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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Computation of basic and diluted EPS
The following tables show the computation of basic and diluted EPS for the three and six months ended June 30, 2019 and 2018.
 
Three Months Ended June 30,
 
2019

2018
 
Net Income
(Numerator)
 
Weighted-Average Shares
(Denominator)
 
Earnings
Per
Share
 
Net Income
(Numerator)
 
Weighted-Average Shares
(Denominator)
 
Earnings
Per
Share
 
(Dollars in thousands, except share and per share data)
Basic EPS - common stock
$
42,681

 
126,658,509

 
$
0.34

 
$
47,530

 
133,061,304

 
$
0.36

Effect of dilutive securities:
 
 
 
 
 
 
 
 
 
 
 
Stock options, restricted stock,
and ESPP shares
 
 
211,946

 
 
 
 
 
291,537

 
 
Diluted EPS - common stock
$
42,681

 
126,870,455

 
$
0.34

 
$
47,530

 
133,352,841

 
$
0.36

 
 
 
 
 
 
 
 
 
 
 
 
 
Six Months Ended June 30,
 
2019
 
2018
 
Net Income
(Numerator)
 
Weighted-Average Shares
(Denominator)
 
Earnings
Per
Share
 
Net Income
(Numerator)
 
Weighted-Average Shares
(Denominator)
 
Earnings
Per
Share
 
(In thousands, except share and per share data)
Basic EPS - common stock
$
85,439

 
126,649,536

 
$
0.67

 
$
98,762

 
134,283,216

 
$
0.74

Effect of dilutive securities:
 
 
 
 
 
 
 
 
 
 
 
Stock options, restricted stock,
and ESPP shares
 
 
193,334

 
 
 
 
 
293,528

 
 
Diluted EPS - common stock
$
85,439

 
126,842,870

 
$
0.67

 
$
98,762

 
134,576,744

 
$
0.73