Condensed Consolidated Balance Sheets—Unaudited (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 328 $ 76
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 27,931,603 27,684,598
Common stock, shares outstanding 27,379,450 27,365,098
Treasury stock, shares 552,153 319,500