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Geographic and segment information: | 3 Months Ended
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Mar. 31, 2025
Geographic and segment information: |
Geographic and segment information: | 9. Geographic and segment information: Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker (“CODM”) in deciding how to allocate resources and in assessing the Company’s performance. The Company’s Chief Executive officer and Chairman, Dave Schaeffer is the Company’s CODM. The Company has one operating segment. The consolidated operating segment financial information regularly reviewed by the CODM, inclusive of assets, revenue, expenses, profit or loss, and noncash items are included in the Condensed Consolidated Statements of Comprehensive Income (Loss), Condensed Consolidated Balance Sheets, and Condensed Consolidated Statements of Cash Flows. ​ 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):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Three Months Ended March 31, 2025 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Revenues |  | On-net IP |  | Off-net IP |  | Wavelength |  | Non-core |  | Total
North America | ​ | $ | 99,080 | ​ | $ | 101,020 | ​ | $ | 6,891 | ​ | $ | 2,939 | ​ | $ | 209,930
Europe | ​ |  | 23,769 | ​ | ​ | 4,962 | ​ | ​ | 216 | ​ | ​ | 52 | ​ | ​ | 28,999
South America | ​ | ​ | 1,763 | ​ | ​ | 208 | ​ | ​ | — | ​ | ​ | 8 | ​ | ​ | 1,979
Oceania | ​ | ​ | 4,904 | ​ | ​ | 1,058 | ​ | ​ | 12 | ​ | ​ | 28 | ​ | ​ | 6,002
Africa | ​ | ​ | 112 | ​ | ​ | 26 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 138
Total | ​ | $ | 129,628 | ​ | $ | 107,274 | ​ | $ | 7,119 | ​ | $ | 3,027 | ​ | $ | 247,048
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Three Months Ended March 31, 2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Revenues |  | On-net IP |  | Off-net IP |  | Wavelengths |  | Non-core |  | Total
North America | ​ | $ | 108,694 | ​ | $ | 111,019 | ​ | $ | 3,327 | ​ | $ | 5,879 | ​ | $ | 228,919
Europe | ​ | ​ | 23,641 | ​ | ​ | 5,339 | ​ | ​ | — | ​ | ​ | 121 | ​ | ​ | 29,101
Oceania | ​ | ​ | 4,380 | ​ | ​ | 1,561 | ​ | ​ | — | ​ | ​ | 30 | ​ | ​ | 5,971
South America | ​ | ​ | 1,748 | ​ | ​ | 235 | ​ | ​ | — | ​ | ​ | 9 | ​ | ​ | 1,992
Africa | ​ | ​ | 161 | ​ | ​ | 24 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 185
Total | ​ | $ | 138,624 | ​ | $ | 118,178 | ​ | $ | 3,327 | ​ | $ | 6,039 | ​ | $ | 266,168
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
​ |  | 2025 |  | 2024
Long-lived assets, net | ​ | ​ | ​ | ​ | ​ | ​
North America | ​ | $ | 2,058,310 | ​ | $ | 1,579,495
Europe and other | ​ |  | 168,942 | ​ | ​ | 158,854
Total | ​ | $ | 2,227,252 | ​ | $ | 1,738,349
​ The majority of North American revenue consists of services delivered within the United States.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//280/tableOfContent Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 26 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-26 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-34 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 + Details
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