INCOME TAXES, Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Components of effective federal and state tax rates to income before provision for income tax benefit [Abstract]
Computed expected tax expense provision, at federal rate	$ 5,389	$ 5,248
State tax, net of federal tax benefit	534	543
Other	(128)	(80)
Total income taxes	5,795	$ 5,711
Uncertain tax positions	$ 0		$ 0