CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Fixed maturities, amortized cost $ 628,209 $ 564,319
Common Stock - Class A    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares issued (in shares) 59,138,663 58,807,825
Common stock, shares outstanding (in shares) 59,138,663 58,807,825
Common stock, shares authorized (in shares) 250,000,000 250,000,000