XML 35 R23.htm IDEA: XBRL DOCUMENT v3.2.0.727
Basic and Diluted Earnings Per Share - Summary of Basic and Diluted Shares Outstanding (Detail) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]        
Weighted average number of basic shares outstanding 7,151 7,173 7,143 7,171
Effect of dilutive securities 176 248 185 273
Weighted average number of diluted shares outstanding 7,327 7,421 7,328 7,444