Annual report pursuant to Section 13 and 15(d)

Borrowed Funds (Details Textual)

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Borrowed Funds (Details Textual) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged $ 259.8 $ 270.8
Floating Interest Rate [Member]    
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate 2.87%  
Floating Interest Rate [Member] | Weighted Average [Member]    
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate 2.87%  
Fixed Interest Rate [Member] | Maximum [Member]    
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate 2.76%  
Fixed Interest Rate [Member] | Minimum [Member]    
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate 1.41%  
Fixed Interest Rate [Member] | Weighted Average [Member]    
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate 2.29% 1.67%
Federal Home Loan Bank Advances [Member]    
Long-term Line of Credit $ 20.0  
Line of Credit Facility, Remaining Borrowing Capacity   $ 3.2