Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Fixed maturity securities, fair value	$ 625,783	$ 561,179
Fixed maturity securities, cost	314,307	244,409
Equity securities, cost	$ 3,446	$ 9,482
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	20,066,075	19,855,430
Common stock, shares outstanding	18,807,825	18,597,180
Treasury stock, shares	1,258,250	1,258,250