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SEGMENT REPORTING (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) segment | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Segment reporting |  |  |  |  |  |
Number of reportable segments | segment |  |  | 2 |  |  |
Revenue |  |  |  |  |  |
Revenue | $ 191,036 | $ 182,213 | $ 563,250 | $ 533,730 |  |
Depreciation and amortization | 34,370 | 33,312 | 106,991 | 100,421 |  |
Amortization of intangibles from acquisitions | 3,124 | 3,236 | 9,514 | 9,744 |  |
Non-cash stock-based compensation | 1,956 | 1,669 | 6,473 | 5,696 |  |
Operating income (loss) | 6,836 | 1,439 | 9,911 | 3,272 |  |
Segment Assets |  |  |  |  |  |
Cash, cash equivalents, and restricted cash | 73,087 | 77,809 | 73,087 | 77,809 | $ 59,728 | $ 80,697
Total current assets | 267,365 |  | 267,365 |  | 229,688 |
Fixed assets, net | 1,069,433 |  | 1,069,433 |  | 1,055,954 |
Goodwill | 40,104 |  | 40,104 |  | 40,104 |
Total assets | 1,751,226 |  | 1,751,226 |  | 1,707,869 |
Total current liabilities | 262,657 |  | 262,657 |  | 233,180 |
Total debt, including current portion | 498,377 |  | 498,377 |  | 421,900 |
Capital Expenditures |  |  |  |  |  |
Capital expenditures |  |  | 140,901 | 113,959 |  |
Government capital programs - Amounts disbursed |  |  | 14,261 | 4,015 |  |
Communication services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 184,601 | 173,977 | 547,484 | 512,315 |  |
Mobility |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 28,736 | 28,838 | 83,835 | 81,058 |  |
Mobility - Business |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 3,946 | 4,004 | 11,899 | 11,970 |  |
Mobility - Consumer |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 24,790 | 24,834 | 71,936 | 69,088 |  |
Fixed |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 118,325 | 110,219 | 353,892 | 324,062 |  |
Fixed - Business |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 53,696 | 51,087 | 160,096 | 144,348 |  |
Fixed - Consumer |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 64,629 | 59,132 | 193,796 | 179,714 |  |
Carrier services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 35,760 | 34,580 | 106,989 | 106,144 |  |
Other communication services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 1,780 | 340 | 2,768 | 1,051 |  |
Construction. |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 2,038 | 3,332 | 3,648 | 8,615 |  |
Other revenue |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 4,397 | 4,904 | 12,118 | 12,800 |  |
Managed Services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 4,397 | 4,904 | 12,118 | 12,800 |  |
Corporate and Other |  |  |  |  |  |
Revenue |  |  |  |  |  |
Depreciation and amortization | 618 | 845 | 2,030 | 2,766 |  |
Non-cash stock-based compensation | 1,803 | 1,483 | 6,057 | 5,225 |  |
Operating income (loss) | (8,981) | (12,637) | (27,547) | (29,418) |  |
Segment Assets |  |  |  |  |  |
Cash, cash equivalents, and restricted cash | 5,821 |  | 5,821 |  | 6,935 |
Total current assets | 8,197 |  | 8,197 |  | 8,326 |
Fixed assets, net | 5,455 |  | 5,455 |  | 7,538 |
Total assets | 83,528 |  | 83,528 |  | 83,662 |
Total current liabilities | 32,127 |  | 32,127 |  | 26,687 |
Total debt, including current portion | 149,326 |  | 149,326 |  | 99,000 |
Capital Expenditures |  |  |  |  |  |
Capital expenditures |  |  |  | 633 |  |
International Telecom | Operating segments |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 93,878 | 90,007 | 276,267 | 265,197 |  |
Depreciation and amortization | 14,354 | 14,126 | 42,646 | 43,109 |  |
Amortization of intangibles from acquisitions | 240 | 380 | 984 | 1,192 |  |
Non-cash stock-based compensation | 130 | 54 | 307 | 170 |  |
Operating income (loss) | 12,800 | 13,360 | 41,177 | 36,889 |  |
Segment Assets |  |  |  |  |  |
Cash, cash equivalents, and restricted cash | 35,588 |  | 35,588 |  | 26,418 |
Total current assets | 115,888 |  | 115,888 |  | 105,324 |
Fixed assets, net | 476,355 |  | 476,355 |  | 462,447 |
Goodwill | 4,835 |  | 4,835 |  | 4,835 |
Total assets | 671,285 |  | 671,285 |  | 643,664 |
Total current liabilities | 82,178 |  | 82,178 |  | 86,738 |
Total debt, including current portion | 63,209 |  | 63,209 |  | 59,659 |
Capital Expenditures |  |  |  |  |  |
Capital expenditures |  |  | 57,610 | 53,270 |  |
International Telecom | Operating segments | Communication services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 92,451 | 88,609 | 272,395 | 261,377 |  |
International Telecom | Operating segments | Mobility |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 27,791 | 26,482 | 80,754 | 75,022 |  |
International Telecom | Operating segments | Mobility - Business |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 3,818 | 3,706 | 11,484 | 10,997 |  |
International Telecom | Operating segments | Mobility - Consumer |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 23,973 | 22,776 | 69,270 | 64,025 |  |
International Telecom | Operating segments | Fixed |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 59,983 | 58,567 | 178,546 | 175,262 |  |
International Telecom | Operating segments | Fixed - Business |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 18,016 | 18,578 | 52,602 | 52,827 |  |
International Telecom | Operating segments | Fixed - Consumer |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 41,967 | 39,989 | 125,944 | 122,435 |  |
International Telecom | Operating segments | Carrier services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 3,441 | 3,220 | 11,011 | 10,042 |  |
International Telecom | Operating segments | Other communication services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 1,236 | 340 | 2,084 | 1,051 |  |
International Telecom | Operating segments | Other revenue |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 1,427 | 1,398 | 3,872 | 3,820 |  |
International Telecom | Operating segments | Managed Services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 1,427 | 1,398 | 3,872 | 3,820 |  |
US Telecom | Operating segments |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 97,158 | 92,206 | 286,983 | 268,533 |  |
Depreciation and amortization | 19,398 | 18,341 | 62,315 | 54,546 |  |
Amortization of intangibles from acquisitions | 2,884 | 2,856 | 8,530 | 8,552 |  |
Non-cash stock-based compensation | 23 | 132 | 109 | 301 |  |
Operating income (loss) | 3,017 | 716 | (3,719) | (4,199) |  |
Segment Assets |  |  |  |  |  |
Cash, cash equivalents, and restricted cash | 31,678 |  | 31,678 |  | 26,375 |
Total current assets | 143,280 |  | 143,280 |  | 116,038 |
Fixed assets, net | 587,623 |  | 587,623 |  | 585,969 |
Goodwill | 35,269 |  | 35,269 |  | 35,269 |
Total assets | 996,413 |  | 996,413 |  | 980,543 |
Total current liabilities | 148,352 |  | 148,352 |  | 119,755 |
Total debt, including current portion | 285,842 |  | 285,842 |  | $ 263,241 |
Capital Expenditures |  |  |  |  |  |
Capital expenditures |  |  | 83,291 | 60,056 |  |
US Telecom | Operating segments | Communication services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 92,150 | 85,368 | 275,089 | 250,938 |  |
US Telecom | Operating segments | Mobility |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 945 | 2,356 | 3,081 | 6,036 |  |
US Telecom | Operating segments | Mobility - Business |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 128 | 298 | 415 | 973 |  |
US Telecom | Operating segments | Mobility - Consumer |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 817 | 2,058 | 2,666 | 5,063 |  |
US Telecom | Operating segments | Fixed |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 58,342 | 51,652 | 175,346 | 148,800 |  |
US Telecom | Operating segments | Fixed - Business |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 35,680 | 32,509 | 107,494 | 91,521 |  |
US Telecom | Operating segments | Fixed - Consumer |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 22,662 | 19,143 | 67,852 | 57,279 |  |
US Telecom | Operating segments | Carrier services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 32,319 | 31,360 | 95,978 | 96,102 |  |
US Telecom | Operating segments | Other communication services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 544 |  | 684 |  |  |
US Telecom | Operating segments | Construction. |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 2,038 | 3,332 | 3,648 | 8,615 |  |
US Telecom | Operating segments | Other revenue |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | 2,970 | 3,506 | 8,246 | 8,980 |  |
US Telecom | Operating segments | Managed Services |  |  |  |  |  |
Revenue |  |  |  |  |  |
Revenue | $ 2,970 | $ 3,506 | $ 8,246 | $ 8,980 |  |

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