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Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Amortized intangible assets - core deposits [Abstract]    
Gross Carrying Amount $ 6,118 $ 6,118
Accumulated Amortization 4,359 $ 4,186
Summary of estimated intangible amortization [Abstract]    
Six months ending December 31, 2017 173  
2018 346  
2019 346  
2020 346  
2021 346  
2022 202  
Total $ 1,759