Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets, Other than Goodwill

Our intangible assets, other than goodwill, as of September 30, 2017 and December 31, 2016 were as follows (in thousands, except for weighted average remaining useful life):


	Weighted
	Average		As of September 30, 2017							As of December 31, 2016
	Remaining		Gross					Net		Gross					Net
	Useful Life		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	(in years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Amortized intangible assets:
Software		2.2	$	140,818	$	(85,490	)	$	55,328	$	118,836	$	(70,127	)	$	48,709
Service customer relationship		2.5		8,081		(5,534	)		2,547		8,081		(4,773	)		3,308
Other intangible assets		1.3		1,500		(997	)		503		1,500		(682	)		818
OEM and dealer relationships				6,724		(6,724	)		—		6,724		(6,667	)		57

Total amortized intangible assets				157,123		(98,745	)		58,378		135,141		(82,249	)		52,892
Unamortized intangible assets:
FCC Licenses				32,283		—			32,283		32,283		—			32,283

Total intangible assets			$	189,406	$	(98,745	)	$	90,661	$	167,424	$	(82,249	)	$	85,175

Summary of Amortization Expenses

Amortization expense for each of the next five years and thereafter is estimated to be as follows (in thousands):


	Amortization
Years ending December 31,	Expense
2017 (period from October 1 to December 31)	$	7,137
2018	$	24,284
2019	$	14,427
2020	$	8,382
2021	$	2,425
Thereafter	$	1,723