INVESTMENT SECURITIES (Schedule of Securities with Unrealized Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	$ 9,194	$ 19,620
12 months or more, Estimated Fair Value	14,102	4,279
Total, Estimated Fair Value	23,296	23,899
Less than 12 Months, Unrealized Losses	(85)	(350)
12 months or more, Unrealized Losses	(343)	(122)
Total, Unrealized Losses	(428)	(472)
Held-to-maturity Securities
Less than 12 Months, Estimated Fair Value	3,260	6,394
12 months or more, Estimated Fair Value	2,045	0
Total, Estimated Fair Value	5,305	6,394
Less than 12 Months, Unrealized Losses	(33)	(81)
12 months or more, Unrealized Losses	(65)	0
Total, Unrealized Losses	(98)	(81)
Residential mortgage-backed securities
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	9,194	16,733
12 months or more, Estimated Fair Value	7,738	0
Total, Estimated Fair Value	16,932	16,733
Less than 12 Months, Unrealized Losses	(85)	(290)
12 months or more, Unrealized Losses	(157)	0
Total, Unrealized Losses	(242)	(290)
Held-to-maturity Securities
Less than 12 Months, Estimated Fair Value	3,260	6,394
12 months or more, Estimated Fair Value	2,045	0
Total, Estimated Fair Value	5,305	6,394
Less than 12 Months, Unrealized Losses	(33)	(81)
12 months or more, Unrealized Losses	(65)	0
Total, Unrealized Losses	(98)	(81)
Residential collateralized mortgage obligations
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	0	2,887
12 months or more, Estimated Fair Value	2,706	2,216
Total, Estimated Fair Value	2,706	5,103
Less than 12 Months, Unrealized Losses	0	(60)
12 months or more, Unrealized Losses	(103)	(70)
Total, Unrealized Losses	(103)	(130)
Commercial collateralized mortgage obligations
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	0
12 months or more, Estimated Fair Value	1,550
Total, Estimated Fair Value	1,550
Less than 12 Months, Unrealized Losses	0
12 months or more, Unrealized Losses	(31)
Total, Unrealized Losses	(31)
CRA mutual fund
Available-for-sale Securities
Less than 12 Months, Estimated Fair Value	0	0
12 months or more, Estimated Fair Value	2,108	2,063
Total, Estimated Fair Value	2,108	2,063
Less than 12 Months, Unrealized Losses	0	0
12 months or more, Unrealized Losses	(52)	(52)
Total, Unrealized Losses	$ (52)	$ (52)