XML 66 R53.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Share (Weighted Average Shares Oustanding Used in Calculating Basic and Diluted Net Income Per Share) (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Earnings Per Share [Abstract]        
Basic weighted-average common shares outstanding 28,133,432 27,790,639 28,025,805 27,733,288
Effect of dilutive shares 384,010 471,515 504,874 474,466
Diluted weighted-average common shares outstanding 28,517,442 28,262,154 28,530,679 28,207,754