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Westlake Chemical Partners LP (Reconciliation of Proceeds from IPO) (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 0 Months Ended |
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Sep. 30, 2014 | Sep. 30, 2013 | Aug. 04, 2014 Westlake Chemical Partners LP [Member] IPO [Member] Subsidiaries [Member] | Aug. 04, 2014 Limited Partner [Member] Westlake Chemical Partners LP [Member] IPO [Member] Subsidiaries [Member] | Aug. 04, 2014 Cash Reserve Turnaround [Member] Westlake Chemical OpCo LP [Member] IPO [Member] Subsidiaries [Member]
Total proceeds from the initial public offering |  |  |  | $ 310,500 |
Less: Offering Costs |  |  |  | 24,412 |
Net proceeds from issuance of Westlake Chemical Partners LP common units | 286,088 | 0 |  | 286,088 |
Less: Cash retained by OpCo |  |  |  |  | 55,419
Net proceeds distributed to the Company from the initial public offering |  |  | $ 230,669 |  |

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- Definition The cash inflow from the issuance of common limited partners units during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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