XML 28 R43.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings Per Share - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Components Of Basic And Diluted Earning Per Share [Line Items]        
Potentially dilutive stock options to purchase shares 1,207 0 6,183 0