CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Paid-in Capital	Retained Deficit	Non- controlling Interests	Common Stock - Class A [Member]
Beginning balances, total stockholders' equity at Dec. 31, 2012	$ 185,530	$ 67,493	$ (120,843)	$ 32,258	$ 206,622
Shares, Beginning Balance at Dec. 31, 2012					100
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	27,202		16,329	10,873
Distribution to General Communication, Inc.	15,518		15,518
Contribution from General Communication, Inc.	9,754	9,754
Investment by non-controlling interest	272,198			272,198
Distribution to non-controlling interest	(9,511)			(9,511)
Ending balances, total stockholders' equity at Sep. 30, 2013	469,655	77,247	(120,032)	305,818	206,622
Shares, Ending Balance at Sep. 30, 2013					100
Beginning balances, total stockholders' equity at Dec. 31, 2013	457,354	79,297	(128,775)	300,210	206,622
Shares, Beginning Balance at Dec. 31, 2013					100
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	59,254		22,788	36,466
Distribution to General Communication, Inc.	1,972		1,972
Contribution from General Communication, Inc.	7,190	7,190
Distribution to non-controlling interest	(37,500)			(37,500)
Adjustment to investment by non-controlling interest	(2,131)			(2,131)
Other	100			100
Ending balances, total stockholders' equity at Sep. 30, 2014	$ 482,295	$ 86,487	$ (107,959)	$ 297,145	$ 206,622
Shares, Ending Balance at Sep. 30, 2014					100