INCOME TAXES (Effective Federal and State Tax Rates to Income before Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Tax Disclosure [Abstract]
Computed expected tax expense provision, at federal rate	$ 2,020	$ 1,360
State tax, net of federal tax benefit	401	53
Other	(50)	22
Total income tax expense	$ 2,371	$ 1,435