INVESTMENT SECURITIES, Investment Securities by Contractual Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Securities available-for-sale, Amortized Cost [Abstract]
Due in one year or less	$ 1,996	$ 1,995
After one year through five years	5,447	4,027
After five years through ten years	19,304	13,508
After ten years	2,995	3,135
Farmer Mac class A stock	66	66
Amortized cost	29,808	22,731
Securities available for sale, Estimated Fair Value [Abstract]
Due in one year or less	1,995	1,973
After one year through five years	5,435	4,026
After five years through ten years	19,372	13,463
After ten years	2,979	3,104
Farmer Mac class A stock	146	115
Estimated fair value	29,927	22,681
Securities held to maturity, Amortized Cost [Abstract]
Due in one year or less	0	0
After one year through five years	2,086	797
After five years through ten years	6,104	5,531
After ten years	0	2,674
Amortized cost	8,190	9,002
Securities held to maturity, Estimated Fair Value [Abstract]
Due in one year or less	0	0
After one year through five years	2,221	864
After five years through ten years	6,163	5,762
After ten years	0	2,523
Estimated fair value	$ 8,384	$ 9,149