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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Schedule of earnings per share The table below sets forth the computation of basic and diluted earnings per common share for the three years in the period ended December 31, 2019.
 
YEAR ENDED DECEMBER 31,
Dollars in thousands, except per share data
2019

2018

2017

Weighted average common shares
 
 
 
Weighted average common shares outstanding
129,735,723

125,219,773

119,739,216

Non-vested shares
(1,736,022
)
(1,927,648
)
(1,813,058
)
Weighted average common shares - basic
127,999,701

123,292,125

117,926,158

 
 
 
 
Weighted average common shares - basic
127,999,701

123,292,125

117,926,158

Dilutive effect of employee stock purchase plan
84,283

58,808

91,007

Weighted average common shares - diluted
128,083,984

123,350,933

118,017,165

 
 
 
 
Net income
$
39,185

$
69,771

$
23,092

Dividends paid on nonvested share-based awards
(2,075
)
(2,320
)
(2,149
)
Net income applicable to common stockholders
$
37,110

$
67,451

$
20,943

 
 
 
 
Basic earnings per common share
$
0.29

$
0.55

$
0.18

Diluted earnings per common share
$
0.29

$
0.55

$
0.18