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Core Deposit Intangible (Tables)
12 Months Ended
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets
The following table presents the changes in the carrying amount of core deposit intangible, gross carrying amount, accumulated amortization, and net book value:
 
December 31,
 
2018
 
2017
Balance at the beginning of the year
$
782

 
$
1,305

Amortization
(496
)
 
(523
)
Additions

 

Net Carrying Value
$
286

 
$
782

Gross carrying amount
$
5,932

 
$
5,932

Accumulated amortization
(5,646
)
 
(5,150
)
Net Carrying Value
$
286

 
$
782

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Estimated amortization expense for each of the next five years is as follows:
2019
$
184

2020
61

2021
34

2022
7

2023