INVESTMENT SECURITIES, Unrealized Loss Positions (Details) $ in Thousands	Sep. 30, 2017 USD ($) Security	Dec. 31, 2016 USD ($) Security
Securities available-for-sale, continuous unrealized loss position [Abstract]
Less than twelve months, gross unrealized losses	$ 35	$ 64
Less than twelve months, fair value	8,452	11,866
More than twelve months, gross unrealized losses	58	83
More than twelve months, fair value	4,946	3,237
Total, gross unrealized losses	93	147
Total, fair value	13,398	15,103
Securities held-to-maturity, continuous unrealized loss position [Abstract]
Less than twelve months, gross unrealized losses	0	151
Less than twelve months, fair value	0	3,312
More than twelve months, gross unrealized losses	86	0
More than twelve months, fair value	2,538	0
Total, gross unrealized losses	86	151
Total, fair value	$ 2,538	$ 3,312
Securities in unrealized loss positions | Security	12	17
Equity Securities: Farmer Mac Class A Stock [Member]
Securities available-for-sale, continuous unrealized loss position [Abstract]
Less than twelve months, gross unrealized losses	$ 0	$ 0
Less than twelve months, fair value	0	0
More than twelve months, gross unrealized losses	0	0
More than twelve months, fair value	0	0
Total, gross unrealized losses	0	0
Total, fair value	0	0
U.S. Government Agency [Member] | Notes [Member]
Securities available-for-sale, continuous unrealized loss position [Abstract]
Less than twelve months, gross unrealized losses	35	29
Less than twelve months, fair value	8,452	3,936
More than twelve months, gross unrealized losses	7	33
More than twelve months, fair value	1,384	1,636
Total, gross unrealized losses	42	62
Total, fair value	9,836	5,572
U.S. Government Agency [Member] | Collateralized Mortgage Obligations ("CMO") [Member]
Securities available-for-sale, continuous unrealized loss position [Abstract]
Less than twelve months, gross unrealized losses	0	35
Less than twelve months, fair value	0	7,930
More than twelve months, gross unrealized losses	51	50
More than twelve months, fair value	3,562	1,601
Total, gross unrealized losses	51	85
Total, fair value	3,562	9,531
U.S. Government Agency [Member] | Mortgage Backed Securities ("MBS") [Member]
Securities held-to-maturity, continuous unrealized loss position [Abstract]
Less than twelve months, gross unrealized losses	0	151
Less than twelve months, fair value	0	3,312
More than twelve months, gross unrealized losses	86	0
More than twelve months, fair value	2,538	0
Total, gross unrealized losses	86	151
Total, fair value	$ 2,538	$ 3,312