Goodwill and Intangible Assets - Components of Intangible Assets (Details) - USD ($)
$ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Finite Lived Intangible Assets [Line Items] |
|
|
| Gross carrying amount |
$ 120,780
|
$ 122,353
|
| Accumulated amortization |
(107,810)
|
(101,021)
|
| Net |
12,970
|
21,332
|
| Customer Relationships |
|
|
| Finite Lived Intangible Assets [Line Items] |
|
|
| Gross carrying amount |
1,628
|
1,628
|
| Accumulated amortization |
(1,347)
|
(1,107)
|
| Net |
281
|
521
|
| Artist Relationships |
|
|
| Finite Lived Intangible Assets [Line Items] |
|
|
| Gross carrying amount |
11,927
|
11,719
|
| Accumulated amortization |
(10,278)
|
(8,340)
|
| Net |
1,649
|
3,379
|
| Media content |
|
|
| Finite Lived Intangible Assets [Line Items] |
|
|
| Gross carrying amount |
93,655
|
95,785
|
| Accumulated amortization |
(88,553)
|
(85,018)
|
| Net |
5,102
|
10,767
|
| Technology |
|
|
| Finite Lived Intangible Assets [Line Items] |
|
|
| Gross carrying amount |
5,854
|
5,854
|
| Accumulated amortization |
(3,603)
|
(2,842)
|
| Net |
2,251
|
3,012
|
| Non-compete agreements |
|
|
| Finite Lived Intangible Assets [Line Items] |
|
|
| Gross carrying amount |
25
|
217
|
| Accumulated amortization |
(9)
|
(160)
|
| Net |
16
|
57
|
| Trade Names |
|
|
| Finite Lived Intangible Assets [Line Items] |
|
|
| Gross carrying amount |
7,691
|
7,150
|
| Accumulated amortization |
(4,020)
|
(3,554)
|
| Net |
$ 3,671
|
$ 3,596
|