Cover
Cover - USD ($) | 12 Months Ended | ||
Dec. 31, 2023 | Mar. 15, 2024 | Jun. 30, 2023 | |
Cover [Abstract] | |||
Document Type | 10-K/A | ||
Amendment Flag | false | ||
Document Annual Report | true | ||
Document Transition Report | false | ||
Document Period End Date | Dec. 31, 2023 | ||
Document Fiscal Period Focus | FY | ||
Document Fiscal Year Focus | 2023 | ||
Current Fiscal Year End Date | --12-31 | ||
Entity File Number | 001-12593 | ||
Entity Registrant Name | ATN INTERNATIONAL, INC. | ||
Entity Central Index Key | 0000879585 | ||
Entity Tax Identification Number | 47-0728886 | ||
Entity Incorporation, State or Country Code | DE | ||
Entity Address, Address Line One | 500 Cummings Center | ||
Entity Address, City or Town | Beverly | ||
Entity Address, State or Province | MA | ||
Entity Address, Postal Zip Code | 01915 | ||
City Area Code | 978 | ||
Local Phone Number | 619-1300 | ||
Title of 12(b) Security | Common Stock, par value $.01 per share | ||
Trading Symbol | ATNI | ||
Security Exchange Name | NASDAQ | ||
Entity Well-known Seasoned Issuer | No | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Accelerated Filer | ||
Entity Small Business | false | ||
Entity Emerging Growth Company | false | ||
Entity Shell Company | false | ||
Entity Public Float | $ 394 | ||
Entity Common Stock, Shares Outstanding | 15,481,207 | ||
ICFR Auditor Attestation Flag | true | ||
Document Financial Statement Error Correction [Flag] | false | ||
Auditor Firm ID | 238 | ||
Auditor Name | PRICEWATERHOUSECOOPERS LLP | ||
Auditor Location | BOSTON, MASSACHUSETTS |