XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.19.2

IMPACT OF HURRICANES IRMA AND MARIA (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 28, 2018 | Jun. 30, 2019 | Jun. 30, 2018
IMPACT OF THE HURRICANES IRMA AND MARIA |  |  |
Insurance proceeds |  |  | $ 34,606
Payment for network repairs and resiliency enhancements |  | $ 123 | 66,654
HURRICANES IRMA AND MARIA |  |  |
IMPACT OF THE HURRICANES IRMA AND MARIA |  |  |
Insurance proceeds | $ 34,600 |  |
Payment for network repairs and resiliency enhancements |  | $ 100 | $ 66,700

X
- Definition Cash outflow of hurricane rebuild capital expenditures. + References No definition available. + Details
Name: | atni_PaymentsForHurricaneRebuildCapitalExpenditures
Namespace Prefix: | atni_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessInterruptionLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21B -URI http://asc.fasb.org/extlink&oid=118932676&loc=SL94080549-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromInsuranceSettlementInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessInterruptionLossAxis=us-gaap_NaturalDisastersAndOtherCasualtyEventsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |