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Goodwill and Other Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2020
Goodwill and Other Intangible Assets [Abstract]  
Summary of Goodwill
A summary of goodwill is as follows:

(In thousands)
     
January 1, 2020
 
$
274,769
 
Goodwill acquired
   
5,772
 
December 31, 2020
 
$
280,541
 
         
January 1, 2019
 
$
274,769
 
Goodwill acquired
   
-
 
December 31, 2019
 
$
274,769
 
Summary of Core Deposit and Other Intangible Assets
A summary of core deposit and other intangible assets follows:

 
December 31,
 
(In thousands)
 
2020
   
2019
 
Core deposit intangibles:
           
Gross carrying amount
 
$
8,951
   
$
8,951
 
Less: accumulated amortization
   
8,463
     
7,988
 
Net carrying amount
 
$
488
   
$
963
 
                 
Identified intangible assets:
               
Gross carrying amount
 
$
27,057
   
$
34,623
 
Less: accumulated amortization
   
15,810
     
23,566
 
Net carrying amount
 
$
11,247
   
$
11,057
 
                 
Total intangibles:
               
Gross carrying amount
 
$
36,008
   
$
43,574
 
Less: accumulated amortization
   
24,273
     
31,554
 
Net carrying amount
 
$
11,735
   
$
12,020