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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Fixed income securities, amortized cost $ 4,869,500 $ 4,514,878
ERROR in label resolution. 64,556 64,378
Short-term investments, amortized cost 364,784 360,069
Other investments $ 290,723 $ 240,969
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 130,000,000 130,000,000
Common stock, shares issued 45,036,587 45,005,932
Common stock, shares outstanding 45,036,587 45,005,932
Treasury stock, shares 16,066 2,459