10-K Filing

Westlake Chemical Partners LP CIK: 1604665 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0001604665-19-000007`
Period End Date	20181231
Filing Date	20190301
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	wlkp-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 54 Income Statement 82 Cash Flow Statement 88 Stockholders Equity 33

Balance Sheet 54 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$27.01M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$169.56M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$88.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$19.74M	USD	Point-in-time
Receivable under the Investment Management AgreementWestlake Chemical Corporation (Westlake)	`ReceivablesunderInvestmentManagementAgreementswithRelatedPartiesCurrent`	$136.51M	USD	Point-in-time
Receivable under the Investment Management AgreementWestlake Chemical Corporation (Westlake)	`ReceivablesunderInvestmentManagementAgreementswithRelatedPartiesCurrent`	$148.96M	USD	Point-in-time
Accounts receivable, netWestlake Chemical Corporation (Westlake)	`AccountsReceivableRelatedPartiesCurrent`	$43.88M	USD	Point-in-time
Accounts receivable, netWestlake Chemical Corporation (Westlake)	`AccountsReceivableRelatedPartiesCurrent`	$57.28M	USD	Point-in-time
Accounts receivable, netthird parties	`ReceivablesNetCurrent`	$16.40M	USD	Point-in-time
Accounts receivable, netthird parties	`ReceivablesNetCurrent`	$18.08M	USD	Point-in-time
Inventories	`InventoryNet`	$5.59M	USD	Point-in-time
Inventories	`InventoryNet`	$4.39M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$370.00K	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$314.00K	USD	Point-in-time
Total current assets	`AssetsCurrent`	$247.14M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$231.39M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.15B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.20B	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`	$60.90M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$81.83M	USD	Point-in-time
Total assets	`Assets`	$1.46B	USD	Point-in-time
Total assets	`Assets`	$1.52B	USD	Point-in-time
Accounts payableWestlake	`AccountsPayableRelatedPartiesCurrent`	$14.03M	USD	Point-in-time
Accounts payableWestlake	`AccountsPayableRelatedPartiesCurrent`	$27.48M	USD	Point-in-time
Accounts payablethird parties	`AccountsPayableCurrent`	$5.04M	USD	Point-in-time
Accounts payablethird parties	`AccountsPayableCurrent`	$10.52M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$16.25M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$15.70M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$48.77M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$40.24M	USD	Point-in-time
Long-term debt payable to Westlake	`DueToRelatedPartiesNoncurrent`	$477.61M	USD	Point-in-time
Long-term debt payable to Westlake	`DueToRelatedPartiesNoncurrent`	$473.96M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$2.22M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.66M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	-	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$107.00K	USD	Point-in-time
Total liabilities	`Liabilities`	$516.53M	USD	Point-in-time
Total liabilities	`Liabilities`	$528.04M	USD	Point-in-time
Commitments and contingencies (Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	-	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$279.00K	USD	Point-in-time
Total Westlake Chemical Partners LP partners' capital	`PartnersCapital`	$219.81M	USD	Point-in-time
Total Westlake Chemical Partners LP partners' capital	`PartnersCapital`	$215.81M	USD	Point-in-time
Noncontrolling interest in Westlake Chemical OpCo LP (OpCo)	`MinorityInterestInLimitedPartnerships`	$718.27M	USD	Point-in-time
Noncontrolling interest in Westlake Chemical OpCo LP (OpCo)	`MinorityInterestInLimitedPartnerships`	$778.93M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$934.08M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$920.96M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$847.17M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$998.75M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.52B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.46B	USD	Point-in-time

Income Statement 82 line items

Line Item	Tag	Value	Unit	Period
Net sales - Westlake	`RevenueFromRelatedParties`	$973.08M	USD	Annual
Net sales - Westlake	`RevenueFromRelatedParties`	$853.72M	USD	Annual
Net sales - Westlake	`RevenueFromRelatedParties`	$1.07B	USD	Annual
Total net sales	`Revenues`	$986.74M	USD	Annual
Total net sales	`Revenues`	$1.17B	USD	Annual
Total net sales	`Revenues`	$363.65M	USD	1 Quarter
Total net sales	`Revenues`	$290.11M	USD	1 Quarter
Total net sales	`Revenues`	$308.64M	USD	1 Quarter
Total net sales	`Revenues`	$301.98M	USD	1 Quarter
Total net sales	`Revenues`	$277.45M	USD	1 Quarter
Total net sales	`Revenues`	$284.27M	USD	1 Quarter
Total net sales	`Revenues`	$1.29B	USD	Annual
Total net sales	`Revenues`	$335.73M	USD	1 Quarter
Total net sales	`Revenues`	$296.77M	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$908.46M	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$595.40M	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$769.31M	USD	Annual
Gross profit	`GrossProfit`	$110.73M	USD	1 Quarter
Gross profit	`GrossProfit`	$93.63M	USD	1 Quarter
Gross profit	`GrossProfit`	$391.33M	USD	Annual
Gross profit	`GrossProfit`	$93.91M	USD	1 Quarter
Gross profit	`GrossProfit`	$99.57M	USD	1 Quarter
Gross profit	`GrossProfit`	$95.40M	USD	1 Quarter
Gross profit	`GrossProfit`	$92.50M	USD	1 Quarter
Gross profit	`GrossProfit`	$377.16M	USD	Annual
Gross profit	`GrossProfit`	$403.67M	USD	Annual
Gross profit	`GrossProfit`	$97.96M	USD	1 Quarter
Gross profit	`GrossProfit`	$97.12M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$27.59M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$29.26M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$24.89M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$86.46M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$92.69M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$88.60M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$374.41M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$366.44M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$89.74M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$85.37M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$88.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$90.13M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$349.57M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$102.99M	USD	1 Quarter
Interest expenseWestlake	`InterestExpenseRelatedParty`	$12.61M	USD	Annual
Interest expenseWestlake	`InterestExpenseRelatedParty`	$21.86M	USD	Annual
Interest expenseWestlake	`InterestExpenseRelatedParty`	$21.43M	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$1.79M	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$601.00K	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$2.46M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$354.44M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$330.59M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$354.34M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$22.00K	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$1.03M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$1.28M	USD	Annual
Net income	`ProfitLoss`	$82.25M	USD	1 Quarter
Net income	`ProfitLoss`	$86.03M	USD	1 Quarter
Net income	`ProfitLoss`	$353.40M	USD	Annual
Net income	`ProfitLoss`	$83.80M	USD	1 Quarter
Net income	`ProfitLoss`	$353.06M	USD	Annual
Net income	`ProfitLoss`	$81.58M	USD	1 Quarter
Net income	`ProfitLoss`	$86.47M	USD	1 Quarter
Net income	`ProfitLoss`	$80.71M	USD	1 Quarter
Net income	`ProfitLoss`	$330.57M	USD	Annual
Net income	`ProfitLoss`	$84.48M	USD	1 Quarter
Net income	`ProfitLoss`	$98.31M	USD	1 Quarter
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$312.46M	USD	Annual
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$304.39M	USD	Annual
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$281.22M	USD	Annual
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$12.41M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$12.29M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$48.67M	USD	Annual
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$49.35M	USD	Annual
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$15.55M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$13.38M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$11.88M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$9.97M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$9.76M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$12.76M	USD	1 Quarter
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	`NetIncomeLoss`	$40.94M	USD	Annual
Weighted Average Number of Shares Outstanding, Basic and Diluted	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	27.06M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic and Diluted	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	32.24M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic and Diluted	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	28.39M	shares	Annual

Cash Flow Statement 88 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$82.25M	USD	1 Quarter
Net income	`ProfitLoss`	$86.03M	USD	1 Quarter
Net income	`ProfitLoss`	$353.40M	USD	Annual
Net income	`ProfitLoss`	$83.80M	USD	1 Quarter
Net income	`ProfitLoss`	$353.06M	USD	Annual
Net income	`ProfitLoss`	$81.58M	USD	1 Quarter
Net income	`ProfitLoss`	$86.47M	USD	1 Quarter
Net income	`ProfitLoss`	$80.71M	USD	1 Quarter
Net income	`ProfitLoss`	$330.57M	USD	Annual
Net income	`ProfitLoss`	$84.48M	USD	1 Quarter
Net income	`ProfitLoss`	$98.31M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$98.21M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$113.98M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$108.84M	USD	Annual
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-3.02M	USD	Annual
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-3.03M	USD	Annual
Loss from disposition of property, plant and equipment	`GainLossOnDispositionOfAssets`	$-1.85M	USD	Annual
Other losses (gains), net	`AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities`	$1.04M	USD	Annual
Other losses (gains), net	`AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities`	$347.00K	USD	Annual
Other losses (gains), net	`AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities`	$-738.00K	USD	Annual
Accounts receivable - third parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$6.15M	USD	Annual
Accounts receivable - third parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$552.00K	USD	Annual
Accounts receivable - third parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-1.47M	USD	Annual
Net accounts receivable - Westlake	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$-84.65M	USD	Annual
Net accounts receivable - Westlake	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$90.74M	USD	Annual
Net accounts receivable - Westlake	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$442.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-1.20M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$55.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$1.66M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$45.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$2.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$56.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.44M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.17M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-4.48M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$3.79M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-9.00K	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-1.97M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$488.00K	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$9.92M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$77.91M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$537.36M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$287.73M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$436.15M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$39.86M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$299.64M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$68.86M	USD	Annual
Maturities of investments with Westlake under the Investment Management Agreement	`MaturitiesofinvestmentswithWestlakeundertheInvestmentManagementAgreement`	$372.05M	USD	Annual
Maturities of investments with Westlake under the Investment Management Agreement	`MaturitiesofinvestmentswithWestlakeundertheInvestmentManagementAgreement`	$62.83M	USD	Annual
Maturities of investments with Westlake under the Investment Management Agreement	`MaturitiesofinvestmentswithWestlakeundertheInvestmentManagementAgreement`	-	USD	Annual
Investments with Westlake under the Investment Management Agreement	`InvestmentswithWestlakeundertheInvestmentManagementAgreement`	-	USD	Annual
Investments with Westlake under the Investment Management Agreement	`InvestmentswithWestlakeundertheInvestmentManagementAgreement`	$384.00M	USD	Annual
Investments with Westlake under the Investment Management Agreement	`InvestmentswithWestlakeundertheInvestmentManagementAgreement`	$199.00M	USD	Annual
Other	`CashProvidedbyUsedinInvestingActivitiesOther`	$157.00K	USD	Annual
Other	`CashProvidedbyUsedinInvestingActivitiesOther`	$1.80M	USD	Annual
Other	`CashProvidedbyUsedinInvestingActivitiesOther`	-	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-203.23M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-51.81M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-299.48M	USD	Annual
Net proceeds from common equity offering	`ProceedsFromIssuanceOrSaleOfEquity`	$110.70M	USD	Annual
Net proceeds from common equity offering	`ProceedsFromIssuanceOrSaleOfEquity`	-	USD	Annual
Net proceeds from common equity offering	`ProceedsFromIssuanceOrSaleOfEquity`	-	USD	Annual
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	$165.26M	USD	Annual
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	$3.65M	USD	Annual
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	$212.18M	USD	Annual
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	-	USD	Annual
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	$285.93M	USD	Annual
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	$1.55M	USD	Annual
Quarterly distributions to noncontrolling interest retained in OpCo by Westlake	`PaymentsToMinorityShareholders`	$244.59M	USD	Annual
Quarterly distributions to noncontrolling interest retained in OpCo by Westlake	`PaymentsToMinorityShareholders`	$341.89M	USD	Annual
Quarterly distributions to noncontrolling interest retained in OpCo by Westlake	`PaymentsToMinorityShareholders`	$343.93M	USD	Annual
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$53.36M	USD	Annual
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$34.94M	USD	Annual
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$42.12M	USD	Annual
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-68.90M	USD	Annual
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-396.02M	USD	Annual
Net cash used for financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-391.60M	USD	Annual
Net decrease in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-80.66M	USD	Annual
Net decrease in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-61.89M	USD	Annual
Net decrease in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-7.26M	USD	Annual
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$27.01M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$169.56M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$88.90M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$19.74M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$27.01M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$169.56M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$88.90M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$19.74M	USD	Point-in-time

Stockholders Equity 33 line items

Line Item	Tag	Value	Unit	Period
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$934.08M	USD	Point-in-time
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$920.96M	USD	Point-in-time
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$847.17M	USD	Point-in-time
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$998.75M	USD	Point-in-time
Net income	`ProfitLoss`	$82.25M	USD	1 Quarter
Net income	`ProfitLoss`	$86.03M	USD	1 Quarter
Net income	`ProfitLoss`	$353.40M	USD	Annual
Net income	`ProfitLoss`	$83.80M	USD	1 Quarter
Net income	`ProfitLoss`	$353.06M	USD	Annual
Net income	`ProfitLoss`	$81.58M	USD	1 Quarter
Net income	`ProfitLoss`	$86.47M	USD	1 Quarter
Net income	`ProfitLoss`	$80.71M	USD	1 Quarter
Net income	`ProfitLoss`	$330.57M	USD	Annual
Net income	`ProfitLoss`	$84.48M	USD	1 Quarter
Net income	`ProfitLoss`	$98.31M	USD	1 Quarter
Net effect of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-279.00K	USD	Annual
Net effect of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-80.00K	USD	Annual
Net effect of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$79.00K	USD	Annual
Proceeds from secondary public offering, net of finance and other offering costs	`ProceedsFromIssuanceOrSaleOfEquity`	$110.70M	USD	Annual
Proceeds from secondary public offering, net of finance and other offering costs	`ProceedsFromIssuanceOrSaleOfEquity`	-	USD	Annual
Proceeds from secondary public offering, net of finance and other offering costs	`ProceedsFromIssuanceOrSaleOfEquity`	-	USD	Annual
Units issued for vested phantom units	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$291.00K	USD	Annual
Subordinated unit conversion	`ConversionofUnitsAmount`	-	USD	Annual
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$42.12M	USD	Annual
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$34.94M	USD	Annual
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$53.36M	USD	Annual
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$343.93M	USD	Annual
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$341.89M	USD	Annual
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$244.59M	USD	Annual
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$934.08M	USD	Point-in-time
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$920.96M	USD	Point-in-time
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$847.17M	USD	Point-in-time
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$998.75M	USD	Point-in-time

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