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INVESTMENT SECURITIES (Details 3) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Net Investment Income [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value $ 96,256 $ 59,635
Less than 12 Months, Unrealized Losses (1,440) (404)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 21,350 31,138
Greater than 12 Months, Unrealized Losses (358) (429)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 117,606 90,773
Total, Unrealized Losses (1,798) (833)
US Government Agencies Debt Securities [Member]    
Net Investment Income [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 81,619 58,886
Less than 12 Months, Unrealized Losses (1,307) (403)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 21,350 31,138
Greater than 12 Months, Unrealized Losses (358) (429)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 102,969 90,024
Total, Unrealized Losses (1,665) (832)
US States and Political Subdivisions Debt Securities [Member]    
Net Investment Income [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 2,328  
Less than 12 Months, Unrealized Losses (29)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value  
Greater than 12 Months, Unrealized Losses  
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 2,328  
Total, Unrealized Losses (29)  
US Treasury Securities [Member]    
Net Investment Income [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 11,564  
Less than 12 Months, Unrealized Losses (99)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 11,564  
Total, Unrealized Losses (99)  
Corporate Debt Securities [Member]    
Net Investment Income [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 745 749
Less than 12 Months, Unrealized Losses (5) (1)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Greater than 12 Months, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 745 749
Total, Unrealized Losses $ (5) $ (1)