CONSOLIDATED INCOME STATEMENTS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Revenues	$ 228,115	$ 231,098
Cost of goods sold (exclusive of depreciation and amortization shown separately below)	69,274	76,291
Selling, general and administrative expenses	93,558	87,646
Depreciation and amortization expense	49,937	47,142
Operating income	15,346	20,019
Other income (expense):
Interest expense (including amortization of deferred loan fees)	(19,836)	(19,171)
Other	627	502
Other expense, net	(19,209)	(18,669)
Income (loss) before income taxes	(3,863)	1,350
Income tax (expense) benefit	5,862	(1,024)
Net income	1,999	326
Net loss attributable to non-controlling interests	(117)	(117)
Net income attributable to GCI, Inc.	$ 2,116	$ 443