Intangible Assets - Components (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 120,171	$ 122,353
Accumulated amortization	(104,977)	(101,021)
Net	15,194	21,332
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	1,628	1,628
Accumulated amortization	(1,267)	(1,107)
Net	361	521
Artist Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	11,719	11,719
Accumulated amortization	(10,077)	(8,340)
Net	1,642	3,379
Media content
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	93,613	95,785
Accumulated amortization	(86,240)	(85,018)
Net	7,373	10,767
Technology
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	5,854	5,854
Accumulated amortization	(3,356)	(2,842)
Net	2,498	3,012
Non-compete agreements
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	217	217
Accumulated amortization	(197)	(160)
Net	20	57
Trade Names
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	7,140	7,150
Accumulated amortization	(3,840)	(3,554)
Net	$ 3,300	$ 3,596