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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Consolidated Balance Sheets [Abstract]    
Fixed maturity securities, fair value $ 627,349 $ 685,242
Fixed maturity securities, cost 144,514 98,077
Equity securities, cost $ 7,000 $ 11,776
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 19,513,476 19,408,512
Common stock, shares outstanding 18,255,226 18,150,262
Treasury stock, at cost 1,258,250 1,258,250