Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Condensed Consolidated Balance Sheets
Fixed maturity securities, fair value	$ 676,050	$ 683,463
Fixed maturity securities, cost	53,167	21,865
Equity securities, cost	$ 1,090	$ 1,687
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	19,287,912	19,060,649
Common stock, shares outstanding	18,420,242	18,352,041
Treasury stock, at cost	867,670	708,608