Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Mar. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock and additional paid-in capital, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock and additional paid-in capital, shares authorized	75,000,000	75,000,000
Common stock and additional paid-in capital, shares issued	40,300,399	40,757,458
Common stock and additional paid-in capital, shares outstanding	40,300,399	40,757,458