BASIS OF PRESENTATION (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 segment	Jan. 01, 2020 USD ($)	Jan. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of reportable segments | segment	2
Cumulative effect adjustment to equity		$ 7,181	$ (14,613)
Accumulated Deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment to equity		7,181	$ (14,613)
Disposal Group, Held-for-sale, Not Discontinued Operations | Clear Media Limited | Accumulated Deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment to equity		$ (5,400)