v3.19.3.a.u2
UNIT-BASED COMPENSATION Narrative 1 (Details) - shares
Dec. 31, 2019
Apr. 23, 2019
Jul. 20, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common unit conversion rate     55.00%
The 2019 LTIP [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unit-based compensation, number of units authorized   2,500,000  
Unit-based compensation, number of units available to be awarded 2,230,392