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INCOME TAXES (Tables)
9 Months Ended
Sep. 30, 2019
Income Tax Disclosure [Abstract]  
Summary of Benefit from Income Taxes and Discrete Tax Items
Effective income tax rate
 
Nine Months Ended
September 30,
(Dollars in thousands)
2019
 
2018
(Benefit from) income taxes
$
(43,158
)
 
$
(23,692
)
Effective income tax rate
32
%
 
80
%