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Consolidated Balance Sheets (Parenthetical) - Common units - shares	Dec. 31, 2025	Dec. 31, 2024
Publicly and Privately Held
Units issued	21,123,649	21,116,326
Units outstanding	21,123,649	21,116,326
Westlake
Units issued	14,122,230	14,122,230
Units outstanding	14,122,230	14,122,230

X

- Definition

The number of limited partner units issued.

+ References

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

+ Details

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X

- Definition

The number of limited partner units outstanding.

+ References

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

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