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INVESTMENT SECURITIES, Gross Gains and Losses, Available for Sale Securities (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
Security
Dec. 31, 2019
USD ($)
Security
Dec. 31, 2018
USD ($)
Security
Debt Securities, Available-for-sale, Sale [Abstract]      
Proceeds from sale of securities available-for-sale $ 23,415,000 $ 10,489,000 $ 27,149,000
Gross gains and losses available-for-sale securities [Abstract]      
Gross gains on available for sale securities 344,000 25,000 160,000
Gross losses on available for sale securities (39,000) (1,000) (179,000)
Net (losses) gains 305,000 24,000 (19,000)
Equity securities [Abstract]      
Net gains (losses) recognized in equity securities during the period (109,000) 120,000 0
Less: Net gains realized on the sale of equity securities during the period 68,000 0 0
Net unrealized gains (losses) (41,000) 120,000 0
Investment securities pledged as collateral 245,351,000 209,096,000  
U.S. Agency Securities [Member]      
Gross gains and losses available-for-sale securities [Abstract]      
Gross gains on available for sale securities   1,000  
Gross losses on available for sale securities   $ (1,000) $ (179,000)
Equity securities [Abstract]      
Available-for-sale securities sold at a gross gain | Security   2  
Available-for-sale securities sold at a gross loss | Security   1 7
U.S. Treasuries [Member]      
Gross gains and losses available-for-sale securities [Abstract]      
Gross gains on available for sale securities   $ 24,000  
Equity securities [Abstract]      
Available-for-sale securities sold at a gross gain | Security   4  
Obligations of State and Political Subdivisions [Member]      
Gross gains and losses available-for-sale securities [Abstract]      
Gross gains on available for sale securities     $ 160,000
Equity securities [Abstract]      
Available-for-sale securities sold at a gross gain | Security     14
Mortgage-backed Securities in Government Sponsored Entities [Member]      
Gross gains and losses available-for-sale securities [Abstract]      
Gross gains on available for sale securities 344,000    
Gross losses on available for sale securities $ (39,000)    
Equity securities [Abstract]      
Available-for-sale securities sold at a gross gain | Security 17    
Available-for-sale securities sold at a gross loss | Security 2