Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill during the year ended December 31, 2017 are shown below:



(in thousands)	December 31, 2016		Measurement Period Adjustments		December 31, 2017
Goodwill - Wireline segment	$	10	$	—	$	10
Goodwill - Cable segment	104		—		104
Goodwill - Wireless segment	145,142		1,241		146,383
Goodwill	$	145,256	$	1,241	$	146,497

Intangible Assets Resulting from Acquisition

Intangible assets consist of the following at December 31, 2017 and 2016:



	2017							2016
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Non-amortizing intangibles:
Cable franchise rights	$	64,334	$	—		$	64,334	$	64,334	$	—		$	64,334
Railroad crossing rights	141		—			141		97		—			97
	64,475		—			64,475		64,431		—			64,431

Finite-lived intangibles:
Affiliate contract expansion - wireless	410,157		(105,964		)	304,193		404,957		(32,768		)	372,189
Favorable leases - wireless	13,103		(1,222		)	11,881		16,950		(1,130		)	15,820
Acquired subscribers – cable	25,265		(25,100		)	165		25,265		(24,631		)	634
Other intangibles	463		(198		)	265		2,212		(754		)	1,458
Total finite-lived intangibles	448,988		(132,484		)	316,504		449,384		(59,283		)	390,101
Total intangible assets	$	513,463	$	(132,484	)	$	380,979	$	513,815	$	(59,283	)	$	454,532

Schedule of Finite-Lived Intangible Assets

Finite-lived intangible assets and liabilities are being amortized over the following periods:



		Useful Life
Affiliate contract expansion		4 - 14 years
Favorable and unfavorable leases - wireless		1 - 28 years
Acquired subscribers - cable		3 - 10 years
Other intangibles		15 - 20 years

Intangible assets consist of the following at December 31, 2017 and 2016:



	2017							2016
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Non-amortizing intangibles:
Cable franchise rights	$	64,334	$	—		$	64,334	$	64,334	$	—		$	64,334
Railroad crossing rights	141		—			141		97		—			97
	64,475		—			64,475		64,431		—			64,431

Finite-lived intangibles:
Affiliate contract expansion - wireless	410,157		(105,964		)	304,193		404,957		(32,768		)	372,189
Favorable leases - wireless	13,103		(1,222		)	11,881		16,950		(1,130		)	15,820
Acquired subscribers – cable	25,265		(25,100		)	165		25,265		(24,631		)	634
Other intangibles	463		(198		)	265		2,212		(754		)	1,458
Total finite-lived intangibles	448,988		(132,484		)	316,504		449,384		(59,283		)	390,101
Total intangible assets	$	513,463	$	(132,484	)	$	380,979	$	513,815	$	(59,283	)	$	454,532

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Aggregate amortization expense, including amortization classified as a rent expense, for intangible assets for the periods shown is expected to be as follows:



Year Ending December 31,	Total		Amount Reflected as Rent Expense		Amount Reflected as Amortization Expense
	(in thousands)
2018	$	21,700	$	916	$	20,784
2019	17,106		843		16,263
2020	14,193		800		13,393
2021	11,483		800		10,683
2022	10,040		800		9,240
thereafter	47,034		7,722		39,312
Total	$	121,556	$	11,881	$	109,675

Affiliate contract expansion will be further reduced by approximately $194.9 million for waived management fees as such are received from Sprint. Amortization of the unfavorable lease liability in the Wireless segment, to be classified as rent expense, is expected to be $3.2 million.