Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 50,000,000
Common stock, shares issued 38,939,097 38,932,508
Common stock, shares outstanding 38,939,097 38,932,508