Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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- Definition

The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

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-Name Accounting Standards Codification
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- Definition

The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

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- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
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- Definition

Partners' Units, Maximum Aggregate Offering Amount, ATM

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No definition available.

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Westlake Chemical Partners LP (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Oct. 04, 2018	Mar. 31, 2024	Jun. 30, 2015
Related Party Transaction [Line Items]
Partners' capital, sold in public offering (in shares)			12,937,500
Partners' Units, Maximum Aggregate Offering Amount, ATM	$ 50
Subsidiary of Common Parent \| Limited Partner \| Westlake Chemical OpCo LP
Related Party Transaction [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest		22.80%
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest		77.20%
Subsidiary of Common Parent \| Limited Partner \| Westlake Chemical Partners LP
Related Party Transaction [Line Items]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest		40.10%
Ownership interest (in shares)		14,122,230