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Deposits (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Customer
Dec. 31, 2017
USD ($)
Deposits [Abstract]    
Time deposits threshold $ 250  
Aggregate amount of time deposits in denominations of $250 thousand or more $ 43,400 $ 39,900
Number of single customer relationships that exceeded deposit limit | Customer 0  
Percentage of total deposits 5.00%  
Maturities of time deposits [Abstract]    
2019 $ 100,140  
2020 64,152  
2021 27,930  
2022 17,051  
2023 19,691  
Total $ 228,964 $ 212,825