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GOVERNMENT SUPPORT AND SPECTRUM MATTERS (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) item | Jun. 30, 2023 USD ($) | Jul. 15, 2022 USD ($)
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | $ 169,366 | $ 173,438 | $ 342,274 | $ 345,996 |
Reimbursable capital expenditures |  |  | 46,198 | 6,986 |
Amounts accrued for reimbursable capital expenditures from government capital programs |  |  | 27,418 | 11,296 |
Government capital programs - Amounts received |  |  | 43,686 | 593 |
USF, CAF II, RDOF, EOF, RHC and Other Programs | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 17,847 | 25,415 | 46,892 | 52,394 |
USF, CAF II, RDOF, EOF, RHC and Other Programs | US Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 16,299 | 24,013 | 43,636 | 49,590 |
USF, CAF II, RDOF, EOF, RHC and Other Programs | International Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 1,548 | 1,402 | $ 3,256 | 2,804 |
Universal Service Fund programs |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Number of fund disbursement programs | item |  |  | 4 |  |
High cost support program | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 4,876 | 3,619 | $ 9,723 | 7,511 |
High cost support program | US Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 3,483 | 2,222 | 6,937 | 4,716 |
High cost support program | International Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 1,393 | 1,397 | 2,786 | 2,795 |
Government capital programs - Amounts received |  |  | 5,500 |  |
CAF II | Grant receivable through December 2025 |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Amount that has been funded or will be funded | 27,700 |  | 27,700 |  |
CAF II | Grant receivable from January 2026 through July 2028 |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Amount that has been funded or will be funded | 8,000 |  | 8,000 |  |
CAF II | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 6,784 | 6,815 | 13,571 | 13,630 |
CAF II | US Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 6,784 | 6,815 | 13,571 | 13,630 |
E-ACAM |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Amount that has been funded or will be funded | 118,200 |  | $ 118,200 |  |
Grant fund term |  |  | 15 years |  |
E-ACAM | Grant receivable from 2024 through 2030 |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Amount that has been funded or will be funded | 9,000 |  | $ 9,000 |  |
E-ACAM | Grant receivable in year 2038 |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Amount that has been funded or will be funded | 6,000 |  | 6,000 |  |
TBCP and Reconnect |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Grant funds awarded during the period |  |  | 192,600 |  |
Government capital programs - Amounts received |  |  | 11,300 |  |
Construction Obligation |  |  | 11,400 |  |
RDOF |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Grant funds expected to be awarded | 22,700 |  | $ 22,700 |  |
Grant fund term |  |  | 10 years |  |
Number of households to receive broadband coverage | item |  |  | 10,000 |  |
Transfer of obligation under pending approval of regulatory | 13,000 |  | $ 13,000 |  |
RDOF | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 145 | 608 | 290 | 1,216 |
RDOF | US Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 145 | 608 | 290 | 1,216 |
ECF | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 498 | 6,813 | 7,312 | 14,880 |
ECF | US Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 498 | 6,813 | 7,312 | 14,880 |
RHC | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 3,682 | 2,887 | 7,119 | 5,787 |
RHC | US Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 3,682 | 2,887 | 7,119 | 5,787 |
Other Programs | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 1,862 | 4,673 | 8,877 | 9,370 |
Other Programs | US Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | 1,707 | 4,668 | 8,407 | 9,361 |
Other Programs | International Telecom | Communication services |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Revenue from contract with customer | $ 155 | $ 5 | $ 470 | $ 9 |
Remove And Replace Program |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Reimbursement period |  |  | 12 months |  |
Amounts accrued for reimbursable capital expenditures from government capital programs |  |  | $ 27,300 |  |
Remove And Replace Program | Maximum |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Amount of cost reimbursement allocated |  |  |  |  | $ 207,000
Network Connectivity for Eligible Communities |  |  |  |  |
Mobility Fund [Line Items] |  |  |  |  |
Reimbursable capital expenditures |  |  | 3,600 |  |
Grant funds awarded during the period |  |  | 0 |  |
Government capital programs - Amounts received |  |  | $ 2,300 |  |

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