CONDENSED CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
REVENUE:
Total revenue	$ 172,868	$ 183,087
OPERATING EXPENSES (excluding depreciation and amortization unless otherwise indicated):
Termination and access fees	34,254	40,562
Engineering and operations	22,132	21,945
Sales and marketing	29,502	32,005
Equipment expense	24,557	20,692
General and administrative	19,146	22,724
Transaction-related charges	782	5
Depreciation and amortization	25,802	27,024
Gain on disposition of long lived assets	(1,076)
Total operating expenses	155,099	164,957
Income from operations	17,769	18,130
OTHER INCOME (EXPENSE):
Interest expense	(2,360)	(3,970)
Interest income	88	93
Equity in earnings of an unconsolidated affiliate	582	1,402
Other income, net	201	63
Other income (expense), net	(1,489)	(2,412)
INCOME BEFORE INCOME TAXES	16,280	15,718
Income tax expense	6,362	6,781
NET INCOME	9,918	8,937
Net loss (income) attributable to non-controlling interests, net of tax of $0.6 million and $0.7 million, respectively	(1,142)	384
NET INCOME ATTRIBUTABLE TO ATLANTIC TELE-NETWORK, INC. STOCKHOLDERS	8,776	9,321
NET INCOME PER WEIGHTED AVERAGE SHARE ATTRIBUTABLE TO ATLANTIC TELE-NETWORK, INC. STOCKHOLDERS
Basic (in dollars per share)	$ 0.56	$ 0.60
Diluted (in dollars per share)	$ 0.56	$ 0.60
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	15,588	15,456
Diluted (in shares)	15,695	15,554
DIVIDENDS PER SHARE APPLICABLE TO COMMON STOCK (in dollars per share)	$ 0.25	$ 0.23
U.S. Wireless, Retail
REVENUE:
Total revenue	81,282	86,683
U.S. Wireless, Wholesale
REVENUE:
Total revenue	40,302	47,384
International Wireless
REVENUE:
Total revenue	21,430	18,900
Wireline
REVENUE:
Total revenue	20,564	21,731
Equipment and Other
REVENUE:
Total revenue	$ 9,290	$ 8,389