DISPOSITION OF THE CORE BUSINESS - Cash Flows Associated with Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Discontinued Operations and Disposal Groups [Abstract]
Net Income from discontinued operations	$ 69,612	$ 74,134	$ 0	$ 73,503	$ 8,620
Depreciation and amortization			0	126	529
Change in current assets from discontinued operations			0	(2,378)	362
Change in non current assets from discontinued liabilities			0	(1,997)	(632)
Change in current liabilities from discontinued operations			0	(1,021)	(1,451)
Net cash provided by operating activities			$ 0	$ 68,233	$ 7,428