Federal Home Loan Bank (FHLB) Advances and Other Short-Term Borrowings (Details 2) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Short Term Debt [Line Items]
Short-term borrowings	$ 2,702	$ 2,499
Repurchase Agreements
Short Term Debt [Line Items]
Total collateral carrying value	2,898	5,817
Repurchase Agreements | U.S. Government-sponsored mortgage-backed securities
Short Term Debt [Line Items]
Total collateral carrying value	$ 2,898	4,729
Repurchase Agreements | U.S. Government-sponsored collateralized mortgage obligations
Short Term Debt [Line Items]
Total collateral carrying value		$ 1,088