INCOME TAXES (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current tax expense (benefit):
Federal	$ 4,047	$ 525	$ 247
State		19	287
Current income tax expense (benefit), total	4,047	544	534
Deferred income tax expense (benefit):
Federal	2,903	4,486	3,369
State	1,573	1,231	505
Deferred income tax expense (benefit), total	4,476	5,717	3,874
Total income tax expense (benefit)	$ 8,523	$ 6,261	$ 4,408