INVESTMENT SECURITIES - GROSS UNREALIZED LOSSES AND LENGTH OF TIME IN LOSS POSITION (Details) $ in Thousands	Sep. 30, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Number of Securities
Number of Securities, Less Than Twelve Months | security	25	43
Number of Securities, Over Twelve Months | security	13	89
Total Number of Securities | security	38	132
Fair Value
Fair Value, Less Than Twelve Months	$ 6,981	$ 15,188
Fair Value, Over Twelve Months	9,646	42,756
Total Fair Value	16,627	57,944
Gross Unrealized Loss
Gross Unrealized Loss, Less Than Twelve Months	(28)	(152)
Gross Unrealized Loss, Over Twelve Months	(17)	(669)
Total Gross Unrealized Loss	$ (45)	$ (821)
Corporate
Number of Securities
Number of Securities, Less Than Twelve Months | security		3
Number of Securities, Over Twelve Months | security	1	5
Total Number of Securities | security	1	8
Fair Value
Fair Value, Less Than Twelve Months		$ 4,969
Fair Value, Over Twelve Months	$ 2,504	11,876
Total Fair Value	2,504	16,845
Gross Unrealized Loss
Gross Unrealized Loss, Less Than Twelve Months		(49)
Gross Unrealized Loss, Over Twelve Months	(1)	(107)
Total Gross Unrealized Loss	$ (1)	$ (156)
US Agencies
Number of Securities
Number of Securities, Less Than Twelve Months | security	1	1
Number of Securities, Over Twelve Months | security	2	6
Total Number of Securities | security	3	7
Fair Value
Fair Value, Less Than Twelve Months	$ 2,490	$ 504
Fair Value, Over Twelve Months	5,493	14,439
Total Fair Value	7,983	14,943
Gross Unrealized Loss
Gross Unrealized Loss, Less Than Twelve Months	(3)
Gross Unrealized Loss, Over Twelve Months	(8)	(232)
Total Gross Unrealized Loss	$ (11)	$ (232)
US Agencies - MBS
Number of Securities
Number of Securities, Less Than Twelve Months | security	16	20
Number of Securities, Over Twelve Months | security	9	33
Total Number of Securities | security	25	53
Fair Value
Fair Value, Less Than Twelve Months	$ 2,998	$ 3,903
Fair Value, Over Twelve Months	1,534	6,908
Total Fair Value	4,532	10,811
Gross Unrealized Loss
Gross Unrealized Loss, Less Than Twelve Months	(23)	(74)
Gross Unrealized Loss, Over Twelve Months	(7)	(186)
Total Gross Unrealized Loss	$ (30)	$ (260)
Obligations of states and political subdivisions
Number of Securities
Number of Securities, Less Than Twelve Months | security	8	19
Number of Securities, Over Twelve Months | security	1	45
Total Number of Securities | security	9	64
Fair Value
Fair Value, Less Than Twelve Months	$ 1,493	$ 5,812
Fair Value, Over Twelve Months	115	9,533
Total Fair Value	1,608	15,345
Gross Unrealized Loss
Gross Unrealized Loss, Less Than Twelve Months	(2)	(29)
Gross Unrealized Loss, Over Twelve Months	(1)	(144)
Total Gross Unrealized Loss	$ (3)	$ (173)