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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
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):

 

 

 

Years Ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Numerator for EPS:

 

 

 

 

 

 

 

 

 

 

 

 

Net income

 

$

106,935

 

 

$

99,410

 

 

$

106,484

 

Less: Preferred stock dividends

 

 

(10

)

 

 

(10

)

 

 

(10

)

Income available to common stockholders

 

$

106,925

 

 

$

99,400

 

 

$

106,474

 

Denominator for EPS:

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average common shares outstanding

 

 

34,841

 

 

 

34,919

 

 

 

34,799

 

Plus: Assumed conversion of share-based compensation (1)

 

 

943

 

 

 

706

 

 

 

1,056

 

  Assumed conversion of preferred stock

 

 

25

 

 

 

25

 

 

 

29

 

Weighted average diluted common shares outstanding

 

 

35,809

 

 

 

35,650

 

 

 

35,884

 

Basic earnings per common share

 

$

3.07

 

 

$

2.85

 

 

$

3.06

 

Diluted earnings per common share

 

$

2.99

 

 

$

2.79

 

 

$

2.97

 

Weighted average number of antidilutive shares

 

 

1,504

 

 

 

1,583

 

 

 

311

 

 

(1)

Represents the dilutive effect of unexercised Stock Options, unvested Performance Share Units, and unvested Restricted Stock.