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SEGMENT REPORTING (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) segment | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Oct. 01, 2022 USD ($)
Segment reporting |  |  |  |
Number of reportable segments | segment | 3 |  |  |
Revenue |  |  |  |
Revenue | $ 725,745 | $ 602,707 | $ 455,444 |
Depreciation | 135,137 | 102,731 | 86,504 |
Amortization of intangibles from acquisitions | 13,016 | 7,775 | 1,807 |
Non-cash stock-based compensation | 7,406 | 6,581 | 5,912 |
Operating income (loss) | 7,942 | (15,026) | 9,180 |
Segment Assets |  |  |  |
Cash, cash equivalents, and short term investments | 54,960 | 79,901 |  |
Total current assets | 229,688 | 232,617 |  |
Fixed assets, net | 1,055,954 | 943,209 |  |
Goodwill | 40,104 | 40,104 | 60,691 |
Total assets | 1,707,869 | 1,608,604 |  |
Total current liabilities | 233,180 | 220,944 |  |
Total debt | 467,248 | 366,544 |  |
Capital Expenditures |  |  |  |
Capital expenditures | 168,019 | 106,142 |  |
Communication services |  |  |  |
Revenue |  |  |  |
Revenue | 692,221 | 549,620 | 433,509 |
Mobility |  |  |  |
Revenue |  |  |  |
Revenue | 110,018 | 102,301 | 92,762 |
Mobility - Business |  |  |  |
Revenue |  |  |  |
Revenue | 16,058 | 8,385 | 4,723 |
Mobility - Consumer |  |  |  |
Revenue |  |  |  |
Revenue | 93,960 | 93,916 | 88,039 |
Fixed |  |  |  |
Revenue |  |  |  |
Revenue | 438,384 | 328,643 | 252,644 |
Fixed - Business |  |  |  |
Revenue |  |  |  |
Revenue | 196,638 | 120,741 | 78,013 |
Fixed - Consumer |  |  |  |
Revenue |  |  |  |
Revenue | 241,746 | 207,902 | 174,631 |
Carrier services |  |  |  |
Revenue |  |  |  |
Revenue | 142,323 | 117,730 | 86,568 |
Other communication services |  |  |  |
Revenue |  |  |  |
Revenue | 1,496 | 946 | 1,535 |
Construction. |  |  |  |
Revenue |  |  |  |
Revenue | 15,762 | 35,889 | 10,913 |
Other revenue |  |  |  |
Revenue |  |  |  |
Revenue | 17,762 | 17,198 | 11,022 |
Renewable Energy |  |  |  |
Revenue |  |  |  |
Revenue |  | 417 | 4,555 |
Managed Services |  |  |  |
Revenue |  |  |  |
Revenue | 17,762 | 16,781 | 6,467 |
Corporate and Other |  |  |  |
Revenue |  |  |  |
Depreciation | 3,549 | 5,081 | 6,486 |
Non-cash stock-based compensation | 6,779 | 6,160 | 5,586 |
Operating income (loss) | (37,613) | (32,450) | (33,966) |
Segment Assets |  |  |  |
Cash, cash equivalents, and short term investments | 6,474 | 7,628 |  |
Total current assets | 7,848 | 8,614 |  |
Fixed assets, net | 7,538 | 10,103 |  |
Total assets | 69,233 | 83,567 |  |
Total current liabilities | 26,326 | 20,548 |  |
Total debt | 99,000 | 61,499 |  |
Capital Expenditures |  |  |  |
Capital expenditures | 1,045 | 2,922 |  |
International Telecom |  |  |  |
Segment Assets |  |  |  |
Goodwill | 4,836 | 4,836 | 25,423 |
International Telecom | Operating segments |  |  |  |
Revenue |  |  |  |
Revenue | 355,581 | 342,859 | 328,633 |
Depreciation | 56,568 | 53,858 | 54,477 |
Amortization of intangibles from acquisitions | 1,572 | 1,648 | 1,807 |
Non-cash stock-based compensation | 240 | 128 | 49 |
Operating income (loss) | 52,011 | 33,899 | 58,924 |
Segment Assets |  |  |  |
Cash, cash equivalents, and short term investments | 25,345 | 43,128 |  |
Total current assets | 105,324 | 108,677 |  |
Fixed assets, net | 462,447 | 452,856 |  |
Goodwill | 4,835 | 4,835 |  |
Total assets | 643,664 | 630,515 |  |
Total current liabilities | 86,738 | 91,090 |  |
Total debt | 59,659 | 64,243 |  |
Capital Expenditures |  |  |  |
Capital expenditures | 70,385 | 49,985 |  |
International Telecom | Operating segments | Communication services |  |  |  |
Revenue |  |  |  |
Revenue | 350,651 | 337,713 | 322,166 |
International Telecom | Operating segments | Mobility |  |  |  |
Revenue |  |  |  |
Revenue | 102,431 | 93,367 | 83,136 |
International Telecom | Operating segments | Mobility - Business |  |  |  |
Revenue |  |  |  |
Revenue | 14,830 | 6,983 | 4,319 |
International Telecom | Operating segments | Mobility - Consumer |  |  |  |
Revenue |  |  |  |
Revenue | 87,601 | 86,384 | 78,817 |
International Telecom | Operating segments | Fixed |  |  |  |
Revenue |  |  |  |
Revenue | 233,311 | 233,463 | 230,375 |
International Telecom | Operating segments | Fixed - Business |  |  |  |
Revenue |  |  |  |
Revenue | 69,903 | 67,458 | 67,776 |
International Telecom | Operating segments | Fixed - Consumer |  |  |  |
Revenue |  |  |  |
Revenue | 163,408 | 166,005 | 162,599 |
International Telecom | Operating segments | Carrier services |  |  |  |
Revenue |  |  |  |
Revenue | 13,459 | 9,937 | 7,120 |
International Telecom | Operating segments | Other communication services |  |  |  |
Revenue |  |  |  |
Revenue | 1,450 | 946 | 1,535 |
International Telecom | Operating segments | Other revenue |  |  |  |
Revenue |  |  |  |
Revenue | 4,930 | 5,146 | 6,467 |
International Telecom | Operating segments | Managed Services |  |  |  |
Revenue |  |  |  |
Revenue | 4,930 | 5,146 | 6,467 |
US Telecom |  |  |  |
Segment Assets |  |  |  |
Goodwill | 35,268 | 35,268 | 35,268 | $ 35,300
US Telecom | Operating segments |  |  |  |
Revenue |  |  |  |
Revenue | 370,164 | 259,431 | 122,256 |
Depreciation | 75,020 | 43,604 | 23,325 |
Amortization of intangibles from acquisitions | 11,444 | 6,127 |  |
Non-cash stock-based compensation | 387 | 271 | 15 |
Operating income (loss) | (5,655) | (14,016) | 7,971 |
Segment Assets |  |  |  |
Cash, cash equivalents, and short term investments | 22,679 | 28,486 |  |
Total current assets | 116,038 | 111,741 |  |
Fixed assets, net | 585,969 | 480,250 |  |
Goodwill | 35,269 | 35,269 |  |
Total assets | 980,543 | 877,041 |  |
Total current liabilities | 119,755 | 108,950 |  |
Total debt | 308,589 | 240,802 |  |
Capital Expenditures |  |  |  |
Capital expenditures | 96,589 | 53,235 |  |
US Telecom | Operating segments | Communication services |  |  |  |
Revenue |  |  |  |
Revenue | 341,570 | 211,907 | 111,343 |
US Telecom | Operating segments | Mobility |  |  |  |
Revenue |  |  |  |
Revenue | 7,587 | 8,934 | 9,626 |
US Telecom | Operating segments | Mobility - Business |  |  |  |
Revenue |  |  |  |
Revenue | 1,228 | 1,402 | 404 |
US Telecom | Operating segments | Mobility - Consumer |  |  |  |
Revenue |  |  |  |
Revenue | 6,359 | 7,532 | 9,222 |
US Telecom | Operating segments | Fixed |  |  |  |
Revenue |  |  |  |
Revenue | 205,073 | 95,180 | 22,269 |
US Telecom | Operating segments | Fixed - Business |  |  |  |
Revenue |  |  |  |
Revenue | 126,735 | 53,283 | 10,237 |
US Telecom | Operating segments | Fixed - Consumer |  |  |  |
Revenue |  |  |  |
Revenue | 78,338 | 41,897 | 12,032 |
US Telecom | Operating segments | Carrier services |  |  |  |
Revenue |  |  |  |
Revenue | 128,864 | 107,793 | 79,448 |
US Telecom | Operating segments | Other communication services |  |  |  |
Revenue |  |  |  |
Revenue | 46 |  |  |
US Telecom | Operating segments | Construction. |  |  |  |
Revenue |  |  |  |
Revenue | 15,762 | 35,889 | 10,913 |
US Telecom | Operating segments | Other revenue |  |  |  |
Revenue |  |  |  |
Revenue | 12,832 | 11,635 |  |
US Telecom | Operating segments | Managed Services |  |  |  |
Revenue |  |  |  |
Revenue | 12,832 | 11,635 |  |
Renewable Energy | Operating segments |  |  |  |
Revenue |  |  |  |
Revenue |  | 417 | 4,555 |
Depreciation |  | 188 | 2,216 |
Non-cash stock-based compensation |  | 22 | 262 |
Operating income (loss) | (801) | (2,459) | (23,749) |
Segment Assets |  |  |  |
Cash, cash equivalents, and short term investments | 462 | 659 |  |
Total current assets | 478 | 3,585 |  |
Total assets | 14,429 | 17,481 |  |
Total current liabilities | $ 361 | 356 |  |
Renewable Energy | Operating segments | Other revenue |  |  |  |
Revenue |  |  |  |
Revenue |  | 417 | 4,555 |
Renewable Energy | Operating segments | Renewable Energy |  |  |  |
Revenue |  |  |  |
Revenue |  | $ 417 | $ 4,555 |

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