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 6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Earnings Per Share [Abstract]    
Antidilutive securities excluded from computation of diluted earnings per common share 644,000 639,000