v3.19.1
INCOME TAXES (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2017
Mar. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Additional income tax expense $ 19,200    
Deferred tax expense 10,300    
Decrease in deferred tax assets 3,900    
Unrecognized tax benefits $ 579 $ 9,532 $ 8,499