Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-21-015241-index-headers.html | 2021-11-09 15:12:46 | |
| 0001558370-21-015241-index.html | 2021-11-09 15:12:46 | |
| 0001558370-21-015241.txt | 2021-11-09 15:12:46 | |
 0001558370-21-015241-xbrl.zip | 399832 | 2021-11-09 15:12:46 |
| atni-20210930.xsd | 86231 | 2021-11-09 15:12:46 |
| atni-20210930x10q.htm | 3910899 | 2021-11-09 15:12:46 |
| atni-20210930x10q_htm.xml | 3433746 | 2021-11-09 15:12:46 |
| atni-20210930xex31d1.htm | 17010 | 2021-11-09 15:12:46 |
| atni-20210930xex31d2.htm | 17790 | 2021-11-09 15:12:46 |
| atni-20210930xex32d1.htm | 8852 | 2021-11-09 15:12:46 |
| atni-20210930xex32d2.htm | 8850 | 2021-11-09 15:12:46 |
| atni-20210930_cal.xml | 103887 | 2021-11-09 15:12:46 |
| atni-20210930_def.xml | 311600 | 2021-11-09 15:12:46 |
| atni-20210930_lab.xml | 769119 | 2021-11-09 15:12:46 |
| atni-20210930_pre.xml | 529931 | 2021-11-09 15:12:46 |
| FilingSummary.xml | 37873 | 2021-11-09 15:12:46 |
| Financial_Report.xlsx | 113927 | 2021-11-09 15:12:46 |
| MetaLinks.json | 858821 | 2021-11-09 15:12:46 |
| R1.htm | 52241 | 2021-11-09 15:12:46 |
| R10.htm | 6238 | 2021-11-09 15:12:46 |
| R11.htm | 45159 | 2021-11-09 15:12:46 |
| R12.htm | 13013 | 2021-11-09 15:12:46 |
| R13.htm | 57869 | 2021-11-09 15:12:46 |
| R14.htm | 95039 | 2021-11-09 15:12:46 |
| R15.htm | 5539 | 2021-11-09 15:12:46 |
| R16.htm | 119058 | 2021-11-09 15:12:46 |
| R17.htm | 96604 | 2021-11-09 15:12:46 |
| R18.htm | 27804 | 2021-11-09 15:12:46 |
| R19.htm | 99133 | 2021-11-09 15:12:46 |
| R2.htm | 141504 | 2021-11-09 15:12:46 |
| R20.htm | 70666 | 2021-11-09 15:12:46 |
| R21.htm | 12455 | 2021-11-09 15:12:46 |
| R22.htm | 73724 | 2021-11-09 15:12:46 |
| R23.htm | 511688 | 2021-11-09 15:12:46 |
| R24.htm | 18069 | 2021-11-09 15:12:46 |
| R25.htm | 13990 | 2021-11-09 15:12:46 |
| R26.htm | 23510 | 2021-11-09 15:12:46 |
| R27.htm | 42996 | 2021-11-09 15:12:46 |
| R28.htm | 131147 | 2021-11-09 15:12:46 |
| R29.htm | 109456 | 2021-11-09 15:12:46 |
| R3.htm | 23412 | 2021-11-09 15:12:46 |
| R30.htm | 76503 | 2021-11-09 15:12:46 |
| R31.htm | 91630 | 2021-11-09 15:12:46 |
| R32.htm | 62524 | 2021-11-09 15:12:46 |
| R33.htm | 71587 | 2021-11-09 15:12:46 |
| R34.htm | 509769 | 2021-11-09 15:12:46 |
| R35.htm | 4917 | 2021-11-09 15:12:46 |
| R36.htm | 17285 | 2021-11-09 15:12:46 |
| R37.htm | 42261 | 2021-11-09 15:12:46 |
| R38.htm | 12740 | 2021-11-09 15:12:46 |
| R39.htm | 13658 | 2021-11-09 15:12:46 |
| R4.htm | 95343 | 2021-11-09 15:12:46 |
| R40.htm | 21228 | 2021-11-09 15:12:46 |
| R41.htm | 11824 | 2021-11-09 15:12:46 |
| R42.htm | 9706 | 2021-11-09 15:12:46 |
| R43.htm | 37309 | 2021-11-09 15:12:46 |
| R44.htm | 11637 | 2021-11-09 15:12:46 |
| R45.htm | 49086 | 2021-11-09 15:12:46 |
| R46.htm | 114800 | 2021-11-09 15:12:46 |
| R47.htm | 50480 | 2021-11-09 15:12:46 |
| R48.htm | 47181 | 2021-11-09 15:12:46 |
| R49.htm | 53673 | 2021-11-09 15:12:46 |
| R5.htm | 4523 | 2021-11-09 15:12:46 |
| R50.htm | 39690 | 2021-11-09 15:12:46 |
| R51.htm | 87072 | 2021-11-09 15:12:46 |
| R52.htm | 159605 | 2021-11-09 15:12:46 |
| R53.htm | 81991 | 2021-11-09 15:12:46 |
| R54.htm | 34053 | 2021-11-09 15:12:46 |
| R55.htm | 13378 | 2021-11-09 15:12:46 |
| R56.htm | 33601 | 2021-11-09 15:12:46 |
| R57.htm | 39510 | 2021-11-09 15:12:46 |
| R58.htm | 21751 | 2021-11-09 15:12:46 |
| R59.htm | 148262 | 2021-11-09 15:12:46 |
| R6.htm | 35104 | 2021-11-09 15:12:46 |
| R60.htm | 25828 | 2021-11-09 15:12:46 |
| R7.htm | 108804 | 2021-11-09 15:12:46 |
| R8.htm | 10913 | 2021-11-09 15:12:46 |
| R9.htm | 115505 | 2021-11-09 15:12:46 |
| report.css | 2767 | 2021-11-09 15:12:46 |
| Show.js | 1085 | 2021-11-09 15:12:46 |