INVESTMENT SECURITIES - Schedule of Gain (Loss) on Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Net realized gains on sales of securities available for sale	$ 89	$ 37	$ 94
Unrealized holding losses on equity securities	(126)	0	0
Total gain (loss) on securities	$ (37)	$ 37	$ 94