10-Q Filing

Westlake Chemical Partners LP CIK: 1604665 Q3 2020

Filing Information

Form Type	10-Q
Accession Number	`0001604665-20-000037`
Period End Date	20200930
Filing Date	20201104
Fiscal Year	2020
Fiscal Period	Q3
XBRL Instance	a2020093010qwlkp_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 54 Income Statement 60 Cash Flow Statement 66 Stockholders Equity 42

Balance Sheet 54 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$23.33M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$19.92M	USD	Point-in-time
Receivable under the Investment Management AgreementWestlake Chemical Corporation (Westlake)	`ReceivablesunderInvestmentManagementAgreementswithRelatedPartiesCurrent`	$162.77M	USD	Point-in-time
Receivable under the Investment Management AgreementWestlake Chemical Corporation (Westlake)	`ReceivablesunderInvestmentManagementAgreementswithRelatedPartiesCurrent`	$191.24M	USD	Point-in-time
Accounts receivable, netWestlake	`AccountsReceivableRelatedPartiesCurrent`	$42.85M	USD	Point-in-time
Accounts receivable, netWestlake	`AccountsReceivableRelatedPartiesCurrent`	$56.24M	USD	Point-in-time
Accounts receivable, netthird parties	`AccountsReceivableNetCurrent`	$9.91M	USD	Point-in-time
Accounts receivable, netthird parties	`AccountsReceivableNetCurrent`	$5.14M	USD	Point-in-time
Inventories	`InventoryNet`	$1.65M	USD	Point-in-time
Inventories	`InventoryNet`	$2.48M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$557.00K	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$470.00K	USD	Point-in-time
Total current assets	`AssetsCurrent`	$238.41M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$278.16M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.10B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.06B	USD	Point-in-time
Goodwill	`Goodwill`	$5.81M	USD	Point-in-time
Goodwill	`Goodwill`	$5.81M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$46.24M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$37.47M	USD	Point-in-time
Total assets	`Assets`	$1.39B	USD	Point-in-time
Total assets	`Assets`	$1.38B	USD	Point-in-time
Accounts payableWestlake	`AccountsPayableRelatedPartiesCurrent`	$15.20M	USD	Point-in-time
Accounts payableWestlake	`AccountsPayableRelatedPartiesCurrent`	$17.92M	USD	Point-in-time
Accounts payablethird parties	`AccountsPayableCurrent`	$6.14M	USD	Point-in-time
Accounts payablethird parties	`AccountsPayableCurrent`	$6.82M	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$17.51M	USD	Point-in-time
Accrued and other liabilities	`AccruedLiabilitiesCurrent`	$16.95M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$38.85M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$41.69M	USD	Point-in-time
Long-term debt payable to Westlake	`DueToRelatedPartiesNoncurrent`	$399.67M	USD	Point-in-time
Long-term debt payable to Westlake	`DueToRelatedPartiesNoncurrent`	$399.67M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.65M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.53M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$555.00K	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.15M	USD	Point-in-time
Total liabilities	`Liabilities`	$443.45M	USD	Point-in-time
Total liabilities	`Liabilities`	$441.32M	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total Westlake Chemical Partners LP partners' capital	`PartnersCapital`	$278.88M	USD	Point-in-time
Total Westlake Chemical Partners LP partners' capital	`PartnersCapital`	$277.51M	USD	Point-in-time
Noncontrolling interest in Westlake Chemical OpCo LP (OpCo)	`MinorityInterestInLimitedPartnerships`	$659.95M	USD	Point-in-time
Noncontrolling interest in Westlake Chemical OpCo LP (OpCo)	`MinorityInterestInLimitedPartnerships`	$674.62M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$934.08M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$952.13M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$972.11M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$938.83M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$935.85M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$979.95M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$962.73M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$950.09M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.38B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.39B	USD	Point-in-time

Income Statement 60 line items

Line Item	Tag	Value	Unit	Period
Weighted Average Number of Limited Partnership and General Partnership Unit Outstanding, Basic and Diluted	`WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted`	35.19M	shares	1 Quarter
Weighted Average Number of Limited Partnership and General Partnership Unit Outstanding, Basic and Diluted	`WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted`	34.25M	shares	3 Qtrs
Weighted Average Number of Limited Partnership and General Partnership Unit Outstanding, Basic and Diluted	`WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted`	35.19M	shares	3 Qtrs
Weighted Average Number of Limited Partnership and General Partnership Unit Outstanding, Basic and Diluted	`WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted`	35.19M	shares	1 Quarter
Net salesWestlake	`RevenueFromRelatedParties`	$217.76M	USD	1 Quarter
Net salesWestlake	`RevenueFromRelatedParties`	$660.02M	USD	3 Qtrs
Net salesWestlake	`RevenueFromRelatedParties`	$216.68M	USD	1 Quarter
Net salesWestlake	`RevenueFromRelatedParties`	$703.76M	USD	3 Qtrs
Total net sales	`Revenues`	$721.02M	USD	3 Qtrs
Total net sales	`Revenues`	$249.93M	USD	1 Quarter
Total net sales	`Revenues`	$231.97M	USD	1 Quarter
Total net sales	`Revenues`	$819.07M	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$427.05M	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$131.58M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$543.24M	USD	3 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$156.71M	USD	1 Quarter
Gross profit	`GrossProfit`	$93.22M	USD	1 Quarter
Gross profit	`GrossProfit`	$293.97M	USD	3 Qtrs
Gross profit	`GrossProfit`	$100.39M	USD	1 Quarter
Gross profit	`GrossProfit`	$275.83M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$6.82M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$21.43M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$6.25M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$18.59M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$254.40M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$94.14M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$86.40M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$275.38M	USD	3 Qtrs
Interest expenseWestlake	`InterestExpenseRelatedParty`	$4.41M	USD	1 Quarter
Interest expenseWestlake	`InterestExpenseRelatedParty`	$9.70M	USD	3 Qtrs
Interest expenseWestlake	`InterestExpenseRelatedParty`	$2.32M	USD	1 Quarter
Interest expenseWestlake	`InterestExpenseRelatedParty`	$15.44M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$17.00K	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$725.00K	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$2.53M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$565.00K	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$266.40M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$241.49M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$82.55M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$91.83M	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$-15.00K	USD	1 Quarter
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$408.00K	USD	3 Qtrs
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$509.00K	USD	3 Qtrs
Income tax provision (benefit)	`IncomeTaxExpenseBenefit`	$72.00K	USD	1 Quarter
Net income	`ProfitLoss`	$91.85M	USD	1 Quarter
Net income	`ProfitLoss`	$80.11M	USD	1 Quarter
Net income	`ProfitLoss`	$240.99M	USD	3 Qtrs
Net income	`ProfitLoss`	$78.40M	USD	1 Quarter
Net income	`ProfitLoss`	$82.48M	USD	1 Quarter
Net income	`ProfitLoss`	$80.38M	USD	1 Quarter
Net income	`ProfitLoss`	$266.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$93.77M	USD	1 Quarter
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$197.38M	USD	3 Qtrs
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$73.31M	USD	1 Quarter
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$67.56M	USD	1 Quarter
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$214.85M	USD	3 Qtrs
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$51.14M	USD	3 Qtrs
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$18.54M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$43.61M	USD	3 Qtrs
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$14.92M	USD	1 Quarter

Cash Flow Statement 66 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$91.85M	USD	1 Quarter
Net income	`ProfitLoss`	$80.11M	USD	1 Quarter
Net income	`ProfitLoss`	$240.99M	USD	3 Qtrs
Net income	`ProfitLoss`	$78.40M	USD	1 Quarter
Net income	`ProfitLoss`	$82.48M	USD	1 Quarter
Net income	`ProfitLoss`	$80.38M	USD	1 Quarter
Net income	`ProfitLoss`	$266.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$93.77M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$80.38M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$77.77M	USD	3 Qtrs
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-1.00M	USD	3 Qtrs
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-458.00K	USD	3 Qtrs
Other gains, net	`OtherNoncashIncomeExpense`	$522.00K	USD	3 Qtrs
Other gains, net	`OtherNoncashIncomeExpense`	$819.00K	USD	3 Qtrs
Accounts receivablethird parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-2.65M	USD	3 Qtrs
Accounts receivablethird parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-5.17M	USD	3 Qtrs
Net accounts receivableWestlake	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$10.14M	USD	3 Qtrs
Net accounts receivableWestlake	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$-8.22M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$-832.00K	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$88.00K	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$189.00K	USD	3 Qtrs
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$87.00K	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$711.00K	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-662.00K	USD	3 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$4.87M	USD	3 Qtrs
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$1.40M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$1.25M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$646.00K	USD	3 Qtrs
Cash flows from investing activities	`NetCashProvidedByUsedInOperatingActivities`	$340.88M	USD	3 Qtrs
Cash flows from investing activities	`NetCashProvidedByUsedInOperatingActivities`	$335.15M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$30.03M	USD	3 Qtrs
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$29.17M	USD	3 Qtrs
Maturities of investments with Westlake under the Investment Management Agreement	`MaturitiesofinvestmentswithWestlakeundertheInvestmentManagementAgreement`	$405.44M	USD	3 Qtrs
Maturities of investments with Westlake under the Investment Management Agreement	`MaturitiesofinvestmentswithWestlakeundertheInvestmentManagementAgreement`	$276.00M	USD	3 Qtrs
Investments with Westlake under the Investment Management Agreement	`InvestmentswithWestlakeundertheInvestmentManagementAgreement`	$305.00M	USD	3 Qtrs
Investments with Westlake under the Investment Management Agreement	`InvestmentswithWestlakeundertheInvestmentManagementAgreement`	$421.44M	USD	3 Qtrs
Other	`CashProvidedbyUsedinInvestingActivitiesOther`	-	USD	3 Qtrs
Other	`CashProvidedbyUsedinInvestingActivitiesOther`	$46.00K	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-58.17M	USD	3 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-45.98M	USD	3 Qtrs
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$62.93M	USD	1 Quarter
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	-	USD	3 Qtrs
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$-18.00K	USD	1 Quarter
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$62.66M	USD	3 Qtrs
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$-255.00K	USD	1 Quarter
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$62.93M	USD	Point-in-time
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	$123.51M	USD	3 Qtrs
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	-	USD	3 Qtrs
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	$201.44M	USD	3 Qtrs
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	-	USD	3 Qtrs
Quarterly distributions to noncontrolling interest retained in OpCo by Westlake	`PaymentsToMinorityShareholders`	$229.26M	USD	3 Qtrs
Quarterly distributions to noncontrolling interest retained in OpCo by Westlake	`PaymentsToMinorityShareholders`	$229.53M	USD	3 Qtrs
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$45.74M	USD	3 Qtrs
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$49.77M	USD	3 Qtrs
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-279.30M	USD	3 Qtrs
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-290.27M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-1.10M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$3.41M	USD	3 Qtrs
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.92M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.33M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.65M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.74M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.92M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.33M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.65M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.74M	USD	Point-in-time

Stockholders Equity 42 line items

Line Item	Tag	Value	Unit	Period
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$934.08M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$952.13M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$972.11M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$938.83M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$935.85M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$979.95M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$962.73M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$950.09M	USD	Point-in-time
Net income	`ProfitLoss`	$91.85M	USD	1 Quarter
Net income	`ProfitLoss`	$80.11M	USD	1 Quarter
Net income	`ProfitLoss`	$240.99M	USD	3 Qtrs
Net income	`ProfitLoss`	$78.40M	USD	1 Quarter
Net income	`ProfitLoss`	$82.48M	USD	1 Quarter
Net income	`ProfitLoss`	$80.38M	USD	1 Quarter
Net income	`ProfitLoss`	$266.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$93.77M	USD	1 Quarter
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$62.93M	USD	1 Quarter
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	-	USD	3 Qtrs
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$-18.00K	USD	1 Quarter
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$62.66M	USD	3 Qtrs
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$-255.00K	USD	1 Quarter
Net proceeds from private placement of common units	`ProceedsFromIssuanceOrSaleOfEquity`	$62.93M	USD	Point-in-time
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$16.59M	USD	1 Quarter
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$16.11M	USD	1 Quarter
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$16.59M	USD	1 Quarter
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$15.67M	USD	1 Quarter
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$13.96M	USD	1 Quarter
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$16.59M	USD	1 Quarter
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$78.03M	USD	1 Quarter
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$72.28M	USD	1 Quarter
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$75.49M	USD	1 Quarter
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$81.51M	USD	1 Quarter
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$79.22M	USD	1 Quarter
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$72.26M	USD	1 Quarter
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$934.08M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$952.13M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$972.11M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$938.83M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$935.85M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$979.95M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$962.73M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$950.09M	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.