Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of finite-lived intangible assets

The changes in the carrying amount of intangible assets during the year ended December 31, 2018 is as follows:

	2018
Balance at January 1	$	15,120
Amortization expense	(4,047		)
Intangibles assets acquired in asset acquisition	44
Foreign currency translation adjustment	(599		)
Balance at December 31	$	10,518

As of December 31, 2018, the total weighted average remaining useful lives of the definite-lived intangible assets was 3.3 years and the weighted average remaining useful lives by the definite-lived intangible asset category are as follows:

Intangible Asset	Weighted Average Remaining Useful Life in Years
Subscriber relationships	3.9
Distribution rights	9.3
Proprietary content	0.5
Favorable lease	0.5

Amortization expense related to intangible assets for the years ended years ended December 31, 2018, 2017, and 2016 was as follows:

Expense Category	2018		2017		2016
Cost of service sales	$	1,532	$	1,477	$	2,068
General administrative expense	2,515		2,835		2,888
Total amortization expense	$	4,047	$	4,312	$	4,956

The following table summarizes other intangible assets as of December 31, 2018 and 2017, respectively:

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
December 31, 2018
Subscriber relationships	$	17,570	$	10,337	$	7,233
Distribution rights	4,233		1,731		2,502
Internally developed software	2,327		2,327		—
Proprietary content	8,164		7,439		725
Intellectual property	2,284		2,284		—
Favorable lease	643		585		58
	$	35,221	$	24,703	$	10,518
December 31, 2017
Subscriber relationships	$	17,912	$	8,347	$	9,565
Distribution rights	4,385		1,450		2,935
Internally developed software	2,324		2,206		118
Proprietary content	8,223		5,908		2,315
Intellectual property	2,284		2,284		—
Favorable lease	648		461		187
	$	35,776	$	20,656	$	15,120

Schedule of finite-lived intangible assets, future amortization expense

Estimated future amortization expense for intangible assets recorded by the Company at December 31, 2018 is as follows:

Years ending December 31,	Amortization Expense
2019	$	2,957
2020	2,174
2021	2,174
2022	1,432
2023	529
Thereafter	1,252
Total amortization expense	$	10,518

Schedule of goodwill

The changes in the carrying amount of goodwill during the year ended December 31, 2018 is as follows:

	Goodwill
Balance at January 1, 2017	$	31,343
Foreign currency translation adjustment	2,529
Balance at December 31, 2017	33,872
Foreign currency translation adjustment	(1,659		)
Balance at December 31, 2018	$	32,213