Consolidated Statements of Comprehensive (Loss) Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating revenues:
Operating revenues, non-affiliates	$ 226,905	$ 226,866	$ 232,242
Operating revenues, affiliates			575
Total operating revenues	226,905	226,866	232,817
Operating expenses:
Cost of services and sales (excluding depreciation and amortization), non-affiliates	104,604	102,137	107,162
Cost of services and sales (excluding depreciation and amortization), affiliates			4,961
Selling, general and administrative	67,227	70,209	88,389
Depreciation and amortization	36,317	34,690	33,867
Loss (gain) on disposal of assets, net	50	321	(46,252)
Earnings from equity method investments			(3,056)
Total operating expenses	208,198	207,357	185,071
Operating income	18,707	19,509	47,746
Other income and (expense):
Interest expense	(14,860)	(15,447)	(19,841)
Loss on extinguishment of debt	(7,527)	(336)	(4,878)
Interest income	34	26	58
Total other income and (expense)	(22,353)	(15,757)	(24,661)
(Loss) income before income tax expense	(3,646)	3,752	23,085
Income tax expense	(2,584)	(1,499)	(10,200)
Net (loss) income	(6,230)	2,253	12,885
Less net loss attributable to noncontrolling interest	(129)	(133)	(69)
Net (loss) income attributable to Alaska Communications	(6,101)	2,386	12,954
Other comprehensive income (loss):
Minimum pension liability adjustment	404	(294)	(7)
Income tax effect	(167)	118	3
Amortization of defined benefit plan loss	615	662	936
Income tax effect	(252)	(272)	(382)
Interest rate swap marked to fair value	471	(170)	600
Income tax effect	(193)	70	(245)
Reclassification of loss on interest rate swaps	104	106	1,970
Income tax effect	(43)	(44)	(810)
Total other comprehensive income	939	176	2,065
Total comprehensive (loss) income attributable to Alaska Communications	(5,162)	2,562	15,019
Less net loss attributable to noncontrolling interest	(129)	(133)	(69)
Total other comprehensive income attributable to noncontrolling interest	0	0	0
Total comprehensive loss attributable to noncontrolling interest	(129)	(133)	(69)
Total comprehensive (loss) income	$ (5,291)	$ 2,429	$ 14,950
Net (loss) income per share attributable to Alaska Communications:
Basic (in dollars per share)	$ (0.12)	$ 0.05	$ 0.26
Diluted (in dollars per share)	$ (0.12)	$ 0.05	$ 0.25
Weighted average shares outstanding:
Basic (in shares)	52,232	51,169	50,247
Diluted (in shares)	52,232	52,188	51,368