CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 140,790	$ 136,647
Accounts receivable, net of allowances of $14.6 million and $14.2 million, respectively	68,976	73,091
Materials and supplies	29,669	27,080
Deferred income taxes	8,349	8,349
Prepayments and other current assets	14,823	10,984
Total current assets	262,607	256,151
Property, plant and equipment, net	443,427	450,547
Telecommunications licenses	90,054	90,458
Goodwill	45,077	45,077
Trade name license, net	12,414	12,534
Customer relationships, net	31,001	32,835
Other assets	23,609	23,273
Total assets	908,189	910,875
Current Liabilities:
Current portion of long-term debt	19,600	15,680
Accounts payable and accrued liabilities	58,184	50,259
Dividends payable	3,933
Accrued taxes	10,348	30,153
Advance payments and deposits	19,524	18,998
Other current liabilities	44,464	44,115
Total current liabilities	156,053	159,205
Deferred income taxes	84,433	84,006
Other liabilities	20,701	22,524
Long-term debt, excluding current portion	247,306	250,900
Total liabilities	508,493	516,635
Commitments and contingencies (Note 10)
Atlantic Tele-Network, Inc.'s Stockholders' Equity:
Preferred stock, $0.01 par value per share; 10,000,000 shares authorized, none issued and outstanding
Common stock, $0.01 par value per share; 50,000,000 shares authorized; 16,090,544 and 16,274,270 shares issued, respectively, and 15,576,721 and 15,688,098 shares outstanding, respectively	162	160
Treasury stock, at cost; 513,823 and 586,172 shares, respectively	(8,558)	(5,286)
Additional paid-in capital	126,764	123,253
Retained earnings	229,157	224,316
Accumulated other comprehensive loss	(7,656)	(8,297)
Total Atlantic Tele-Network, Inc.'s stockholders' equity	339,869	334,146
Non-controlling interests	59,827	60,094
Total equity	399,696	394,240
Total liabilities and equity	$ 908,189	$ 910,875