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INCOME TAXES-Operating loss carryforward (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 09, 2016 | Dec. 31, 2018 | Dec. 31, 2016 | Jan. 31, 2016 | Aug. 31, 2016 | Mar. 31, 2016 | Jun. 30, 2016 | Dec. 31, 2016 | Sep. 09, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income taxes |  |  |  |  |  |  |  |  |  |  |  |
Amount of CODI |  |  | $ 844,700 |  |  |  |  |  |  |  |  |
Expiration of net operating losses |  | $ 891,500 | 750,000 |  |  |  |  | $ 750,000 |  | $ 891,500 |  | $ 750,000
Deferred tax expense |  | 95,800 |  |  |  |  |  | 4,744 |  | 95,791 | $ (5,000) | 0
Net operating loss carryforwards |  | 975,000 |  |  |  |  |  |  |  | 975,000 |  |
Net operating loss carryforward subject expiration in 2037 |  | $ 129,300 |  |  |  |  |  |  |  | 129,300 |  |
Carryforward period of NOLs that will expire in 2037 |  | 20 years |  |  |  |  |  |  |  |  |  |
Net operating carryforward not subject to expiration |  | $ 845,700 |  |  |  |  |  |  |  | 845,700 |  |
Recognized tax benefit |  | 81,600 |  |  |  |  |  |  |  | 81,600 |  |
Valuation allowance |  | 290,300 |  |  |  |  |  |  |  | 290,300 |  |
Decrease in valuation allowance |  |  |  |  |  |  |  |  |  | 136,400 |  |
Unrecognized tax benefits |  | $ 0 | $ 0 |  |  |  |  | 0 |  | 0 | $ 0 | 0
Open tax year (in years) |  |  |  |  |  |  |  |  |  |  | 3 years |
Interest and penalties |  |  |  |  |  |  |  | $ 0 |  | $ 0 | $ 0 |
Predecessor |  |  |  |  |  |  |  |  |  |  |  |
Income taxes |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax expense |  |  |  |  |  |  |  |  | $ (8,666) |  |  |
Unrecognized tax benefits | $ 0 |  |  |  |  |  |  |  | $ 0 |  |  |
Interest and penalties | $ 0 |  |  | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |  | $ 0

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