CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Investments:
Fixed maturity securities available-for-sale, amortized cost	$ 1,122,459	$ 1,080,006
Equity securities available-for-sale, cost	135,044	123,972
Deferred policy acquisition costs from affiliates	42,239	38,930
Affiliated other assets	3,175	4,900
LIABILITIES
Affiliated losses and settlement expenses	664,135	650,652
Unearned premiums from affiliates	241,397	230,460
Affiliated other liabilities	$ 20,520	$ 23,941
STOCKHOLDERS' EQUITY
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares issued (in shares)	20,653,399	20,344,409
Common stock, shares outstanding (in shares)	20,653,399	20,344,409