Goodwill, Regulatory Authorizations and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of regulatory authorizations with finite and indefinite useful lives

Regulatory Authorizations included amounts with both finite and indefinite useful lives, as follows:

	As of December 31, 2017			Additions			Impairment			Currency Translation Adjustment			As of December 31, 2018
	(In thousands)
Finite useful lives:
Cost	$	92,621		$	—		$	(37,476	)	$	(8,358	)	$	46,787
Accumulated amortization	(21,342		)	(5,190		)	7,848			1,894			(16,790		)
Net	71,279			(5,190		)	(29,628		)	(6,464		)	29,997
Indefinite lives	465,657			—			—			—			465,657
Total regulatory authorizations, net	$	536,936		$	(5,190	)	$	(29,628	)	$	(6,464	)	$	495,654

Schedule of other intangible assets subject to amortization

Our other intangible assets, which are subject to amortization, consisted of the following:

	Weighted Average Useful Life (in Years)	As of December 31,
		2018							2017
		Cost		Accumulated Amortization			Carrying Amount		Cost		Accumulated Amortization			Carrying Amount
		(In thousands)
Customer relationships	8	$	270,300	$	(244,787	)	$	25,513	$	270,300	$	(231,642	)	$	38,658
Technology-based	6	61,283		(61,004		)	279		61,300		(60,927		)	373
Trademark portfolio	20	29,700		(11,261		)	18,439		29,700		(9,776		)	19,924
Total other intangible assets		$	361,283	$	(317,052	)	$	44,231	$	361,300	$	(302,345	)	$	58,955

Schedule of estimated future amortization of intangible assets

As of December 31, 2018, our estimated future amortization of intangible assets, including regulatory authorizations with finite lives, was as follows:

	Amount
	(In thousands)
For the years ending December 31,
2019	$	18,304
2020	14,663
2021	8,029
2022	5,065
2023	5,065
Thereafter	23,102
Total	$	74,228