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DISCONTINUED OPERATIONS AND IMPAIRMENTS Table 1 - Discontinued Operations Income Statement Disclosures (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
(Loss) income from discontinued operations before income tax expense |  |  |  |  |  |  |  |  | $ (312,426) | $ 60,670 | $ 39,233
Income tax expense |  |  |  |  |  |  |  |  | 101 | 1,251 | 2,164
(Loss) income from discontinued operations, net of tax | $ 0 | $ (4,777) | $ (964) | $ (306,786) | $ (40,444) | $ 4,473 | $ 2,490 | $ 92,900 | (312,527) | 59,419 | 37,069
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 248,981 | 441,495 | 369,247
Cost of revenues |  |  |  |  |  |  |  |  | 220,595 | 407,256 | 318,532
Impairment losses |  |  |  |  |  |  |  |  | 336,838 | 0 | 0
General and administrative expenses (excluding depreciation and amortization expense) |  |  |  |  |  |  |  |  | 1,231 | 6,133 | 4,684
Other deprecation and amortization expense |  |  |  |  |  |  |  |  | 0 | 271 | 263
Total costs and expenses |  |  |  |  |  |  |  |  | 558,664 | 413,660 | 323,479
Operating (loss) income |  |  |  |  |  |  |  |  | (309,683) | 27,835 | 45,768
Interest income, net |  |  |  |  |  |  |  |  | 32 |  |
Interest expense, net |  |  |  |  |  |  |  |  |  | (1,839) | (1,309)
Other expense, net |  |  |  |  |  |  |  |  | $ (2,775) |  | $ (5,226)
Other income, net |  |  |  |  |  |  |  |  |  | $ 34,674 |

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