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IMPACT OF HURRICANES IRMA AND MARIA (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2018 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
IMPACT OF THE HURRICANES IRMA AND MARIA |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  | $ 451,207 |  |
Pre-tax loss |  | $ (11,336) | $ (27,920) | $ (12,868) | $ (1,618) | $ (41,196) | $ 21,860 | $ (13,505) | $ (14,712) | (53,742) | $ (47,553) | $ (45,374)
Loss on damaged assets from Hurricanes |  |  |  |  |  |  |  |  |  |  | 35,443 |
Insurance proceeds |  |  |  |  |  |  |  |  |  | 34,606 |  |
Payment for network repairs and resiliency enhancements |  |  |  |  |  |  |  |  |  | 80,152 | 8,585 |
HURRICANES IRMA AND MARIA |  |  |  |  |  |  |  |  |  |  |  |
IMPACT OF THE HURRICANES IRMA AND MARIA |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax loss |  |  |  |  |  |  |  |  |  |  | 4,000 |
Loss on damaged assets from Hurricanes |  |  |  |  |  |  |  |  |  |  | 35,400 |
Insurance proceeds | $ 34,600 |  |  |  |  |  |  |  |  |  |  |
Additional operating expenses |  |  |  |  |  |  |  |  |  |  | 3,200 |
Payment for network repairs and resiliency enhancements |  |  |  |  |  |  |  |  |  | 80,200 | $ 8,600 |
HURRICANES IRMA AND MARIA | Universal Service Fund programs |  |  |  |  |  |  |  |  |  |  |  |
IMPACT OF THE HURRICANES IRMA AND MARIA |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  | $ 15,500 |  |

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