Consolidated Balance Sheets (Parenthetical) - Common units - shares	Dec. 31, 2024	Dec. 31, 2023
Publicly and Privately Held
Units issued	21,116,326	21,105,904
Units outstanding	21,116,326	21,105,904
Westlake
Units issued	14,122,230	14,122,230
Units outstanding	14,122,230	14,122,230

The number of limited partner units outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5

Name:	us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant