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Goodwill and Intagible Assets (Details 3) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 16,047 | $ 17,838
Finite-lived intangible assets, gross | 35,657 | 34,182
Intangible assets, accumulated amortization | 19,610 | 16,344
Finite-lived intangible assets, net | 16,047 | 17,838
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 17,825 | 16,888
Intangible assets, accumulated amortization | 7,853 | 6,431
Finite-lived intangible assets, net | 9,972 | 10,457
Distribution rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 4,367 | 4,122
Intangible assets, accumulated amortization | 1,381 | 1,180
Finite-lived intangible assets, net | 2,986 | 2,942
Internally developed software |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 2,323 | 2,301
Intangible assets, accumulated amortization | 2,134 | 1,904
Finite-lived intangible assets, net | 189 | 397
Proprietary content |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 8,211 | 7,960
Intangible assets, accumulated amortization | 5,527 | 4,431
Finite-lived intangible assets, net | $ 2,684 | 3,529
Intellectual Property [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 7 years |
Finite-lived intangible assets, gross | $ 647 | 2,284
Intangible assets, accumulated amortization | 431 | 2,056
Finite-lived intangible assets, net | 216 | 228
Off-Market Favorable Lease [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 2,284 | 627
Intangible assets, accumulated amortization | 2,284 | 342
Finite-lived intangible assets, net | $ 0 | $ 285
Headland Media Limited [Member] | Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 10 years |
Headland Media Limited [Member] | Distribution rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 15 years |
Headland Media Limited [Member] | Internally developed software |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 3 years |
Headland Media Limited [Member] | Proprietary content |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 2 years |
Videotel [Member] | Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 8 years |
Videotel [Member] | Internally developed software |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 4 years |
Videotel [Member] | Proprietary content |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 5 years |
Videotel [Member] | Off-Market Favorable Lease [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 5 years |

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