10-K Filing

Westlake Chemical Partners LP CIK: 1604665 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0001604665-18-000007`
Period End Date	20171231
Filing Date	20180301
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	wlkp-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 54 Income Statement 88 Cash Flow Statement 86 Stockholders Equity 33

Balance Sheet 54 line items

Line Item	Tag	Value	Unit	Period
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`	$27.01M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$133.75M	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`	-	USD	Point-in-time
Accounts receivable, netWestlake Chemical Corporation (Westlake)	`AccountsReceivableRelatedPartiesCurrent`	$126.98M	USD	Point-in-time
Accounts receivable, netWestlake Chemical Corporation (Westlake)	`AccountsReceivableRelatedPartiesCurrent`	$43.88M	USD	Point-in-time
Accounts receivable, netthird parties	`ReceivablesNetCurrent`	$12.09M	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`	$3.93M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$269.00K	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$314.00K	USD	Point-in-time
Total current assets	`AssetsCurrent`	$231.39M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$232.16M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$1.22B	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`	$95.01M	USD	Point-in-time
Deferred charges and other assets, net	`DeferredCostsAndOtherAssets`	$81.83M	USD	Point-in-time
Total assets	`Assets`	$1.56B	USD	Point-in-time
Total assets	`Assets`	$1.52B	USD	Point-in-time
Accounts payableWestlake	`AccountsPayableRelatedPartiesCurrent`	$12.13M	USD	Point-in-time
Accounts payableWestlake	`AccountsPayableRelatedPartiesCurrent`	$14.03M	USD	Point-in-time
Accounts payablethird parties	`AccountsPayableCurrent`	$9.93M	USD	Point-in-time
Accounts payablethird parties	`AccountsPayableCurrent`	$10.52M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$15.72M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$15.70M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$40.24M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$37.78M	USD	Point-in-time
Long-term debt payable to Westlake	`DueToRelatedPartiesNoncurrent`	$473.96M	USD	Point-in-time
Long-term debt payable to Westlake	`DueToRelatedPartiesNoncurrent`	$594.63M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.74M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$2.22M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$107.00K	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$123.00K	USD	Point-in-time
Total liabilities	`Liabilities`	$634.26M	USD	Point-in-time
Total liabilities	`Liabilities`	$516.53M	USD	Point-in-time
Commitments and contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$200.00K	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$279.00K	USD	Point-in-time
Total Westlake Chemical Partners LP partners' capital	`PartnersCapital`	$102.48M	USD	Point-in-time
Total Westlake Chemical Partners LP partners' capital	`PartnersCapital`	$219.81M	USD	Point-in-time
Noncontrolling interest in Westlake Chemical OpCo LP (OpCo)	`MinorityInterestInLimitedPartnerships`	$818.48M	USD	Point-in-time
Noncontrolling interest in Westlake Chemical OpCo LP (OpCo)	`MinorityInterestInLimitedPartnerships`	$778.93M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$998.75M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$834.95M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$847.17M	USD	Point-in-time
Total equity	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$920.96M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.52B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$1.56B	USD	Point-in-time

Income Statement 88 line items

Line Item	Tag	Value	Unit	Period
Net sales - Westlake	`RevenueFromRelatedParties`	$973.08M	USD	Annual
Net sales - Westlake	`RevenueFromRelatedParties`	$834.92M	USD	Annual
Net sales - Westlake	`RevenueFromRelatedParties`	$853.72M	USD	Annual
Net co-products, ethylene and feedstock salesthird parties	`OtherSalesRevenueNet`	$199.90M	USD	Annual
Net co-products, ethylene and feedstock salesthird parties	`OtherSalesRevenueNet`	$133.02M	USD	Annual
Net co-products, ethylene and feedstock salesthird parties	`OtherSalesRevenueNet`	$172.30M	USD	Annual
Net sales	`SalesRevenueNet`	$210.84M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$229.35M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$986.74M	USD	Annual
Net sales	`SalesRevenueNet`	$296.77M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$277.45M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$290.11M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$308.64M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$293.94M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$252.60M	USD	1 Quarter
Net sales	`SalesRevenueNet`	$1.17B	USD	Annual
Net sales	`SalesRevenueNet`	$1.01B	USD	Annual
Cost of sales	`CostOfGoodsSold`	$595.40M	USD	Annual
Cost of sales	`CostOfGoodsSold`	$769.31M	USD	Annual
Cost of sales	`CostOfGoodsSold`	$624.34M	USD	Annual
Gross profit	`GrossProfit`	$382.88M	USD	Annual
Gross profit	`GrossProfit`	$391.33M	USD	Annual
Gross profit	`GrossProfit`	$86.80M	USD	1 Quarter
Gross profit	`GrossProfit`	$110.73M	USD	1 Quarter
Gross profit	`GrossProfit`	$95.40M	USD	1 Quarter
Gross profit	`GrossProfit`	$99.57M	USD	1 Quarter
Gross profit	`GrossProfit`	$110.41M	USD	1 Quarter
Gross profit	`GrossProfit`	$105.73M	USD	1 Quarter
Gross profit	`GrossProfit`	$97.96M	USD	1 Quarter
Gross profit	`GrossProfit`	$403.67M	USD	Annual
Gross profit	`GrossProfit`	$88.38M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$23.55M	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`	$81.01M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$90.13M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$366.44M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$104.32M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$98.58M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$88.60M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$82.53M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$92.69M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$374.41M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$102.99M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$359.33M	USD	Annual
Interest expenseWestlake	`InterestExpenseRelatedParty`	$12.61M	USD	Annual
Interest expenseWestlake	`InterestExpenseRelatedParty`	$21.86M	USD	Annual
Interest expenseWestlake	`InterestExpenseRelatedParty`	$4.97M	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$1.79M	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$601.00K	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$160.00K	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$354.34M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$354.52M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$354.44M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$1.03M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$1.28M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$672.00K	USD	Annual
Net income	`ProfitLoss`	$98.31M	USD	1 Quarter
Net income	`ProfitLoss`	$75.86M	USD	1 Quarter
Net income	`ProfitLoss`	$86.03M	USD	1 Quarter
Net income	`ProfitLoss`	$102.77M	USD	1 Quarter
Net income	`ProfitLoss`	$86.47M	USD	1 Quarter
Net income	`ProfitLoss`	$353.85M	USD	Annual
Net income	`ProfitLoss`	$93.58M	USD	1 Quarter
Net income	`ProfitLoss`	$82.25M	USD	1 Quarter
Net income	`ProfitLoss`	$81.19M	USD	1 Quarter
Net income	`ProfitLoss`	$353.06M	USD	Annual
Net income	`ProfitLoss`	$353.40M	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`	$314.02M	USD	Annual
Less: Net income attributable to noncontrolling interest in OpCo	`NetIncomeLossAttributableToNoncontrollingInterest`	$312.46M	USD	Annual
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$9.76M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$9.97M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$13.38M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$10.85M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$39.83M	USD	Annual
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$8.66M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$15.55M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$9.34M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$12.08M	USD	1 Quarter
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$40.94M	USD	Annual
Limited partners' interest in net income subsequent to IPO	`NetIncomeLoss`	$48.67M	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`	27.06M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic and Diluted	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	28.39M	shares	Annual
Distributions per common unit (usd per unit)	`DistributionMadeToLimitedPartnerDistributionsPaidPerUnit`	$1.15	USD	Annual
Distributions per common unit (usd per unit)	`DistributionMadeToLimitedPartnerDistributionsPaidPerUnit`	$1.29	USD	Annual
Distributions per common unit (usd per unit)	`DistributionMadeToLimitedPartnerDistributionsPaidPerUnit`	$1.44	USD	Annual

Cash Flow Statement 86 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$98.31M	USD	1 Quarter
Net income	`ProfitLoss`	$75.86M	USD	1 Quarter
Net income	`ProfitLoss`	$86.03M	USD	1 Quarter
Net income	`ProfitLoss`	$102.77M	USD	1 Quarter
Net income	`ProfitLoss`	$86.47M	USD	1 Quarter
Net income	`ProfitLoss`	$353.85M	USD	Annual
Net income	`ProfitLoss`	$93.58M	USD	1 Quarter
Net income	`ProfitLoss`	$82.25M	USD	1 Quarter
Net income	`ProfitLoss`	$81.19M	USD	1 Quarter
Net income	`ProfitLoss`	$353.06M	USD	Annual
Net income	`ProfitLoss`	$353.40M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$113.98M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$98.21M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$81.21M	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`	$-1.81M	USD	Annual
Other losses (gains), net	`AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities`	$1.04M	USD	Annual
Other losses (gains), net	`AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities`	$286.00K	USD	Annual
Other losses (gains), net	`AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities`	$-738.00K	USD	Annual
Accounts receivable - third parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$552.00K	USD	Annual
Accounts receivable - third parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$6.15M	USD	Annual
Accounts receivable - third parties	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-25.42M	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`	$11.84M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-2.75M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$1.66M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$55.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$2.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$45.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets`	$55.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$836.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.17M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.44M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$2.32M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$3.79M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-9.00K	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$77.91M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$3.49M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$9.92M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$537.36M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$452.54M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$287.73M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$68.86M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$299.64M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$231.19M	USD	Annual
Receivable under the Investment Management AgreementWestlake	`IncreaseDecreaseinReceivablesunderInvestmentManagementAgreements`	-	USD	Annual
Receivable under the Investment Management AgreementWestlake	`IncreaseDecreaseinReceivablesunderInvestmentManagementAgreements`	$136.17M	USD	Annual
Receivable under the Investment Management AgreementWestlake	`IncreaseDecreaseinReceivablesunderInvestmentManagementAgreements`	-	USD	Annual
Other	`IncreaseDecreaseinCashusedforOtherInvestingactivities`	-	USD	Annual
Other	`IncreaseDecreaseinCashusedforOtherInvestingactivities`	$-1.80M	USD	Annual
Other	`IncreaseDecreaseinCashusedforOtherInvestingactivities`	$-157.00K	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-299.48M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-231.19M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-203.23M	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`	$110.74M	USD	Point-in-time
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
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	$212.18M	USD	Annual
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	$291.71M	USD	Annual
Proceeds from debt payable to Westlake	`ProceedsFromRelatedPartyDebt`	$165.26M	USD	Annual
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	$285.93M	USD	Annual
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	$1.55M	USD	Annual
Repayment of debt payable to Westlake	`RepaymentsOfRelatedPartyDebt`	$135.34M	USD	Annual
Quarterly distributions to noncontrolling interest retained in OpCo by Westlake	`PaymentsToMinorityShareholders`	$343.93M	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`	$310.84M	USD	Annual
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$42.12M	USD	Annual
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$31.07M	USD	Annual
Quarterly distributions to unitholders	`DistributionMadeToLimitedPartnerCashDistributionsPaid`	$34.94M	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`	$-185.55M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-80.66M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$35.81M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-61.89M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$169.56M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$88.90M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$27.01M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$133.75M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$169.56M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$88.90M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$27.01M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$133.75M	USD	Point-in-time

Stockholders Equity 33 line items

Line Item	Tag	Value	Unit	Period
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$998.75M	USD	Point-in-time
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$834.95M	USD	Point-in-time
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$847.17M	USD	Point-in-time
Equity, beginning balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$920.96M	USD	Point-in-time
Net income	`ProfitLoss`	$98.31M	USD	1 Quarter
Net income	`ProfitLoss`	$75.86M	USD	1 Quarter
Net income	`ProfitLoss`	$86.03M	USD	1 Quarter
Net income	`ProfitLoss`	$102.77M	USD	1 Quarter
Net income	`ProfitLoss`	$86.47M	USD	1 Quarter
Net income	`ProfitLoss`	$353.85M	USD	Annual
Net income	`ProfitLoss`	$93.58M	USD	1 Quarter
Net income	`ProfitLoss`	$82.25M	USD	1 Quarter
Net income	`ProfitLoss`	$81.19M	USD	1 Quarter
Net income	`ProfitLoss`	$353.06M	USD	Annual
Net income	`ProfitLoss`	$353.40M	USD	Annual
Net distributions to Westlake	`PartnersCapitalAccountDistributions`	$280.00K	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`	$110.74M	USD	Point-in-time
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
Subordinated unit conversion	`ConversionofUnitsAmount`	-	USD	Annual
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$34.94M	USD	Annual
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$42.12M	USD	Annual
Quarterly distribution to unitholders	`LimitedPartnersCapitalAccountDistributionAmount`	$31.07M	USD	Annual
Quarterly distribution to noncontrolling interest retained in OpCo by Westlake	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$310.84M	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`	$244.59M	USD	Annual
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$998.75M	USD	Point-in-time
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$834.95M	USD	Point-in-time
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$847.17M	USD	Point-in-time
Equity, ending balance	`PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest`	$920.96M	USD	Point-in-time

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