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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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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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+ References

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-Publisher FASB
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-Topic 350
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-Section 50
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