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Disclosures About Fair Value of Assets and Liabilities (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
Loans
Dec. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Loans
Disclosures About Fair Value of Assets and Liabilities (Textual)          
Other real estate owned written down amount     $ 577   $ 117
Impairment charge     $ 8 $ 23  
Number of impairment loans | Loans     7   7
Other Real Estate Owned [Member]          
Disclosures About Fair Value of Assets and Liabilities (Textual)          
Other real estate owned written down amount $ 24 $ 54 $ 24 $ 36