Intangible Assets - Components (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Intangible Assets
Gross carrying amount	$ 132,229	$ 130,201
Accumulated amortization	(119,640)	(116,268)
Net carrying amount	12,589	13,933
Customer relationships
Intangible Assets
Gross carrying amount	4,003	4,003
Accumulated amortization	(3,074)	(2,219)
Net carrying amount	929	1,784
Artist relationships
Intangible Assets
Gross carrying amount	12,230	12,223
Accumulated amortization	(11,336)	(11,007)
Net carrying amount	894	1,216
Media content
Intangible Assets
Gross carrying amount	91,491	91,489
Accumulated amortization	(91,333)	(91,215)
Net carrying amount	$ 158	274
Intangibles, useful life	5 years
Technology
Intangible Assets
Gross carrying amount	$ 6,204	6,204
Accumulated amortization	(6,156)	(5,682)
Net carrying amount	48	522
Non-compete agreements
Intangible Assets
Gross carrying amount	25	25
Accumulated amortization	(25)	(25)
Trade names
Intangible Assets
Gross carrying amount	18,276	16,257
Accumulated amortization	(7,716)	(6,120)
Net carrying amount	$ 10,560	$ 10,137
Weighted Average | Customer relationships
Intangible Assets
Intangibles, useful life	3 years 8 months 12 days	3 years 8 months 12 days
Weighted Average | Artist relationships
Intangible Assets
Intangibles, useful life	4 years 1 month 6 days	4 years 1 month 6 days
Weighted Average | Media content
Intangible Assets
Intangibles, useful life	5 years 1 month 6 days	5 years 1 month 6 days
Weighted Average | Technology
Intangible Assets
Intangibles, useful life	4 years 7 months 6 days	4 years 7 months 6 days
Weighted Average | Non-compete agreements
Intangible Assets
Intangibles, useful life	3 years	3 years
Weighted Average | Trade names
Intangible Assets
Intangibles, useful life	9 years 10 months 24 days	9 years 10 months 24 days