PARTNERS' EQUITY Narrative 1 (Details) - USD ($) $ / shares in Units, $ in Thousands |
6 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 29, 2018 |
Apr. 18, 2017 |
Jun. 30, 2018 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
| Class of Stock [Line Items] | |||||
| Contributions from general partner | $ 204 | $ 13,597 | |||
| General partner ownership interest | 2.00% | ||||
| Common Limited Partner [Member] | |||||
| Class of Stock [Line Items] | |||||
| Issuance of units (units) | 413,736 | 14,375,000 | |||
| Units issued, price per unit | $ 24.17 | ||||
| Proceeds from issuance of common limited partner units | $ 10,200 | ||||
| General Partner [Member] | |||||
| Class of Stock [Line Items] | |||||
| Contributions from general partner | $ 200 | ||||
| General partner ownership interest | 2.00% | ||||