v3.20.4

PARTNERS' EQUITY Table 3 - Cash Distributions Declared - Common Limited Partners (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Distribution Made to Limited Partner [Line Items]
Common limited partners' distribution, per unit	$ 0.40	$ 0.40	$ 0.40	$ 0.40	$ 1.60	$ 2.40	$ 2.40
Common limited partners' distribution	$ 43,787	$ 43,678	$ 43,678	$ 43,730	$ 174,873	$ 259,136	$ 248,705
Common Limited Partner [Member]
Distribution Made to Limited Partner [Line Items]
Distribution date of record (distribution earned)	Feb. 08, 2021	Nov. 06, 2020	Aug. 07, 2020	May 11, 2020
Distribution payment date	Feb. 12, 2021	Nov. 13, 2020	Aug. 13, 2020	May 15, 2020

X

- Definition

Distribution amount earned during the period allocated to the common limited partners.

+ References

No definition available.

+ Details

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X

- Definition

Distribution amount per unit earned during the period allocated to the common limited partners.

+ References

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+ Details

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X

- Definition

Distribution payment date for distribution earned during the reporting period. Includes distributions to be paid to the limited partners and general partner.

+ References

No definition available.

+ Details

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X

- Definition

Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

+ 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

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Details

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