CONSOLIDATED INCOME STATEMENTS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
REVENUE:
Total revenue	$ 355,369	$ 336,347	$ 292,835
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Termination and access fees	81,928	77,888	70,159
Engineering and operations	37,244	30,954	27,913
Sales and marketing	21,466	21,664	18,226
Equipment expense	14,997	13,338	13,013
General and administrative	59,890	52,734	49,066
Transaction-related charges	7,182	2,959	2,712
Depreciation and amortization	56,890	51,234	48,737
Gain on disposition of long-lived assets	(2,823)		(1,076)
Total operating expenses	276,774	250,771	228,750
Income from operations	78,595	85,576	64,085
OTHER INCOME (EXPENSE):
Interest income	588	788	852
Interest expense	(3,180)	(1,208)	(12,785)
Loss on interest rate derivative contracts			(5,408)
Loss on deconsolidation of subsidiary	(19,937)
Other income, net	135	1,012	(271)
Other income (expense), net	(22,394)	592	(17,612)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	56,201	86,168	46,473
Income taxes	24,137	28,148	9,536
INCOME FROM CONTINUING OPERATIONS	32,064	58,020	36,937
Gain on sale of discontinued operations, net of tax	1,092	1,102	307,102
Income from discontinued operations, net of tax	1,092	1,102	312,268
NET INCOME	33,156	59,122	349,205
Net loss attributable to non-controlling interests, net of tax:
Continuing operations	(16,216)	(10,970)	(7,989)
Discontinued operations			(601)
Disposal of discontinued operations			(28,899)
Net income attributable to non-controlling interests, net of tax	(16,216)	(10,970)	(37,489)
NET INCOME (LOSS) ATTRIBUTABLE TO ATLANTIC TELE-NETWORK, INC. STOCKHOLDERS	$ 16,940	$ 48,152	$ 311,716
NET INCOME PER WEIGHTED AVERAGE BASIC SHARE ATTRIBUTABLE TO ATLANTIC TELE-NETWORK, INC. STOCKHOLDERS:
Continuing operations (in dollars per share)	$ 0.99	$ 2.96	$ 1.84
Discontinued operations (in dollars per share)			0.29
Total (in dollars per share)	1.06	3.03	19.85
Discontinued operations:
Gain on sale of discontinued operations (in dollars per share)	0.07	0.07	17.72
Total discontinued operations (in dollars per share)	0.07	0.07	18.01
NET INCOME PER WEIGHTED AVERAGE DILUTED SHARE ATTRIBUTABLE TO ATLANTIC TELE-NETWORK, INC. STOCKHOLDERS:
Continuing operations (in dollars per share)	0.98	2.94	1.83
Discontinued operations (in dollars per share)			0.29
Total (in dollars per share)	1.05	3.01	19.71
Discontinued operations:
Gain on sale of discontinued operations (in dollars per share)	0.07	0.07	17.59
Total discontinued operations (in dollars per share)	$ 0.07	$ 0.07	$ 17.88
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	16,022	15,898	15,704
Diluted (in shares)	16,142	16,013	15,817
DIVIDENDS PER SHARE APPLICABLE TO COMMON STOCK (in dollars per share)	$ 1.22	$ 1.12	$ 1.04
U.S. Wireless
REVENUE:
Total revenue	$ 155,390	$ 153,040	$ 107,930
International wireless
REVENUE:
Total revenue	81,652	88,650	91,432
Wireline
REVENUE:
Total revenue	86,485	85,284	84,585
Renewable energy
REVENUE:
Total revenue	21,040
Equipment and other
REVENUE:
Total revenue	$ 10,802	$ 9,373	$ 8,888