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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Reconciles Numerator and Denominator of Basic and Diluted Earnings Per Share Computations

The following table reconciles the numerator (i.e., income) and denominator (i.e., shares) of the basic and diluted earnings per share computations for the periods presented (in thousands, except per share data):

 

 

Three Months Ended

 

 

Six Months Ended

 

 

June 30,

 

 

June 30,

 

 

2018

 

 

2017

 

 

2018

 

 

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.