XML 46 R31.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Geographic and segment information: (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Geographic and segment information: |
Schedule of service revenues and long-lived assets by geographic region | Revenues are attributed to regions based on where the services are provided. Below are the Company’s service revenues and long-lived assets by geographic region - including property plant and equipment and excluding intangible assets (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year Ended December 31, 2024 |  | On-net |  | Off-net |  | Wavelengths |  | Non-core |  | Total
North America | ​ | $ | 424,437 | ​ | $ | 426,857 | ​ | $ | 19,015 | ​ | $ | 17,692 | ​ | $ | 888,001
Europe | ​ | ​ | 94,363 | ​ | ​ | 21,242 | ​ | ​ | 172 | ​ | ​ | 347 | ​ | ​ | 116,124
Oceania | ​ |  | 18,205 | ​ | ​ | 5,013 | ​ | ​ | 9 | ​ | ​ | 91 | ​ | ​ | 23,318
South America | ​ | ​ | 7,080 | ​ | ​ | 896 | ​ | ​ | — | ​ | ​ | 43 | ​ | ​ | 8,019
Africa | ​ | ​ | 543 | ​ | ​ | 99 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 642
Total | ​ | $ | 544,628 | ​ | $ | 454,107 | ​ | $ | 19,196 | ​ | $ | 18,173 | ​ | $ | 1,036,104
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year Ended December 31, 2023 |  | On-net |  | Off-net | ​ | Wavelengths |  | Non-core |  | Total
North America | ​ | $ | 401,213 | ​ | $ | 367,210 | ​ | $ | 5,653 | ​ | $ | 28,614 | ​ | $ | 802,690
Europe | ​ |  | 88,310 | ​ | ​ | 19,913 | ​ | ​ | — | ​ | ​ | 147 | ​ | ​ | 108,370
Oceania | ​ |  | 15,769 | ​ | ​ | 5,587 | ​ | ​ | — | ​ | ​ | 71 | ​ | ​ | 21,427
South America | ​ | ​ | 6,957 | ​ | ​ | 684 | ​ | ​ | — | ​ | ​ | 8 | ​ | ​ | 7,649
Africa | ​ | ​ | 687 | ​ | ​ | 99 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 786
Total | ​ | $ | 512,936 | ​ | $ | 393,493 | ​ | $ | 5,653 | ​ | $ | 28,840 | ​ | $ | 940,922
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year Ended December 31, 2022 |  | On-net |  | Off-net | ​ | Wavelengths |  | Non-core |  | Total
North America | ​ | $ | 350,256 | ​ | $ | 128,486 | ​ | $ | — | ​ | $ | 619 | ​ | $ | 479,361
Europe | ​ |  | 82,451 | ​ | ​ | 16,144 | ​ | ​ | — | ​ | ​ | 49 | ​ | ​ | 98,644
Oceania | ​ |  | 13,689 | ​ | ​ | 1,271 | ​ | ​ | — | ​ | ​ | 3 | ​ | ​ | 14,963
South America | ​ | ​ | 5,656 | ​ | ​ | 174 | ​ | ​ | — | ​ | ​ | 2 | ​ | ​ | 5,832
Africa | ​ | ​ | 727 | ​ | ​ | 77 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 804
Total | ​ | $ | 452,779 | ​ | $ | 146,152 | ​ | ​ | — | ​ | $ | 673 | ​ | $ | 599,604
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2024 |  | 2023
Long lived assets, net | ​ | ​ | ​ | ​ | ​ | ​
North America | ​ | $ | 1,579,495 | ​ | $ | 1,487,429
Europe and other | ​ |  | 158,854 | ​ | ​ | 162,529
Total | ​ | $ | 1,738,349 | ​ | $ | 1,649,958
​

X
- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
Name: | us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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