INCOME TAXES - Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Effective Income Tax Rate Reconciliation, Amount
Tax at Federal tax rate	$ 6,689	$ 3,346	$ 674
Tax effect of:
State income tax	1,197	246	50
Tax exempt earnings	(1,097)	(566)	(820)
Income tax expense (benefit)	$ 6,789	$ 3,026	$ (96)
Effective Income Tax Rate Reconciliation, Percent
Tax at Federal tax rate	34.00%	34.00%	34.00%
Tax effect of:
State income tax	6.00%	2.50%	2.50%
Tax exempt earnings	(5.50%)	(5.80%)	(41.30%)
Income tax expense (benefit)	34.50%	30.70%	(4.80%)