v3.19.3.a.u2

ORGANIZATION AND OPERATIONS Narrative 4 (Details) - USD ($) $ in Thousands |  |  |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 26, 2019 | Jun. 29, 2018 | May 04, 2017 | Apr. 28, 2017 | Apr. 18, 2017 | Feb. 22, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Feb. 26, 2014
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance of units |  |  |  |  |  |  | $ 15,000 | $ 10,204 | $ 657,475 |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from note offering, net of issuance costs |  |  |  |  |  |  | 491,580 | 0 | 543,333 |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Axeon term loan |  |  |  |  |  |  | $ 0 | $ 0 | $ 110,000 |  |
Common Limited Partner [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of units (units) | 527,426 | 413,736 |  |  | 14,375,000 |  | 527,426 | 413,736 | 14,375,000 |  |
Proceeds from common unit issuance including general partner contribution |  | $ 10,200 |  |  | $ 657,500 |  |  |  |  |  |
Net proceeds from issuance of units |  |  |  |  |  |  | $ 15,000 | $ 10,000 | $ 643,878 |  |
Series B Preferred Limited Partner [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of units (units) |  |  |  | 15,400,000 |  |  |  |  |  |  |
Preferred units distribution percentage |  |  |  | 7.625% |  |  |  |  |  |  |
Net proceeds from issuance of units |  |  |  | $ 371,800 |  |  |  |  |  |  |
5.625% senior notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior notes issued |  |  |  | $ 550,000 |  |  | $ 550,000 | $ 550,000 |  |  |
Stated interest rate |  |  |  | 5.625% |  |  | 5.625% |  |  |  |
Axeon [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |  |  |  |  |  |
Axeon Term Loan Receivable |  |  |  |  |  |  |  |  |  |  | $ 190,000
Maximum Amount Guarantees |  |  |  |  |  |  |  |  |  | $ 125,000 |
Proceeds from Axeon term loan |  |  |  |  |  | $ 110,000 |  |  |  |  |
Navigator Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purchase price of Navigator Acquisition |  |  | $ 1,500,000 |  |  |  |  |  |  |  |

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