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Fair Value Disclosures (Narrative Disclosures) (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Dec. 31, 2019
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]      
Fair value, assets, level 1 to level 2 transfers $ 0 $ 0 $ 0
Fair value, assets, level 2 to Level 1 transfers 0 0 0
Fair value, assets, transfers into level 3 0 0 0
Fair value, assets, transfers out of level 3 0 0 0
Fair value, liabilities, transfers out of level 3 0 0 0
Fair value, liabilities, level 1 to level 2 transfers 0 0 0
Fair value, liabilities, level 2 to level 1 transfers 0 0 0
Fair value, liabilities, transfers into level 3 $ 0 $ 0 0
Minimum      
Fair Value Measurement Inputs and Valuation Techniques      
Quantification of unobservable inputs for level 3 values for impaired loans 5.00% 5.00%  
Maximum      
Fair Value Measurement Inputs and Valuation Techniques      
Quantification of unobservable inputs for level 3 values for impaired loans 93.00% 93.00%  
Weighted Average      
Fair Value Measurement Inputs and Valuation Techniques      
Quantification of unobservable inputs for level 3 values for impaired loans 21.00% 21.00%  
Fair value on a non-recurring basis | Impaired loans      
Fair Value Measurement Inputs and Valuation Techniques      
Assets, Fair Value Disclosure $ 13,203,000 $ 13,203,000 $ 15,699,000