CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Statement Of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	49,083,039	48,750,533
Treasury stock, shares	16,582	16,582