Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Additional Information (Detail)

v2.4.0.8
Earnings Per Share - Additional Information (Detail)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Earnings Per Share (Textual) [Abstract]    
Option to purchase shares, anti-dilutive 4,542,350 1,018,900