XML 66 R53.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Share Reconciliation - Schedule of Earnings Per Common Share Reconciliation (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Earnings per common share:    
Net earnings $ 28,504 $ 23,391
Less: Net earnings allocated to restricted stock 112 104
Net earnings allocated to common shareholders $ 28,392 $ 23,287
Weighted average shares outstanding 108,339 106,392
Basic earnings per common share $ 0.26 $ 0.22
Diluted earnings per common share:    
Net income allocated to common shareholders $ 28,392 $ 23,287
Weighted average shares outstanding 108,339 106,392
Incremental shares from assumed exercise of outstanding options 467 392
Diluted weighted average shares outstanding 108,806 106,784
Diluted earnings per common share $ 0.26 $ 0.22