XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.24.3

ORGANIZATION AND BUSINESS OPERATIONS (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
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 | The following chart summarizes the operating activities of the Company’s principal subsidiaries, the segments in which it reports its revenue and the markets it served during the three months ended September 30, 2024: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
International Telecom | US Telecom
Services |  | Markets | ​ | Tradenames | Services |  | Markets | ​ | Tradenames
Mobility Services | ​ | Bermuda, Guyana, US Virgin Islands | ​ | One, GTT, Viya, Brava | Mobility Services |  | United States (rural markets) | ​ | Choice, Choice NTUA Wireless
Fixed Services | ​ | Bermuda, Cayman Islands, Guyana, US Virgin Islands | ​ | One, Logic, GTT, Viya, Brava | Fixed Services | ​ | United States | ​ | Alaska Communications, Commnet, Choice, Choice NTUA Wireless, Sacred Wind Communications, Ethos, Deploycom
Carrier Services | ​ | Bermuda, Guyana, US Virgin Islands | ​ | One, Essextel, GTT, Viya | Carrier Services | ​ | United States | ​ | Alaska Communications, Commnet, Sacred Wind Communications
Managed Services | ​ | Bermuda, Cayman Islands, US Virgin Islands, Guyana | ​ | Fireminds, One, Logic, GTT, Viya, Brava | Managed Services |  | United States | ​ | Alaska Communications, Choice
Schedule of restructuring expenses | A summary of the costs is below (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | US | ​ | ​ | International | ​ | ​ | ​
​ | ​ | ​ | Telecom | ​ | ​ | Telecom | ​ | ​ | Total
Employee termination benefits | ​ | $ | 1,960 | ​ | $ | 4,681 | ​ | $ | 6,641
Contract termination costs | ​ | ​ | 5,777 | ​ | ​ | — | ​ | ​ | 5,777
Total | ​ | $ | 7,737 | ​ | $ | 4,681 | ​ | $ | 12,418

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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
Name: | us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration