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CALCULATION OF EARNINGS PER COMMON SHARE
 12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
CALCULATION OF EARNINGS PER COMMON SHARE  CALCULATION OF EARNINGS PER COMMON SHARE

The following tables show the calculation of earnings per common share (in thousands, except per share data):
 
Years Ended December 31
 
2019
 
2018
 
2017
Net income
$
146,278

 
$
136,515

 
$
60,776

Weighted average number of common shares outstanding
 
 
 
 
 
Basic
34,868,434

 
32,784,724

 
32,888,007

Diluted
34,967,684

 
32,894,425

 
32,986,707

Earnings per common share
 
 
 
 
 
Basic
$
4.20

 
$
4.16

 
$
1.85

Diluted
$
4.18

 
$
4.15

 
$
1.84



At December 31, 2019, 2018 and 2017 there were 367,230, 315,301, and 302,077, respectively, of issued but unvested restricted stock shares and units that were included in the computation of diluted earnings per share.