Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2016	May. 10, 2016
Document and Entity Information
Entity Registrant Name	ATLANTIC TELE NETWORK INC /DE
Entity Central Index Key	0000879585
Document Type	10-Q
Document Period End Date	Mar. 31, 2016
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		16,143,514
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1