CONTENT ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Content Assets [Line Items]
Period of Amortization (in years)	4 years 9 months 18 days
Produced content assets:
Completed	$ 365,806	$ 349,521
In-production	11,029	9,472
Licensed content assets acquired:
Acquired	56,913	46,515
Content assets, at cost	433,748	405,508
Less: Accumulated amortization	(342,139)	(304,745)
Content assets, net	91,609	100,763
Current portion	(28,434)	(30,642)
Noncurrent portion	$ 63,175	$ 70,121
Content Assets [Member] | Maximum [Member]
Content Assets [Line Items]
Period of Amortization (in years)	6 years
Content Assets [Member] | Minimum [Member]
Content Assets [Line Items]
Period of Amortization (in years)	1 year