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Advances from the Federal Home Loan Bank (Details Textual) - USD ($)
$ in Thousands
Jun. 30, 2018
Jun. 30, 2017
Advances from the Federal Home Loan Bank (Textual)    
Advances from the federal home loan bank $ 53,052  
Federal home loan bank, advances, ability to borrow total 127,400  
Federal home loan bank, advances, pledged collateral which would enable us to borrow up amount $ 5,400  
Minimum [Member]    
Advances from the Federal Home Loan Bank (Textual)    
Federal home loan bank, advances, fixed interest rate 1.57% 0.81%
Maximum [Member]    
Advances from the Federal Home Loan Bank (Textual)    
Federal home loan bank, advances, fixed interest rate 2.30% 6.20%
Weighted-average [Member]    
Advances from the Federal Home Loan Bank (Textual)    
Federal home loan bank, advances, fixed interest rate 2.03% 1.29%
Residential Mortgage Loans [Member]    
Advances from the Federal Home Loan Bank (Textual)    
Advances from the federal home loan bank $ 64,700 $ 65,300