DISCONTINUED OPERATIONS - Statement of operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Discontinued operations unaudited condensed consolidated statement of operations
Interest expense	$ 0
(Loss) income from discontinued operations	(1,314)	$ (120,574)
Sale | MSLO
Discontinued operations unaudited condensed consolidated statement of operations
Net revenue		11,388
Operating expenses		7,225
Impairment charges		161,224
Loss on sale of MSLO	1,592
(Loss) income from operations	(1,592)	(157,061)
Other expense (income)	124	100
Interest expense		1,801
(Loss) income from discontinued operations before income taxes	(1,716)	(158,962)
(Benefit from) provision for income taxes	(402)	(38,388)
(Loss) income from discontinued operations	$ (1,314)	$ (120,574)