XML 96 R59.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Basic earnings per common share computation                      
Net Income $ 4,728 $ 4,703 $ 2,951 $ 4,297 $ 3,890 $ 4,563 $ 4,336 $ 4,347 $ 16,679 $ 17,136 $ 15,104
Net earnings allocated to participating securities                 (73) (62) (42)
Net earnings allocated to common stock                 16,606 17,074 15,062
Weighted average common shares outstanding, including shares considered participating securities                 12,929 12,441 12,306
Less: Average participating securities                 (50) (41) (33)
Weighted average shares                 12,879 12,400 12,273
Basic earnings per common share $ 0.33 $ 0.38 $ 0.24 $ 0.34 $ 0.31 $ 0.37 $ 0.35 $ 0.35 $ 1.29 $ 1.38 $ 1.23
Diluted earnings per common share computation                      
Net earnings allocated to common stock                 16,606 17,074 15,062
Weighted average common shares outstanding for basic earnings per common share                 12,879 12,400 12,273
Add: Dilutive effects of assumed exercises of stock options                 2 3 6
Weighted average shares and dilutive potential common shares                 12,881 12,403 12,279
Diluted earnings per common share $ 0.33 $ 0.38 $ 0.24 $ 0.34 $ 0.31 $ 0.37 $ 0.35 $ 0.35 $ 1.29 $ 1.38 $ 1.23
Distributed Earnings Allocated to Common Stock [Member]
                      
Basic earnings per common share computation                      
Net earnings allocated to common stock                 8,532 8,182 8,101
Undistributed Earnings Allocated to Common Stock [Member]
                      
Basic earnings per common share computation                      
Net earnings allocated to common stock                 $ 8,074 $ 8,892 $ 6,961