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Fair Value of Assets and Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
State and political subdivisions [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring $ 10,223 $ 11,356
Interest Rate Contracts Liabilities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Liabilities, Fair Value, Recurring (2,622) (687)
Interest rate contracts - assets [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring 2,622 687
Us Treasury and Government [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring 16,734 18,670
Mortgage-backed securities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring 58,304 60,943
Level 1 [Member] | State and political subdivisions [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring
Level 1 [Member] | Interest Rate Contracts Liabilities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Liabilities, Fair Value, Recurring
Level 1 [Member] | Us Treasury and Government [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring
Level 1 [Member] | Mortgage-backed securities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring
Level 2 [Member] | State and political subdivisions [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring 10,223 11,356
Level 2 [Member] | Interest Rate Contracts Liabilities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Liabilities, Fair Value, Recurring (2,622) (687)
Level 2 [Member] | Interest rate contracts - assets [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring 2,622 687
Level 2 [Member] | Us Treasury and Government [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring 16,734 18,670
Level 2 [Member] | Mortgage-backed securities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring 58,304 60,943
Level 3 [Member] | State and political subdivisions [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring
Level 3 [Member] | Interest Rate Contracts Liabilities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Liabilities, Fair Value, Recurring
Level 3 [Member] | Interest rate contracts - assets [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring  
Liabilities, Fair Value, Recurring  
Level 3 [Member] | Us Treasury and Government [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring
Level 3 [Member] | Mortgage-backed securities [Member]    
Summary of fair value measurements of assets measured at fair value on a recurring basis    
Assets, Fair value, Recurring