DISCONTINUED OPERATIONS (Narrative) (Details) - USD ($)		3 Months Ended
	Jun. 10, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Discontinued Operations
(Loss) income from discontinued operations, net of tax		$ (1,314,000)	$ (120,574,000)
Interest expense		0
Revolving Credit Facility [Member]
Discontinued Operations
Mandatory prepayment	$ 109,600,000
Tranche A -1 Term Loans [Member]
Discontinued Operations
Voluntary prepayment	44,400,000
Sale | MSLO
Discontinued Operations
Cash consideration	166,000,000
Earnout on performance target achieved during first three year	$ 40,000,000
Pre-tax loss		(1,592,000)
Non-cash impairment charges			161,224,000
(Loss) income from discontinued operations, net of tax		(1,314,000)	(120,574,000)
Interest expense			1,801,000
Prepaid expenses and other current assets		$ 348,000		$ 6,839,000
Sale | MSLO | Maximum
Discontinued Operations
Transaction costs			$ 300,000