XML 17 R5.htm IDEA: XBRL DOCUMENT
v3.20.2

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS |  |  |  |
Noncontrolling interest income tax expense | $ 0.2 | $ 0.4 | $ 0.8 | $ 1.2

X
- Definition Amount of current income tax expense (benefit) reported by noncontrolling interests. + References No definition available. + Details
Name: | atni_NoncontrollingInterestIncomeTaxExpenseBenefit
Namespace Prefix: | atni_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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