XML 76 R62.htm IDEA: XBRL DOCUMENT v3.10.0.1
Earnings Per Share - Reconciles Numerator and Denominator of Basic and Diluted Earnings Per Share Computations (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Numerator for EPS:        
Net income $ 46,084 $ 29,376 $ 86,139 $ 60,575
Less: Preferred stock dividends (2) (2) (5) (5)
Income available to common stockholders $ 46,082 $ 29,374 $ 86,134 $ 60,570
Denominator for EPS:        
Weighted average common shares outstanding 34,909 34,959 34,874 35,049
Plus: Assumed conversion of share-based compensation [1] 655 974 737 987
Assumed conversion of preferred stock 25 25 25 25
Weighted average diluted common shares outstanding 35,589 35,958 35,636 36,061
Basic earnings per common share $ 1.32 $ 0.84 $ 2.47 $ 1.73
Diluted earnings per common share $ 1.29 $ 0.82 $ 2.42 $ 1.68
[1] Represents the dilutive effect of unvested restricted stock, unvested performance share units and unexercised stock options.