INCOME TAXES (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Activity related to unrecognized tax benefits
Beginning Balance	$ 7,125	$ 5,020
Additions for tax positions of prior years	2,105	343
Reductions for tax positions of prior years	0	0
Additions for tax positions of current year	0	0
Settlements	0	0
Ending Balance	5,020	4,677
Increase in unrecognized tax benefits reserve for the California enterprise zone net interest deduction	2,100	343
ASC 740-10 liability	8,900	7,200
Total amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate	4,600	3,300
Accrued interest and penalties expense for unrecognized tax positions	(460)	597	$ (744)
Total interest and penalties accrued	$ 1,800	$ 2,200