EMPLOYEE BENEFITS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
ESOP loan		$ 499	$ 997	$ 283
Number of shares purchased (in shares)		62,014	76,526	16,000
Purchase price per share (in dollars per share)		$ 8.05	$ 13.02	$ 17.71
Total balance of ESOP loan	$ 937	$ 1,200
ESOP compensation expense	472	603	$ 720
Deferred compensation distribution	13	49
Deferred compensation liability		1,400
Deferred compensation expense	74	60	82
Defined contribution plan expense	$ 31	2	14
Defined contribution plan participation service period	90 days
Employer contribution to 401(k) retirement plan	$ 271	$ 60	$ 60