EQUITY-BASED COMPENSATION - Equity Value Units (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
---|---|---|---|
Apr. 26, 2017 |
Jun. 30, 2017 |
Dec. 31, 2017 |
|
Equity Value Units | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Recapitalizing percentage | 33.33% | ||
Unrecognized share expense | $ 3.1 | ||
Recognition period | 2 years | ||
Equity Value Units, Equity Settled | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Units outstanding (in shares) | 1,000,000 | ||
Equity Value Units, Cash Settled | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Units outstanding (in shares) | 1,000,000 | ||
Units granted (in shares) | 225,000 | ||
Incremental compensation cost | $ 4.1 |