INVESTMENT SECURITIES (Schedule of Securities with Unrealized Losses) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) item	Dec. 31, 2018 USD ($) item
Marketable equity securities
Number of securities of one issuer | item	0	0
Impairment loss	$ 0	$ 0
Equity securities
Marketable equity securities
12 months or more, Estimated Fair Value	2,224	2,110
12 months or more, Unrealized/Unrecognized Losses	(34)	(98)
Total, Estimated Fair Value	2,224	2,110
Total, Unrealized Losses	(34)	(98)
Available-for-sale Securities
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	32,761	10,374
Less than 12 Months, Unrealized/Unrecognized Losses	(70)	(73)
12 months or more, Estimated Fair Value	6,728	15,739
12 months or more, Unrealized/Unrecognized Losses	(65)	(535)
Total, Estimated Fair Value	39,489	26,113
Total, Unrealized/Unrecognized Losses	(135)	(608)
Held-to-maturity Securities
Held-to-maturity Securities
12 months or more, Estimated Fair Value	1,470	4,378
12 months or more, Unrealized/Unrecognized Losses	(19)	(168)
Total, Estimated Fair Value	1,470	4,378
Total, Unrealized Losses	(19)	(168)
Residential mortgage-backed securities | Available-for-sale Securities
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	22,850	10,374
Less than 12 Months, Unrealized/Unrecognized Losses	(52)	(73)
12 months or more, Estimated Fair Value	6,728	9,890
12 months or more, Unrealized/Unrecognized Losses	(65)	(510)
Total, Estimated Fair Value	29,578	20,264
Total, Unrealized/Unrecognized Losses	(117)	(583)
Residential mortgage-backed securities | Held-to-maturity Securities
Held-to-maturity Securities
12 months or more, Estimated Fair Value	1,470	4,378
12 months or more, Unrealized/Unrecognized Losses	(19)	(168)
Total, Estimated Fair Value	1,470	4,378
Total, Unrealized Losses	(19)	(168)
Commercial mortgage-backed securities issued by U.S. government sponsored entities | Available-for-sale Securities
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	9,911
Less than 12 Months, Unrealized/Unrecognized Losses	(18)
12 months or more, Estimated Fair Value		5,849
12 months or more, Unrealized/Unrecognized Losses		(25)
Total, Estimated Fair Value	9,911	5,849
Total, Unrealized/Unrecognized Losses	(18)	(25)
CRA mutual fund | Equity securities
Marketable equity securities
12 months or more, Estimated Fair Value	2,224	2,110
12 months or more, Unrealized/Unrecognized Losses	(34)	(98)
Total, Estimated Fair Value	2,224	2,110
Total, Unrealized Losses	$ (34)	$ (98)