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SEGMENT REPORTING (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 USD ($) segment | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Oct. 01, 2023 USD ($) | Dec. 31, 2020 USD ($)
Segment reporting |  |  |  |  |
Number of reportable segments | segment | 2 |  |  |  |
Number of operating segments | segment | 2 |  |  |  |
Revenue |  |  |  |  |
Revenue | $ 762,216 | $ 725,745 | $ 602,707 |  |
Depreciation and amortization | 141,627 | 135,137 | 102,731 |  |
Amortization of intangibles from acquisitions | 12,636 | 13,016 | 7,775 |  |
Non-cash stock-based compensation | 8,535 | 7,406 | 6,581 |  |
Operating income (loss) | 13,175 | 7,942 | (15,026) |  |
Segment Assets |  |  |  |  |
Cash, cash equivalents, and restricted cash | 62,167 | 59,728 | 80,697 |  | $ 104,997
Total current assets | 281,272 | 229,688 |  |  |
Fixed Assets, net | 1,080,659 | 1,055,954 |  |  |
Goodwill | 40,104 | 40,104 |  |  |
Total assets | 1,783,714 | 1,707,869 |  |  |
Total current liabilities | 293,194 | 233,180 |  |  |
Total debt, including current portion | 516,870 | 421,900 |  |  |
Capital Expenditures |  |  |  |  |
Capital expenditures | 196,168 | 168,019 |  |  |
Communication services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 735,082 | 692,221 | 549,620 |  |
Mobility |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 112,523 | 110,018 | 102,301 |  |
Mobility - Business |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 16,860 | 16,058 | 8,385 |  |
Mobility - Consumer |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 95,663 | 93,960 | 93,916 |  |
Fixed |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 472,773 | 438,384 | 328,643 |  |
Fixed - Business |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 214,537 | 196,638 | 120,741 |  |
Fixed - Consumer |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 258,236 | 241,746 | 207,902 |  |
Carrier services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 142,881 | 142,323 | 117,730 |  |
Other communication services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 6,905 | 1,496 | 946 |  |
Construction. |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 10,629 | 15,762 | 35,889 |  |
Other revenue |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 16,505 | 17,762 | 17,198 |  |
Renewable Energy |  |  |  |  |
Revenue |  |  |  |  |
Revenue |  |  | 417 |  |
Managed Services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 16,505 | 17,762 | 16,781 |  |
Corporate and Other |  |  |  |  |
Revenue |  |  |  |  |
Revenue |  |  | 417 |  |
Depreciation and amortization | 2,613 | 3,549 | 5,269 |  |
Non-cash stock-based compensation | 7,857 | 6,779 | 6,182 |  |
Operating income (loss) | (34,723) | (38,414) | (34,909) |  |
Segment Assets |  |  |  |  |
Cash, cash equivalents, and restricted cash | 2,239 | 6,935 |  |  |
Total current assets | 11,035 | 8,326 |  |  |
Fixed Assets, net | 4,915 | 7,538 |  |  |
Total assets | 91,619 | 83,662 |  |  |
Total current liabilities | 37,357 | 26,687 |  |  |
Total debt, including current portion | 159,009 | 99,000 |  |  |
Capital Expenditures |  |  |  |  |
Capital expenditures |  | 1,045 |  |  |
Corporate and Other | Other revenue |  |  |  |  |
Revenue |  |  |  |  |
Revenue |  |  | 417 |  |
Corporate and Other | Renewable Energy |  |  |  |  |
Revenue |  |  |  |  |
Revenue |  |  | 417 |  |
International Telecom |  |  |  |  |
Segment Assets |  |  |  |  |
Goodwill | 4,836 | 4,836 |  |  |
International Telecom | Operating segments |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 370,733 | 355,581 | 342,859 |  |
Depreciation and amortization | 57,420 | 56,568 | 53,858 |  |
Amortization of intangibles from acquisitions | 1,253 | 1,572 | 1,648 |  |
Non-cash stock-based compensation | 431 | 240 | 128 |  |
Operating income (loss) | 53,420 | 52,011 | 33,899 |  |
Segment Assets |  |  |  |  |
Cash, cash equivalents, and restricted cash | 26,354 | 26,418 |  |  |
Total current assets | 107,469 | 105,324 |  |  |
Fixed Assets, net | 481,911 | 462,447 |  |  |
Goodwill | 4,836 | 4,835 |  |  |
Total assets | 672,171 | 643,664 |  |  |
Total current liabilities | 86,540 | 86,738 |  |  |
Total debt, including current portion | 64,254 | 59,659 |  |  |
Capital Expenditures |  |  |  |  |
Capital expenditures | 76,379 | 70,385 |  |  |
International Telecom | Operating segments | Communication services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 365,406 | 350,651 | 337,713 |  |
International Telecom | Operating segments | Mobility |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 108,486 | 102,431 | 93,367 |  |
International Telecom | Operating segments | Mobility - Business |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 16,333 | 14,830 | 6,983 |  |
International Telecom | Operating segments | Mobility - Consumer |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 92,153 | 87,601 | 86,384 |  |
International Telecom | Operating segments | Fixed |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 239,168 | 233,311 | 233,463 |  |
International Telecom | Operating segments | Fixed - Business |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 71,215 | 69,903 | 67,458 |  |
International Telecom | Operating segments | Fixed - Consumer |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 167,953 | 163,408 | 166,005 |  |
International Telecom | Operating segments | Carrier services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 14,686 | 13,459 | 9,937 |  |
International Telecom | Operating segments | Other communication services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 3,066 | 1,450 | 946 |  |
International Telecom | Operating segments | Other revenue |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 5,327 | 4,930 | 5,146 |  |
International Telecom | Operating segments | Managed Services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 5,327 | 4,930 | 5,146 |  |
US Telecom |  |  |  |  |
Segment Assets |  |  |  |  |
Goodwill | 35,268 | 35,268 |  | $ 35,300 |
US Telecom | Operating segments |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 391,483 | 370,164 | 259,431 |  |
Depreciation and amortization | 81,594 | 75,020 | 43,604 |  |
Amortization of intangibles from acquisitions | 11,383 | 11,444 | 6,127 |  |
Non-cash stock-based compensation | 247 | 387 | 271 |  |
Operating income (loss) | (5,522) | (5,655) | (14,016) |  |
Segment Assets |  |  |  |  |
Cash, cash equivalents, and restricted cash | 33,574 | 26,375 |  |  |
Total current assets | 162,768 | 116,038 |  |  |
Fixed Assets, net | 593,833 | 585,969 |  |  |
Goodwill | 35,268 | 35,269 |  |  |
Total assets | 1,019,924 | 980,543 |  |  |
Total current liabilities | 169,297 | 119,755 |  |  |
Total debt, including current portion | 293,607 | 263,241 |  |  |
Capital Expenditures |  |  |  |  |
Capital expenditures | 119,789 | 96,589 |  |  |
US Telecom | Operating segments | Communication services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 369,676 | 341,570 | 211,907 |  |
US Telecom | Operating segments | Mobility |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 4,037 | 7,587 | 8,934 |  |
US Telecom | Operating segments | Mobility - Business |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 527 | 1,228 | 1,402 |  |
US Telecom | Operating segments | Mobility - Consumer |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 3,510 | 6,359 | 7,532 |  |
US Telecom | Operating segments | Fixed |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 233,605 | 205,073 | 95,180 |  |
US Telecom | Operating segments | Fixed - Business |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 143,322 | 126,735 | 53,283 |  |
US Telecom | Operating segments | Fixed - Consumer |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 90,283 | 78,338 | 41,897 |  |
US Telecom | Operating segments | Carrier services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 128,195 | 128,864 | 107,793 |  |
US Telecom | Operating segments | Other communication services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 3,839 | 46 |  |  |
US Telecom | Operating segments | Construction. |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 10,629 | 15,762 | 35,889 |  |
US Telecom | Operating segments | Other revenue |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 11,178 | 12,832 | 11,635 |  |
US Telecom | Operating segments | Managed Services |  |  |  |  |
Revenue |  |  |  |  |
Revenue | $ 11,178 | $ 12,832 | $ 11,635 |  |

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