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INVESTMENT SECURITIES (Held-to-maturity Securities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost $ 3,828 $ 4,850
Gross Unrealized Gains 99 42
Gross Unrealized Losses 0 20
Estimated Fair Value 3,927 4,872
Obligations of states and political subdivisions    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 980 1,701
Gross Unrealized Gains 3 0
Gross Unrealized Losses 0 3
Estimated Fair Value 983 1,698
Mortgage-backed securities    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 2,848 3,149
Gross Unrealized Gains 96 42
Gross Unrealized Losses 0 17
Estimated Fair Value $ 2,944 $ 3,174