INVESTMENT SECURITIES - Schedule of Gain (Loss) on Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Net realized gains on sales of securities available for sale	$ 58	$ 89	$ 37
Unrealized holding gains (losses) on equity securities	19	(126)	0
Net realized gains on sales of other investments	61	0	0
Total gain (loss) on securities	$ 138	$ (37)	$ 37