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CORE DEPOSIT INTANGIBLES
12 Months Ended
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
CORE DEPOSIT INTANGIBLES
CORE DEPOSIT INTANGIBLES
Changes in the carrying amount of core deposit intangibles in the accompanying consolidated balance sheets as of December 31 are summarized as follows:
 
2018
 
2017
Beginning of year
$
2,724

 
$
3,308

Effect of acquisitions
2,700

 

Amortization
(718
)
 
(584
)
End of year
$
4,706

 
$
2,724


Accumulated amortization was $3,825 and $3,107 at December 31, 2018 and 2017, respectively. Amortization expense related to core deposit intangibles was $718, $584 and $580 during the years ended December 31, 2018, 2017 and 2016, respectively. The estimated aggregate future amortization expense for core deposit intangibles remaining as of December 31, 2018 was as follows:
Year Ended December 31,
Amount  
2019
$
853

2020
853

2021
687

2022
453

2023
441

Thereafter
1,419

 
$
4,706