INCOME TAXES FIN 48 accruals (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Gross unrecognized tax benefits excluding interest and penalties	$ 1,574	$ 1,311
Amount presented as a reduction to a deferred tax asset	180	195
Unrecognized tax benefits, excluding interest and penalties	1,394	1,116
Accrued interest and penalties	588	566
Total unrecognized tax benefits that would impact the effective tax rate	$ 1,982	$ 1,682