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GOVERNMENT SUPPORT AND SPECTRUM MATTERS (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) item | Mar. 31, 2023 USD ($) | Jul. 15, 2022 USD ($)
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | $ 172,908 | $ 172,557 |
Reimbursable capital expenditures | 13,473 | 2,127 |
Amounts accrued for reimbursable capital expenditures from government capital programs | 33,446 | 1,435 |
Government capital programs - Amounts received | 10,546 | 593 |
Payment for PALs | 573 |  |
USF, CAF II, RDOF, EOF, RHC and Other Programs | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 29,046 | 26,978 |
USF, CAF II, RDOF, EOF, RHC and Other Programs | US Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 27,338 | 25,577 |
USF, CAF II, RDOF, EOF, RHC and Other Programs | International Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | $ 1,708 | 1,401 |
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 | $ 4,848 | 3,891 |
High cost support program | US Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 3,455 | 2,494 |
High cost support program | International Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 1,393 | 1,397 |
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 |  |
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 |  |
CAF II | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 6,787 | 6,815 |
CAF II | US Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 6,787 | 6,815 |
TBCP and Reconnect |  |  |
Mobility Fund [Line Items] |  |  |
Grant funds awarded during the period | 192,600 |  |
Government capital programs - Amounts received | 10,400 |  |
Construction Obligation | 10,100 |  |
RDOF |  |  |
Mobility Fund [Line Items] |  |  |
Grant Funds Expected To Be Awarded | $ 22,700 |  |
Grant Fund Term | 10 years |  |
Number Of Households To Receive Broadband Coverage | item | 10,000 |  |
RDOF | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | $ 145 | 608 |
RDOF | US Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 145 | 608 |
ECF | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 6,813 | 8,067 |
ECF | US Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 6,813 | 8,067 |
RHC | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 3,437 | 2,900 |
RHC | US Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 3,437 | 2,900 |
Other Programs | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 7,016 | 4,697 |
Other Programs | US Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | 6,701 | 4,693 |
Other Programs | International Telecom | Communication services |  |  |
Mobility Fund [Line Items] |  |  |
Revenue from contract with customer | $ 315 | 4 |
Remove And Replace Program |  |  |
Mobility Fund [Line Items] |  |  |
Reimbursement period | 12 months |  |
Receivable for costs expected to be reimbursed | $ 49,134 | $ 6,710 |
Amounts accrued for reimbursable capital expenditures from government capital programs | 33,400 |  |
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 | 3,400 |  |
Government capital programs - Amounts received | $ 1,900 |  |

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