax expense	29,937	14,889
INCOME TAX EXPENSE
Current	9,205	4,102
Deferred	402	192
Total income tax expense	9,607	4,294
Net income	$ 20,330	$ 10,595
Net income per common share - basic and diluted	$ 1.49	$ 0.79
Dividend per common share	$ 0.25	$ 0.23
Average number of common shares outstanding - basic and diluted (in shares)	13,624,201	13,348,730