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INCOME TAXES - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |
Tax Cuts and Jobs Act of 2017, income tax benefit |  | $ 48,300,000 |  |  |
Effective income tax rate | 13.70% |  | 30.90% | 18.00% | 26.30%
Minimum |  |  |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |
Decrease in unrecognized tax benefits is reasonably possible | $ 0 |  |  | $ 0 |
Increase in unrecognized tax benefits is reasonably possible | 0 |  |  | 0 |
Maximum |  |  |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |
Decrease in unrecognized tax benefits is reasonably possible | 5,100,000 |  |  | 5,100,000 |
Increase in unrecognized tax benefits is reasonably possible | $ 22,200,000 |  |  | $ 22,200,000 |

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