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Commitments and Contingencies (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Apr. 30, 2019
Long-term Purchase Commitment [Line Items]      
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability $ 235,000    
Line of credit renewed     $ 6,400,000
Borrowings 0 $ 0  
Construction      
Long-term Purchase Commitment [Line Items]      
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability 2,161,000    
Home equity line of credit      
Long-term Purchase Commitment [Line Items]      
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability 3,713,000    
Commercial lines of credit      
Long-term Purchase Commitment [Line Items]      
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability $ 2,213,000