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v3.25.4

Geographic and segment information: (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) segment | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Segment information |  |  |
Number of operating segments | segment | 1 |  |
Number of reportable segment | segment | 1 |  |
Revenues | $ 975,766 | $ 1,036,104 | $ 940,922
Long lived assets, net | 1,721,074 | 1,738,349 |
On-net |  |  |
Segment information |  |  |
Revenues | 531,509 | 544,628 | 512,936
Off-net |  |  |
Segment information |  |  |
Revenues | 397,470 | 454,107 | 393,493
Wavelength |  |  |
Segment information |  |  |
Revenues | 38,453 | 19,196 | 5,653
Non-core |  |  |
Segment information |  |  |
Revenues | 8,334 | 18,173 | 28,840
North America |  |  |
Segment information |  |  |
Revenues | 819,523 | 888,001 | 802,690
Long lived assets, net | 1,523,789 | 1,579,495 |
North America | On-net |  |  |
Segment information |  |  |
Revenues | 400,765 | 424,437 | 401,213
North America | Off-net |  |  |
Segment information |  |  |
Revenues | 373,289 | 426,857 | 367,210
North America | Wavelength |  |  |
Segment information |  |  |
Revenues | 37,443 | 19,015 | 5,653
North America | Non-core |  |  |
Segment information |  |  |
Revenues | 8,026 | 17,692 | 28,614
Europe |  |  |
Segment information |  |  |
Revenues | 122,011 | 116,124 | 108,370
Europe | On-net |  |  |
Segment information |  |  |
Revenues | 101,395 | 94,363 | 88,310
Europe | Off-net |  |  |
Segment information |  |  |
Revenues | 19,455 | 21,242 | 19,913
Europe | Wavelength |  |  |
Segment information |  |  |
Revenues | 944 | 172 |
Europe | Non-core |  |  |
Segment information |  |  |
Revenues | 217 | 347 | 147
Oceania |  |  |
Segment information |  |  |
Revenues | 24,836 | 23,318 | 21,427
Oceania | On-net |  |  |
Segment information |  |  |
Revenues | 20,791 | 18,205 | 15,769
Oceania | Off-net |  |  |
Segment information |  |  |
Revenues | 3,916 | 5,013 | 5,587
Oceania | Wavelength |  |  |
Segment information |  |  |
Revenues | 66 | 9 |
Oceania | Non-core |  |  |
Segment information |  |  |
Revenues | 63 | 91 | 71
South America |  |  |
Segment information |  |  |
Revenues | 8,808 | 8,019 | 7,649
South America | On-net |  |  |
Segment information |  |  |
Revenues | 8,072 | 7,080 | 6,957
South America | Off-net |  |  |
Segment information |  |  |
Revenues | 708 | 896 | 684
South America | Non-core |  |  |
Segment information |  |  |
Revenues | 28 | 43 | 8
Africa |  |  |
Segment information |  |  |
Revenues | 588 | 642 | 786
Africa | On-net |  |  |
Segment information |  |  |
Revenues | 486 | 543 | 687
Africa | Off-net |  |  |
Segment information |  |  |
Revenues | 102 | 99 | $ 99
Europe and other |  |  |
Segment information |  |  |
Long lived assets, net | $ 197,285 | $ 158,854 |

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