INVESTMENT SECURITIES AVAILABLE FOR SALE (Schedule of Securities by Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Amortized Cost
Due in one year or less	$ 5,474
Due after one year through five years	34,189
Due after five years through ten years	81,184
Due after ten years	2,797
Total	123,644
Total Amortized Cost	381,910	$ 330,560
Fair Value
Due in one year or less	5,476
Due after one year through five years	33,545
Due after five years through ten years	80,916
Due after ten years	2,798
Total	122,735
Total Fair Value	377,936	327,633
Mortgage-Backed Securities-Residential [Member]
Amortized Cost
Securities not due at a single maturity	254,383
Total Amortized Cost	254,383	244,913
Fair Value
Securities not due at a single maturity	251,362
Total Fair Value	251,362	243,116
SBA Pool Securities [Member]
Amortized Cost
Securities not due at a single maturity	3,883
Total Amortized Cost	3,883	5,262
Fair Value
Securities not due at a single maturity	3,839
Total Fair Value	$ 3,839	$ 5,205