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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2017
Accounting Policies [Abstract]  
Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share Calculations
The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per share calculations for the three and nine months ended September 30, 2017 and 2016 (dollars in thousands, except per share amounts):
 
 
Three months ended September 30,
 
 
 
2017
 
2016
 
 
 
Net
Income
 
Weighted
Average
Common
Shares
Outstanding
 
Per
Share
Amount
 
Net
Income
 
Weighted
Average
Common
Shares
Outstanding
 
Per
Share
Amount
 
Net income
 
$
26,575

 
 
 
 
 
$
22,906

 
 
 
 
 
Basic earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
Income available to common stockholders
 
$
26,575

 
64,454,684

 
$
0.41

 
$
22,906

 
63,728,393

 
$
0.36

 
Dilutive shares
 
 
 
190,594

 
 
 
 
 
206,493

 
 
 
Diluted earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
Income available to common stockholders
 
$
26,575

 
64,645,278

 
$
0.41

 
$
22,906

 
63,934,886

 
$
0.36

 

 
 
Nine months ended September 30,
 
 
 
2017
 
2016
 
 
 
Net
Income
 
Weighted
Average
Common
Shares
Outstanding
 
Per
Share
Amount
 
Net
Income
 
Weighted
Average
Common
Shares
Outstanding
 
Per
Share
Amount
 
Net income
 
$
74,466

 
 
 
 
 
$
65,235

 
 
 
 
 
Basic earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
Income available to common stockholders
 
$
74,466

 
64,327,640

 
$
1.16

 
$
65,235

 
63,545,065

 
$
1.03

 
Dilutive shares
 
 
 
192,070

 
 
 
 
 
182,658

 
 
 
Diluted earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
Income available to common stockholders
 
$
74,466

 
64,519,710

 
$
1.15

 
$
65,235

 
63,727,723

 
$
1.02