XML 28 R25.htm IDEA: XBRL DOCUMENT
v3.20.1

ORGANIZATION AND BUSINESS OPERATIONS (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
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 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Segment |  | Services |  | Markets |  | Tradenames |
International Telecom |  | Mobility |  | Bermuda, Guyana, US Virgin Islands |  | GTT+, One, Logic, Viya | ​
​ |  | Fixed |  | Bermuda, Cayman Islands, Guyana, US Virgin Islands |  | GTT+, One, Logic, Viya | ​
​ | ​ | Carrier Services | ​ | Bermuda, Guyana, US Virgin Islands | ​ | GTT+, One, Logic, Viya | ​
​ | ​ | Managed Services | ​ | Bermuda, US Virgin Islands | ​ | Fireminds, One, Logic, Viya | ​
US Telecom |  | Mobility |  | United States (rural markets) |  | Choice, Choice NTUA Wireless, Commnet, WestNet, Geoverse | ​
​ | ​ | Fixed | ​ | United States | ​ | Commnet, Choice, Choice NTUA Wireless, Deploycom, WestNet | ​
​ | ​ | Carrier Services | ​ | ​ | ​ | Commnet, Essextel | ​
​ |  | Managed Services |  | ​ |  | Choice | ​
Renewable Energy | ​ | Solar | ​ | India | ​ | 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