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INCOME TAXES (Tax Reform Act) (Details) - USD ($) $ in Thousands | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2017 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Impact of Tax Reform Act |  |  |  |  |  |
Statutory federal rate (as a percent) | 35.00% | 32.74% |  | 35.00% | 35.00% | 35.00%
Provisional reduction of deferred tax liabilities due to Tax Reform Act |  |  |  | $ 24,542 |  |
Provisional reduction in current income tax expense due Tax Reform Act reflecting use of fiscal year rather than calendar year federal income tax filing |  |  |  | $ 1,300 |  |
Forecast |  |  |  |  |  |
Impact of Tax Reform Act |  |  |  |  |  |
Statutory federal rate (as a percent) |  |  | 21.00% |  |  |

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