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GOVERNMENT GRANTS (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 16, 2020 USD ($) | Aug. 31, 2018 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2020 USD ($) MW item | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  | $ 123,702 | $ 111,739 | $ 109,098 | $ 110,905 | $ 112,085 | $ 115,616 | $ 107,721 | $ 103,300 | $ 455,444 | $ 438,722 | $ 451,207
Payment for PALs |  |  |  |  |  |  |  |  |  |  | $ 20,396 |  |
Universal Service Fund programs |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Number of fund disbursement programs | item |  |  |  |  |  |  |  |  |  |  | 4 |  |
Universal Service Fund programs | HURRICANES IRMA AND MARIA |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |  |  | 15,500
High-Cost Support Program | US Telecom |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | $ 1,200 | 1,200 | 1,200
High-Cost Support Program | International Telecom |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 16,400 | 16,400 | 16,500
Grant Funds Awarded | $ 8,600 |  |  |  |  |  |  |  |  |  |  |  | $ 16,400
Grant fund term | 10 years |  |  |  |  |  |  |  |  |  |  |  | 10 years
High-Cost Support Program | International Telecom | Grant Reduction During First Year |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Ratio of reduction in grant amount | 0.67 |  |  |  |  |  |  |  |  |  |  |  |
Amount of reduction in grant amount awarded | $ 10,900 |  |  |  |  |  |  |  |  |  |  |  |
High-Cost Support Program | International Telecom | Grant Reduction During Second Year |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Ratio of reduction in grant amount | 0.33 |  |  |  |  |  |  |  |  |  |  |  |
Amount of reduction in grant amount awarded | $ 5,500 |  |  |  |  |  |  |  |  |  |  |  |
High-Cost Support Program | International Telecom | HURRICANES IRMA AND MARIA |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,500
High-Cost Support Program | International Telecom | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed grant award |  |  |  |  |  |  |  |  |  |  |  |  | 18,700
E-Rate, Lifeline and Rural Health Care Support Programs |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 10,000 | 6,100 | 8,200
Network Connectivity for Eligible Communities |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Grant Funds Awarded |  |  |  |  |  |  |  |  |  |  | 1,000 | 15,800 |
Proceeds from completion of construction |  |  |  |  |  |  |  |  |  |  |  | 5,400 |
Reimbursement of capital expenditures |  |  |  |  |  |  |  |  |  |  |  | 3,100 |
Offsetting operating activities |  |  |  |  |  |  |  |  |  |  | 2,900 | 2,300 |
Construction obligation completed |  |  |  |  |  |  |  |  |  |  | 10,200 |  |
Construction obligation yet to be completed |  |  |  |  |  |  |  |  |  |  | $ 6,600 |  |
CARES Act |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Grant Funds Awarded |  |  | 16,300 |  |  |  |  |  |  |  |  |  |
Tribal Bidding Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Wireless service spectrum (in Mhz) | MW |  |  |  |  |  |  |  |  |  |  | 600 |  |
Revenue |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,400
Grant funds used to offset fixed asset related costs |  |  | 5,800 |  |  |  |  |  |  |  | $ 5,800 |  |
Grant funds used to offset operating expenses |  |  | 1,600 |  |  |  |  |  |  |  | 1,600 |  |
Offsetting operating activities |  |  |  |  |  |  |  |  |  |  | 200 |  |
Amount spent on capital expenditure |  |  |  |  |  |  |  |  |  |  | 5,800 |  |
Connect America Fund Phase II Auction |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 7,600 | $ 5,300 |
Grant Funds Awarded |  | $ 79,900 |  |  |  |  |  |  |  |  |  |  |
Grant fund term |  | 10 years |  |  |  |  |  |  |  |  |  |  |
CBRS Auction |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Initial term of licenses |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Payment for PALs |  |  |  | $ 20,400 |  |  |  |  |  |  |  |  |
RDOF |  |  |  |  |  |  |  |  |  |  |  |  |
Government Grants |  |  |  |  |  |  |  |  |  |  |  |  |
Grant funds expected to be awarded |  |  | $ 20,100 |  |  |  |  |  |  |  | $ 20,100 |  |
Grant fund term |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Number of households to receive broadband coverage | item |  |  |  |  |  |  |  |  |  |  | 10,000 |  |

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