INCOME TAXES, Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current [Abstract]
Federal	$ 27,663	$ 30,006	$ 24,202
State and other	2,608	870	866
Deferred [Abstract]
Federal	9,604	6,867	5,806
State and other	1,112	594	1,324
Provision for income taxes	$ 40,987	$ 38,337	$ 32,198