CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY - USD ($) $ in Thousands	Total	Shares of Class A Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Non-controlling Interests [Member]	Common Stock - Class A [Member]
Beginning balances, Common Stock, Shares Issued at Dec. 31, 2014		0
Beginning balances, total stockholder's equity at Dec. 31, 2014	$ 467,222		$ 88,802	$ (128,068)	$ 299,866	$ 206,622
Increase (Decrease) in Stockholder's Equity [Roll Forward]
Net loss	(12,620)			(12,950)	330
Distribution to General Communication, Inc.	(49,360)			(49,360)
Contribution from General Communication, Inc.	83,277		83,277
Distribution to non-controlling interest	(765)				(765)
Purchase of AWN NCI	(303,831)		(35,467)		(268,364)
Other	(230)		(230)			0
Ending balances, Common Stock, Shares Issued at Sep. 30, 2015		0
Ending balances, total stockholder's equity at Sep. 30, 2015	183,693		136,382	(190,378)	31,067	$ 206,622
Beginning balances, Common Stock, Shares Issued at Dec. 31, 2015		0				100
Beginning balances, total stockholder's equity at Dec. 31, 2015	210,095		164,508	(192,033)	30,998	$ 206,622
Increase (Decrease) in Stockholder's Equity [Roll Forward]
Net loss	(1,069)			(719)	(350)
Distribution to General Communication, Inc.	(53,280)			(53,280)
Contribution from General Communication, Inc.	8,174		8,174
Ending balances, Common Stock, Shares Issued at Sep. 30, 2016		0				100
Ending balances, total stockholder's equity at Sep. 30, 2016	$ 163,920		$ 172,682	$ (246,032)	$ 30,648	$ 206,622