INCOME TAXES (Details) - USD ($)  | 
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019  | 
Jun. 30, 2018  | 
Jun. 30, 2019  | 
Jun. 30, 2018  | 
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| Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] | ||||
| Effective income tax rate | 23.30% | 13.70% | 12.20% | 18.00% | 
| 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 | 4,400,000 | 4,400,000 | ||
| Increase in unrecognized tax benefits is reasonably possible | $ 5,300,000 | $ 5,300,000 | ||
| X | ||||||||||
- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Amount of increase reasonably possible in the next twelve months for the unrecognized tax benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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| X | ||||||||||
- Details 
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| X | ||||||||||
- Details 
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