Intangible Assets, Net - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Non-amortizing intangibles:	$ 64,431	$ 64,431
Gross Carrying Amount	450,402	449,384
Accumulated Amortization	(71,525)	(59,283)
Net	378,877	390,101
Total intangible assets, gross	514,833	513,815
Intangible assets, net	443,308	454,532
Affiliate contract expansion
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	284,102	284,102
Accumulated Amortization	(19,008)	(14,030)
Net	265,094	270,072
Acquired subscribers – wireless
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	120,855	120,855
Accumulated Amortization	(25,387)	(18,738)
Net	95,468	102,117
Favorable leases - wireless
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,950	16,950
Accumulated Amortization	(1,531)	(1,130)
Net	15,419	15,820
Acquired subscribers – cable
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,265	25,265
Accumulated Amortization	(24,802)	(24,631)
Net	463	634
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,230	2,212
Accumulated Amortization	(797)	(754)
Net	2,433	1,458
Cable franchise rights
Finite-Lived Intangible Assets [Line Items]
Non-amortizing intangibles:	64,334	64,334
Railroad crossing rights
Finite-Lived Intangible Assets [Line Items]
Non-amortizing intangibles:	$ 97	$ 97