CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Held for Investment, Fair Value, Total	$ 397,264	$ 202,813
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	38,068,701	34,356,892
Common stock, shares outstanding	38,025,020	34,351,409