INCOME TAXES (Effective Federal and State Tax Rates to Income before Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
INCOME TAXES [Abstract]
Computed expected tax expense provision, at federal rate	$ 552	$ 6,374	$ 6,604	$ 17,761
State tax, net of federal tax benefit	(148)	578	396	1,685
Other	(302)	102	(406)	73
Total income tax expense	102	$ 7,054	6,594	$ 19,519
Uncertain tax positions	$ 0		$ 0		$ 0