CONSOLIDATED INCOME STATEMENTS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Non-related party	$ 973,251	$ 850,656	$ 782,971
Related party	5,283	59,542	28,677
Total revenues	978,534	910,198	811,648
Cost of goods sold (exclusive of depreciation and amortization shown separately below):
Non-related party	321,457	291,770	275,701
Related party	881	10,934	4,761
Total cost of goods sold	322,338	302,704	280,462
Selling, General and Administrative Expense [Abstract]
Non-related party	337,839	289,674	268,026
Related party	540	3,973	3,039
Total selling, general and administrative expenses	338,379	293,647	271,065
Depreciation and amortization expense	181,767	170,285	147,259
Software impairment charge	29,839	0	0
Operating income	106,211	143,562	112,862
Other income (expense):
Interest expense (including amortization of deferred loan fees)	(78,786)	(72,496)	(69,725)
Loss on extinguishment of debt	(27,700)	0	(103)
Impairment of equity method investment	(12,593)	0	0
Other	2,917	(1,793)	(350)
Other expense, net	(116,162)	(74,289)	(70,178)
Income (loss) before income taxes	(9,951)	69,273	42,684
Income tax expense	(81)	(10,029)	(10,957)
Net income (loss)	(10,032)	59,244	31,727
Net income attributable to non-controlling interests	159	51,687	22,321
Net income (loss) attributable to GCI, Inc.	$ (10,191)	$ 7,557	$ 9,406