SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Oct. 01, 2018 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Jun. 30, 2018 |
Dec. 31, 2019 |
Dec. 31, 2017 |
Dec. 31, 2018 |
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| Goodwill impairment loss | $ 0 | ||||||
| Asset impairment losses | $ 8,400,000 | $ 297,300,000 | $ 305,700,000 | ||||
| Unrecognized tax benefits | $ 0 | $ 0 | |||||
| Tax years subject to examination | For U.S. federal and state purposes, as well as for our major non-U.S. jurisdictions, tax years subject to examination are 2016 through 2018, according to standard statute of limitations. | ||||||
| Payment terms | Generally, payment terms do not exceed 30 days. | ||||||
| Common unitholders ownership interest | 98.00% | ||||||
| General partner ownership interest | 2.00% | 2.00% | |||||
| Other long-term assets, net | |||||||
| Restricted cash | $ 8,800,000 | ||||||
| Other long-term liabilities | |||||||
| Asset retirement obligation | $ 200,000 | $ 200,000 | |||||
| X | ||||||||||
- Definition The general partner ownership interest (ownership percentage) in the limited partnership. Excludes other ownership interests held by the general partner in the limited partnership. No definition available.
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- Definition Percent of Net Income or Loss Allocated to Common Limited Partners No definition available.
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- Definition Tax year that remains open to examination under enacted tax laws No definition available.
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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