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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 | Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
IMPACT OF THE HURRICANES IRMA AND MARIA |  |  |  |  |
Pre-tax loss |  | $ (3,485) | $ (1,948) |  |
Payment for network repairs and resiliency enhancements |  |  | 123 |  |
Revenue |  | $ 110,905 | 103,300 |  |
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 |  |  | $ 100 |  |
HURRICANES IRMA AND MARIA | Universal Service Fund programs |  |  |  |  |
IMPACT OF THE HURRICANES IRMA AND MARIA |  |  |  |  |
Revenue |  |  |  | $ 15,500 |

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