Intangible Assets - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 120,283	$ 122,353
Accumulated amortization	(101,976)	(101,021)
Net	18,307	21,332
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	1,628	1,628
Accumulated amortization	(1,187)	(1,107)
Net	441	521
Artist Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	11,719	11,719
Accumulated amortization	(9,209)	(8,340)
Net	2,510	3,379
Media content
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	93,725	95,785
Accumulated amortization	(84,611)	(85,018)
Net	9,114	10,767
Technology
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	5,854	5,854
Accumulated amortization	(3,088)	(2,842)
Net	2,766	3,012
Non-compete agreements
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	217	217
Accumulated amortization	(179)	(160)
Net	38	57
Trade Names
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	7,140	7,150
Accumulated amortization	(3,702)	(3,554)
Net	$ 3,438	$ 3,596