XML 15 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Net Income Per Share Available to Common Stock - Antidilutive Securities Excluded from Earnings Per Share (Details) (Stock options and RSAs)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Stock options and RSAs
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from earnings per share 120,000 1,396,000 1,480,000 1,416,000