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GOODWILL (Details) |  | 1 Months Ended | 3 Months Ended | 11 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Feb. 03, 2016 | Feb. 28, 2016 | Dec. 31, 2017 USD ($) $ / shares | Nov. 30, 2015 USD ($) | Dec. 31, 2019 USD ($) reporting_unit | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) $ / shares | Feb. 29, 2016 $ / shares
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Goodwill |  |  | $ 225,273,000 |  | $ 225,273,000 | $ 225,273,000 | $ 225,273,000 |
Accumulated impairment losses |  |  | (112,821,000) |  | (112,821,000) | (112,821,000) | (112,821,000) |
Goodwill |  |  | $ 112,452,000 |  | $ 112,452,000 | 112,452,000 | $ 112,452,000 |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 15.15
Reverse stock split, conversion ratio | 0.2 | 5 |  |  |  |  |  |
Acquired goodwill |  |  |  | $ 225,300,000 |  |  |  |
Number of reporting units | reporting_unit |  |  |  |  | 1 |  |  |
Share price decrease/increase movement | $ / shares |  |  | $ 1.45 |  |  |  | $ 1.45 |
Share price movement since impairment testing date |  |  | 24.00% |  |  |  | 24.00% |
Market capitalization |  |  | $ 779,000,000 |  |  |  | $ 779,000,000 |
Share price (in dollars per share) | $ / shares |  |  | $ 4.59 |  |  |  | $ 4.59 |
Fair value of company |  |  | $ 1,013,000,000 |  |  |  | $ 1,013,000,000 |
Carrying value of company |  |  | 1,300,000,000 |  |  |  | 1,300,000,000 |
Estimate fair value of assets/liabilities |  |  | 901,000,000 |  |  |  | 901,000,000 |
Implied fair value of goodwill |  |  | 112,500,000 |  |  |  | 112,500,000 |
Impairment loss on goodwill |  |  | $ 112,800,000 |  | $ 0 | $ 0 | $ 112,821,000 |
Measurement Input, Control Premium |  |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |  |
Fair value inputs, control premium |  |  | 0.30 |  |  |  | 0.30 |

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