INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes	$ 1,683		$ (997)	$ (18,770)	$ (664)
Effective tax rate (benefit) provision	14.20%		(19.50%)	(8.10%)	(3.50%)
CARES ACT tax benefit				$ 7,300
Goodwill impairment loss, non-deductible for tax purposes				30,500
Deferred tax asset, increase (decrease), related to goodwill impairment and net operating loss				22,400
Income Tax Contingency [Line Items]
Impairment loss	$ 0		$ 0	(191,788)	$ 0
IHT
Income Tax Contingency [Line Items]
Impairment loss		$ (191,800)		$ (191,788)