CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	55,302,325	54,884,542
Treasury stock, shares (in shares)	16,582	16,582