INCOME TAXES (Schedule of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
INCOME TAXES [Abstract]
Tax at federal statutory rate	21.00%	35.00%
Tax effect of:
Tax-exempt income	(0.50%)	(1.00%)
Other non-deductible expenses	0.20%	0.10%
State income taxes, net of federal benefit	5.20%	5.10%
Tax impact from enacted change in tax rate		7.60%
Other	(0.50%)	1.80%
Actual income tax expense (benefit) rate	25.40%	48.60%