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Deposits (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Deposits [Line Items]    
Demand accounts $ 92,574 $ 78,282
Interest checking accounts 44,390 44,256
Money market accounts 71,290 64,841
Savings accounts 26,598 19,403
Other time deposits 135,053 148,349
Total 383,277 364,848
Geographic Distribution, Domestic [Member]    
Deposits [Line Items]    
Time deposits of $250,000 and over $ 13,372 $ 9,717