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Note 18 - Intangible Assets and Goodwill
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Goodwill and Intangible Assets Disclosure [Text Block]
Note
1
8
. Intangible Assets and Goodwill
In accounting for goodwill and intangible assets, the Company conducts an impairment review at least annually and more frequently if certain impairment indicators are evident. Accounting guidance provides the option of performing a preliminary assessment of qualitative factors before performing more substantial testing for impairment. If the preliminary assessment indicates that it is more likely than
not
that fair value is below carrying value, a
two
-step test is employed to determine impairment. The Company opted
not
to perform the preliminary assessment and employed the
two
-step test to determine impairment. Based on the testing for impairment of goodwill and intangible assets, there were
no
impairment charges for
2017,
2016
or
2015.
 
Information concerning goodwill and intangible assets for years ended
December 31, 2017
and
2016
is presented in the following table:
 
   
Gross
Carrying Value
   
Accumulated
Amortization
   
Net
Carrying Value
 
December 31, 20
17
 
 
 
 
 
 
 
 
 
 
 
 
Amortizable core deposit intangibles
 
$
16,257
   
$
16,207
   
$
50
 
Unamortizable goodwill
 
 
5,848
   
 
---
   
 
5,848
 
Intangible assets and goodwill
 
$
22,105
   
$
16,207
   
$
5,898
 
                         
December 31, 20
16
                       
Amortizable core deposit intangibles
  $
16,257
    $
16,139
    $
118
 
Unamortizable goodwill
   
5,848
     
---
     
5,848
 
Intangible assets and goodwill
  $
22,105
    $
16,139
    $
5,966
 
 
As of
December 31, 2017,
the estimated amortization expense of core deposit intangibles are as follows:
 
201
8
   
50
 
Thereafter
   
---
 
Total
  $
50