XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.5.0.2

ORGANIZATION AND BUSINESS OPERATIONS (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
ORGANIZATION AND BUSINESS OPERATIONS |
Schedule of the operating activities of the Company's principal subsidiaries, the segments in which the Company reports its revenue and markets served |
Services |  | Segment |  | Markets |  | Tradenames |
Wireless |  | U.S. Telecom |  | United States (rural markets) |  | Commnet, Choice |
|  | International Telecom |  | Aruba, Bermuda, Guyana, U.S. Virgin Islands |  | Mio, CellOne, Choice, Innovative |
Wireline |  | U.S. Telecom |  | United States (New England and New York State) |  | Sovernet, ION, Essextel |
|  | International Telecom |  | Guyana, Bermuda, Cayman Islands, U.S. Virgin Islands, British Virgin Islands, St. Maarten |  | GTT, KeyTech, Bermuda CableVision, Logic, Innovative |
Renewable Energy |  | Renewable Energy |  | United States (Massachusetts, California, and New Jersey), India |  | Ahana Renewables, Vibrant Energy |

X
- References No definition available. + Details
Name: | atni_OrganizationAndBusinessOperationsDisclosureAbstract
Namespace Prefix: | atni_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the operating activities of the Company's principal subsidiaries, the segments in which the Company reports its revenue, and the markets served. + References No definition available. + Details
Name: | atni_ScheduleOfPrincipalSubsidiariesOperatingActivitiesRevenueReportingSegmentsAndMarketsServedTableTextBlock
Namespace Prefix: | atni_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration