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Revenue Recognition (Revenue Expected to be Recognized in Future Periods) (Details) $ in Thousands | Jun. 30, 2020 USD ($)
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Offshore Pipeline Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 437,057
Onshore Facilities and Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | 58,709
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01 | Offshore Pipeline Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 36,542
Revenue expected timing of satisfaction period | 6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01 | Onshore Facilities and Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 31,735
Revenue expected timing of satisfaction period | 6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Offshore Pipeline Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 60,357
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Onshore Facilities and Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 22,271
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Offshore Pipeline Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 70,546
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Onshore Facilities and Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 4,703
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Offshore Pipeline Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 59,698
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Onshore Facilities and Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 0
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Offshore Pipeline Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 53,778
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Onshore Facilities and Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 0
Revenue expected timing of satisfaction period | 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Offshore Pipeline Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 156,136
Revenue expected timing of satisfaction period |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Onshore Facilities and Transportation |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Revenue expected to be recognized in future periods | $ 0
Revenue expected timing of satisfaction period |

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 + Details
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