Net Income Per Limited Partner Unit (Narrative) (Details) $ / shares in Units, $ in Millions		9 Months Ended
Oct. 20, 2020 USD ($) $ / shares	Sep. 30, 2020
Subsequent Event [Line Items]
Conversion ratio of preferred units to common units		1
Common Units \| Cash Distribution \| Subsequent Event
Subsequent Event [Line Items]
Quarterly cash distribution declared per limited partner unit (in dollars per share) \| $ / shares	$ 0.875
Distribution made to limited partner, cash distributions declared \| $	$ 200

Partners' Capital, Preferred Units Converted To Common Units, Conversion Ratio

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- Definition

Amount of equity impact of cash distribution declared to unit-holder of limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

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- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

+ References

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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