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SECURITIES - Quantitative Disclosure of Available For Sale of Securities (Details)
Mar. 31, 2021
Dec. 31, 2020
Number of securities with unrealized losses [Abstract]    
Number of available-for-sale securities in unrealized loss positions, less than 12 months 70 7
Number of available-for-sale securities in unrealized loss positions, 12 months or more 0 1
Available-for-sale, Securities in Unrealized Loss Positions, Number of Positions 70 8
U.S. government sponsored agencies    
Number of securities with unrealized losses [Abstract]    
Number of available-for-sale securities in unrealized loss positions, less than 12 months 6 3
Number of available-for-sale securities in unrealized loss positions, 12 months or more 0 0
Available-for-sale, Securities in Unrealized Loss Positions, Number of Positions 6 3
Mortgage-backed securities residential [Member]    
Number of securities with unrealized losses [Abstract]    
Number of available-for-sale securities in unrealized loss positions, less than 12 months 18 2
Number of available-for-sale securities in unrealized loss positions, 12 months or more 0 1
Available-for-sale, Securities in Unrealized Loss Positions, Number of Positions 18 3
Mortgage-backed securities commercial [Member]    
Number of securities with unrealized losses [Abstract]    
Number of available-for-sale securities in unrealized loss positions, less than 12 months 1 0
Number of available-for-sale securities in unrealized loss positions, 12 months or more 0 0
Available-for-sale, Securities in Unrealized Loss Positions, Number of Positions 1 0
State and Municipal Securities [Member]    
Number of securities with unrealized losses [Abstract]    
Number of available-for-sale securities in unrealized loss positions, less than 12 months 45 2
Number of available-for-sale securities in unrealized loss positions, 12 months or more 0 0
Available-for-sale, Securities in Unrealized Loss Positions, Number of Positions 45 2