$WLKP
Westlake Chemical Partners LP

2016 Q4 Form 10-K Financial Statement

#000160466518000007 Filed on March 01, 2018

View on sec.gov

Income Statement

Concept 2016 Q4 2016 Q3 2016 Q2
Revenue $293.9M $229.4M $210.8M
YoY Change 18.28% -7.75% -16.23%
Cost Of Revenue $188.2M $142.6M $122.5M
YoY Change 25.05% -7.72% -22.09%
Gross Profit $105.7M $86.80M $88.38M
YoY Change 7.91% -7.8% -6.5%
Gross Profit Margin 35.97% 37.85% 41.92%
Selling, General & Admin $7.200M $5.788M $5.848M
YoY Change 26.32% -0.74% -2.45%
% of Gross Profit 6.81% 6.67% 6.62%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $30.70M $19.77M $17.09M
YoY Change 49.03% 21.82% 5.64%
% of Gross Profit 29.03% 22.78% 19.34%
Operating Expenses $7.200M $5.788M $5.848M
YoY Change 26.32% -0.74% -2.45%
Operating Profit $98.58M $81.01M $82.53M
YoY Change 6.85% -8.27% -6.78%
Interest Expense -$5.200M -$4.900M -$1.200M
YoY Change 333.33% 345.45% -14.29%
% of Operating Profit -5.27% -6.05% -1.45%
Other Income/Expense, Net $400.0K -$13.00K $159.0K
YoY Change 100.0% -82.19% 381.82%
Pretax Income $93.70M $76.05M $81.49M
YoY Change 2.63% -12.77% -6.55%
Income Tax $100.0K $194.0K $297.0K
% Of Pretax Income 0.11% 0.26% 0.36%
Net Earnings $10.85M $8.661M $9.344M
YoY Change 0.61% -14.27% -10.52%
Net Earnings / Revenue 3.69% 3.78% 4.43%
Basic Earnings Per Share
Diluted Earnings Per Share $402.2K $321.0K $343.2K
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept 2016 Q4 2016 Q3 2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments $88.90M $75.00M $151.3M
YoY Change -47.58% -51.39% 10.2%
Cash & Equivalents $88.90M $75.01M $151.3M
Short-Term Investments
Other Short-Term Assets $300.0K $0.00 $100.0K
YoY Change 0.0% -100.0%
Inventory $3.934M $3.428M $2.493M
Prepaid Expenses
Receivables $138.3M $113.8M $68.70M
Other Receivables $736.0K $0.00 $0.00
Total Short-Term Assets $232.2M $192.3M $222.6M
YoY Change 3.05% -11.16% 11.76%
LONG-TERM ASSETS
Property, Plant & Equipment $1.222B $1.217B $1.203B
YoY Change 19.77% 26.53% 31.61%
Goodwill $5.814M $5.814M $5.814M
YoY Change 0.0% 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $100.8M $106.5M $98.18M
YoY Change 126.1% 128.83% 96.28%
Total Long-Term Assets $1.323B $1.344B $1.330B
YoY Change 24.22% 33.27% 37.89%
TOTAL ASSETS
Total Short-Term Assets $232.2M $192.3M $222.6M
Total Long-Term Assets $1.323B $1.344B $1.330B
Total Assets $1.555B $1.537B $1.552B
YoY Change 20.53% 25.42% 33.42%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $9.930M $19.19M $67.17M
YoY Change -47.0% -22.85% 199.61%
Accrued Expenses $15.72M $20.95M $77.07M
YoY Change -32.85% -6.26% 341.5%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $37.78M $47.58M $170.8M
YoY Change -34.52% -15.81% 213.98%
LONG-TERM LIABILITIES
Long-Term Debt $594.6M $595.1M $515.3M
YoY Change 54.84% 80.06% 83.38%
Other Long-Term Liabilities $123.0K $243.0K $640.0K
YoY Change 36.67% 10.96% 1728.57%
Total Long-Term Liabilities $123.0K $243.0K $640.0K
YoY Change 36.67% 10.96% 1728.57%
TOTAL LIABILITIES
Total Short-Term Liabilities $37.78M $47.58M $170.8M
Total Long-Term Liabilities $123.0K $243.0K $640.0K
Total Liabilities $634.3M $644.7M $688.5M
YoY Change 43.12% 65.85% 104.27%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $102.5M $100.4M $100.2M
YoY Change
Total Liabilities & Shareholders Equity $1.555B $1.537B $1.552B
YoY Change 20.53% 25.42% 33.42%

Cashflow Statement

Concept 2016 Q4 2016 Q3 2016 Q2
OPERATING ACTIVITIES
Net Income $10.85M $8.661M $9.344M
YoY Change 0.61% -14.27% -10.52%
Depreciation, Depletion And Amortization $30.70M $19.77M $17.09M
YoY Change 49.03% 21.82% 5.64%
Cash From Operating Activities $110.3M -$7.900M $72.70M
YoY Change -9.07% -107.8% -37.7%
INVESTING ACTIVITIES
Capital Expenditures -$31.00M -$100.1M -$89.40M
YoY Change -60.56% 75.31% 59.64%
Acquisitions
YoY Change
Other Investing Activities $0.00 $100.0K $0.00
YoY Change
Cash From Investing Activities -$31.00M -$100.1M -$89.40M
YoY Change -60.56% 75.31% 59.64%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -65.50M 31.70M -10.60M
YoY Change 139.05% -216.12% -84.48%
NET CHANGE
Cash From Operating Activities 110.3M -7.900M 72.70M
Cash From Investing Activities -31.00M -100.1M -89.40M
Cash From Financing Activities -65.50M 31.70M -10.60M
Net Change In Cash 13.80M -76.30M -27.30M
YoY Change -9.8% -551.48% 259.21%
FREE CASH FLOW
Cash From Operating Activities $110.3M -$7.900M $72.70M
Capital Expenditures -$31.00M -$100.1M -$89.40M
Free Cash Flow $141.3M $92.20M $162.1M
YoY Change -29.31% -41.79% -6.14%

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42117000 USD
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0.0372
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LongtermDebtWeightedAverageInterestRate
0.0376
CY2016Q4 us-gaap Machinery And Equipment Gross
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1690317000 USD
CY2017Q4 us-gaap Machinery And Equipment Gross
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CY2015 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
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310842000 USD
CY2016 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
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244590000 USD
CY2017 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
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CY2016Q4 us-gaap Minority Interest In Limited Partnerships
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CY2015 us-gaap Net Cash Provided By Used In Financing Activities
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CY2016 us-gaap Net Cash Provided By Used In Financing Activities
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CY2017 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-396020000 USD
CY2015 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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CY2016 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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CY2017 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-203229000 USD
CY2015 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
452542000 USD
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NetCashProvidedByUsedInOperatingActivities
287726000 USD
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NetCashProvidedByUsedInOperatingActivities
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NetIncomeLoss
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NetIncomeLoss
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NetIncomeLoss
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CY2016Q3 us-gaap Net Income Loss
NetIncomeLoss
8661000 USD
CY2016Q4 us-gaap Net Income Loss
NetIncomeLoss
10851000 USD
CY2016 us-gaap Net Income Loss
NetIncomeLoss
40940000 USD
CY2017Q1 us-gaap Net Income Loss
NetIncomeLoss
9764000 USD
CY2017Q2 us-gaap Net Income Loss
NetIncomeLoss
9975000 USD
CY2017Q3 us-gaap Net Income Loss
NetIncomeLoss
13385000 USD
CY2017Q4 us-gaap Net Income Loss
NetIncomeLoss
15546000 USD
CY2017 us-gaap Net Income Loss
NetIncomeLoss
48670000 USD
CY2015 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
314022000 USD
CY2016 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
312463000 USD
CY2017 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
304388000 USD
CY2015 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
160000 USD
CY2016 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
601000 USD
CY2017 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
1792000 USD
CY2015 us-gaap Operating Income Loss
OperatingIncomeLoss
359332000 USD
CY2016Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
104317000 USD
CY2016Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
82533000 USD
CY2016Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
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CY2016Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
98581000 USD
CY2016 us-gaap Operating Income Loss
OperatingIncomeLoss
366444000 USD
CY2017Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
90133000 USD
CY2017Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
92685000 USD
CY2017Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
88598000 USD
CY2017Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
102991000 USD
CY2017 us-gaap Operating Income Loss
OperatingIncomeLoss
374407000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
2961000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
790000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
256000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
539000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
654000 USD
CY2016Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
123000 USD
CY2017Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
107000 USD
CY2016Q4 us-gaap Other Receivables Net Current
OtherReceivablesNetCurrent
736000 USD
CY2017Q4 us-gaap Other Receivables Net Current
OtherReceivablesNetCurrent
0 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
722000 USD
CY2017Q4 us-gaap Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
0 USD
CY2015 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
3125000 USD
CY2016 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
2542000 USD
CY2017 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
2410000 USD
CY2016 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
-80000 USD
CY2017 us-gaap Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
79000 USD
CY2015 us-gaap Other Sales Revenue Net
OtherSalesRevenueNet
172303000 USD
CY2016 us-gaap Other Sales Revenue Net
OtherSalesRevenueNet
133017000 USD
CY2017 us-gaap Other Sales Revenue Net
OtherSalesRevenueNet
199900000 USD
CY2016Q4 us-gaap Partners Capital
PartnersCapital
102484000 USD
CY2017Q4 us-gaap Partners Capital
PartnersCapital
219814000 USD
CY2015 us-gaap Partners Capital Account Distributions
PartnersCapitalAccountDistributions
280000 USD
CY2014Q4 us-gaap Partners Capital Including Portion Attributable To Noncontrolling Interest
PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
834950000 USD
CY2015Q4 us-gaap Partners Capital Including Portion Attributable To Noncontrolling Interest
PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
847167000 USD
CY2016Q4 us-gaap Partners Capital Including Portion Attributable To Noncontrolling Interest
PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
920963000 USD
CY2017Q4 us-gaap Partners Capital Including Portion Attributable To Noncontrolling Interest
PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
998749000 USD
CY2015 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
231185000 USD
CY2016 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
299638000 USD
CY2017 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
68858000 USD
CY2015 us-gaap Payments To Minority Shareholders
PaymentsToMinorityShareholders
310842000 USD
CY2016 us-gaap Payments To Minority Shareholders
PaymentsToMinorityShareholders
244590000 USD
CY2017 us-gaap Payments To Minority Shareholders
PaymentsToMinorityShareholders
343932000 USD
CY2016Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
269000 USD
CY2017Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
314000 USD
CY2017Q3 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
110739000 USD
CY2017Q3 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
110739000 USD
CY2015 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
0 USD
CY2016 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
0 USD
CY2017 us-gaap Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
110698000 USD
CY2015 us-gaap Proceeds From Related Party Debt
ProceedsFromRelatedPartyDebt
291709000 USD
CY2016 us-gaap Proceeds From Related Party Debt
ProceedsFromRelatedPartyDebt
212175000 USD
CY2017 us-gaap Proceeds From Related Party Debt
ProceedsFromRelatedPartyDebt
165257000 USD
CY2015 us-gaap Profit Loss
ProfitLoss
353853000 USD
CY2016Q1 us-gaap Profit Loss
ProfitLoss
102771000 USD
CY2016Q2 us-gaap Profit Loss
ProfitLoss
81192000 USD
CY2016Q3 us-gaap Profit Loss
ProfitLoss
75859000 USD
CY2016Q4 us-gaap Profit Loss
ProfitLoss
93581000 USD
CY2016 us-gaap Profit Loss
ProfitLoss
353403000 USD
CY2017Q1 us-gaap Profit Loss
ProfitLoss
86028000 USD
CY2017Q4 us-gaap Profit Loss
ProfitLoss
98315000 USD
CY2017 us-gaap Profit Loss
ProfitLoss
353058000 USD
CY2016Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
1222238000 USD
CY2017Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
1196245000 USD
CY2016Q4 us-gaap Property Plant And Equipment Other
PropertyPlantAndEquipmentOther
72215000 USD
CY2017Q4 us-gaap Property Plant And Equipment Other
PropertyPlantAndEquipmentOther
83167000 USD
CY2016Q4 us-gaap Receivables Net Current
ReceivablesNetCurrent
12085000 USD
CY2017Q2 us-gaap Profit Loss
ProfitLoss
86470000 USD
CY2017Q3 us-gaap Profit Loss
ProfitLoss
82245000 USD
CY2017Q4 us-gaap Receivables Net Current
ReceivablesNetCurrent
18083000 USD
CY2015 us-gaap Repayments Of Related Party Debt
RepaymentsOfRelatedPartyDebt
135341000 USD
CY2016 us-gaap Repayments Of Related Party Debt
RepaymentsOfRelatedPartyDebt
1552000 USD
CY2017 us-gaap Repayments Of Related Party Debt
RepaymentsOfRelatedPartyDebt
285926000 USD
CY2015 us-gaap Revenue From Related Parties
RevenueFromRelatedParties
834918000 USD
CY2016 us-gaap Revenue From Related Parties
RevenueFromRelatedParties
853719000 USD
CY2017 us-gaap Revenue From Related Parties
RevenueFromRelatedParties
973081000 USD
CY2015 us-gaap Sales Revenue Net
SalesRevenueNet
1007221000 USD
CY2016Q1 us-gaap Sales Revenue Net
SalesRevenueNet
252604000 USD
CY2016Q2 us-gaap Sales Revenue Net
SalesRevenueNet
210841000 USD
CY2016Q3 us-gaap Sales Revenue Net
SalesRevenueNet
229354000 USD
CY2016Q4 us-gaap Sales Revenue Net
SalesRevenueNet
293937000 USD
CY2016 us-gaap Sales Revenue Net
SalesRevenueNet
986736000 USD
CY2017Q1 us-gaap Sales Revenue Net
SalesRevenueNet
277448000 USD
CY2017Q2 us-gaap Sales Revenue Net
SalesRevenueNet
290113000 USD
CY2017Q3 us-gaap Sales Revenue Net
SalesRevenueNet
296775000 USD
CY2017Q4 us-gaap Sales Revenue Net
SalesRevenueNet
308645000 USD
CY2017 us-gaap Sales Revenue Net
SalesRevenueNet
1172981000 USD
CY2015 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
23550000 USD
CY2016 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
24887000 USD
CY2017 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
29260000 USD
CY2015 us-gaap Undistributed Earnings
UndistributedEarnings
7865000 USD
CY2016 us-gaap Undistributed Earnings
UndistributedEarnings
4859000 USD
CY2017 us-gaap Undistributed Earnings
UndistributedEarnings
2962000 USD
CY2015 us-gaap Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
27059730 shares
CY2016 us-gaap Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
27059730 shares
CY2017 us-gaap Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
28392470 shares
CY2016Q4 wlkp Accrued Capital Expenditures Current
AccruedCapitalExpendituresCurrent
2647000 USD
CY2017Q4 wlkp Accrued Capital Expenditures Current
AccruedCapitalExpendituresCurrent
3197000 USD
CY2017Q4 wlkp Accrued Intereston Receivablesunder Investment Management Agreementswith Related Parties Current
AccruedInterestonReceivablesunderInvestmentManagementAgreementswithRelatedPartiesCurrent
340000 USD
CY2016Q4 wlkp Accrued Maintenance Expense Current
AccruedMaintenanceExpenseCurrent
2586000 USD
CY2017Q4 wlkp Accrued Maintenance Expense Current
AccruedMaintenanceExpenseCurrent
3698000 USD
CY2015 wlkp Adjustmentsfor Other Losses Gainsto Reconcile Net Incometo Cash Providedby Usedin Operating Activities
AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities
286000 USD
CY2016 wlkp Adjustmentsfor Other Losses Gainsto Reconcile Net Incometo Cash Providedby Usedin Operating Activities
AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities
-738000 USD
CY2017 wlkp Adjustmentsfor Other Losses Gainsto Reconcile Net Incometo Cash Providedby Usedin Operating Activities
AdjustmentsforOtherLossesGainstoReconcileNetIncometoCashProvidedbyUsedinOperatingActivities
1040000 USD
CY2017 wlkp Conversionof Units Amount
ConversionofUnitsAmount
0 USD
CY2016Q4 wlkp Discounted Cash Flow Methodology Asset Impairment Number Of Years Forecasted
DiscountedCashFlowMethodologyAssetImpairmentNumberOfYearsForecasted
P9Y
CY2016Q4 wlkp Discounted Cash Flow Methodology Goodwill Impairment Discount Rate
DiscountedCashFlowMethodologyGoodwillImpairmentDiscountRate
0.083
CY2017 wlkp Finite Lived Intangible Assets Amortization Period Maximum
FiniteLivedIntangibleAssetsAmortizationPeriodMaximum
P15Y
CY2017 wlkp Finite Lived Intangible Assets Amortization Period Minimum
FiniteLivedIntangibleAssetsAmortizationPeriodMinimum
P5Y
CY2015 wlkp Increase Decrease In Prepaid Expenses And Other Current Assets
IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets
55000 USD
CY2016 wlkp Increase Decrease In Prepaid Expenses And Other Current Assets
IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets
2000 USD
CY2017 wlkp Increase Decrease In Prepaid Expenses And Other Current Assets
IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets
45000 USD
CY2015 wlkp Increase Decreasein Capital Expenditure Accrual
IncreaseDecreaseinCapitalExpenditureAccrual
-14552000 USD
CY2016 wlkp Increase Decreasein Capital Expenditure Accrual
IncreaseDecreaseinCapitalExpenditureAccrual
18113000 USD
CY2017 wlkp Increase Decreasein Capital Expenditure Accrual
IncreaseDecreaseinCapitalExpenditureAccrual
867000 USD
CY2015 wlkp Increase Decreasein Cashusedfor Other Investingactivities
IncreaseDecreaseinCashusedforOtherInvestingactivities
0 USD
CY2016 wlkp Increase Decreasein Cashusedfor Other Investingactivities
IncreaseDecreaseinCashusedforOtherInvestingactivities
-157000 USD
CY2017 wlkp Increase Decreasein Cashusedfor Other Investingactivities
IncreaseDecreaseinCashusedforOtherInvestingactivities
-1801000 USD
CY2015 wlkp Increase Decreasein Receivablesunder Investment Management Agreements
IncreaseDecreaseinReceivablesunderInvestmentManagementAgreements
0 USD
CY2016 wlkp Increase Decreasein Receivablesunder Investment Management Agreements
IncreaseDecreaseinReceivablesunderInvestmentManagementAgreements
0 USD
CY2017 wlkp Increase Decreasein Receivablesunder Investment Management Agreements
IncreaseDecreaseinReceivablesunderInvestmentManagementAgreements
136172000 USD
CY2016Q4 wlkp Interest Rate Contract Net
InterestRateContractNet
290000 USD
CY2017Q4 wlkp Interest Rate Contract Net
InterestRateContractNet
302000 USD
CY2016Q4 wlkp Noncurrent Assets Other Net
NoncurrentAssetsOtherNet
5536000 USD
CY2017Q4 wlkp Noncurrent Assets Other Net
NoncurrentAssetsOtherNet
4933000 USD
CY2017 wlkp Plant And Equipment Planned Major Maintenance Activities Amortization Period Maximum
PlantAndEquipmentPlannedMajorMaintenanceActivitiesAmortizationPeriodMaximum
P6Y
CY2017 wlkp Plant And Equipment Planned Major Maintenance Activities Amortization Period Minimum
PlantAndEquipmentPlannedMajorMaintenanceActivitiesAmortizationPeriodMinimum
P3Y
CY2016Q4 wlkp Property Plant And Equipment Gross Excluding Construction In Progress
PropertyPlantAndEquipmentGrossExcludingConstructionInProgress
1779289000 USD
CY2017Q4 wlkp Property Plant And Equipment Gross Excluding Construction In Progress
PropertyPlantAndEquipmentGrossExcludingConstructionInProgress
1873411000 USD
CY2016Q4 wlkp Property Plant And Equipment Net Excluding Construction In Progress
PropertyPlantAndEquipmentNetExcludingConstructionInProgress
1135219000 USD
CY2017Q4 wlkp Property Plant And Equipment Net Excluding Construction In Progress
PropertyPlantAndEquipmentNetExcludingConstructionInProgress
1157112000 USD
CY2016Q4 wlkp Receivablesunder Investment Management Agreementswith Related Parties Current
ReceivablesunderInvestmentManagementAgreementswithRelatedPartiesCurrent
0 USD
CY2017Q4 wlkp Receivablesunder Investment Management Agreementswith Related Parties Current
ReceivablesunderInvestmentManagementAgreementswithRelatedPartiesCurrent
136510000 USD
CY2017 wlkp Threshold Period Past Due Accounts Receivable Reviewed
ThresholdPeriodPastDueAccountsReceivableReviewed
P90D
CY2016Q4 wlkp Total Deferred Chargesand Other Assets Non Current Net
TotalDeferredChargesandOtherAssetsNonCurrentNet
95011000 USD
CY2017Q4 wlkp Total Deferred Chargesand Other Assets Non Current Net
TotalDeferredChargesandOtherAssetsNonCurrentNet
81828000 USD
CY2016Q4 wlkp Trade Customer Receivable Net Current
TradeCustomerReceivableNetCurrent
11349000 USD
CY2017Q4 wlkp Trade Customer Receivable Net Current
TradeCustomerReceivableNetCurrent
18083000 USD
CY2016Q4 wlkp Turnaround Costs Net
TurnaroundCostsNet
89185000 USD
CY2017Q4 wlkp Turnaround Costs Net
TurnaroundCostsNet
76593000 USD
CY2017Q3 wlkp Underwriting Discounts Structuring Feesand Offering Expenseson Issuanceof Equity
UnderwritingDiscountsStructuringFeesandOfferingExpensesonIssuanceofEquity
3111000 USD
CY2017Q3 wlkp Underwriting Discounts Structuring Feesand Offering Expenseson Issuanceof Equity
UnderwritingDiscountsStructuringFeesandOfferingExpensesonIssuanceofEquity
3111000 USD
CY2017 us-gaap Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Concentration of Credit Risk</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Financial instruments which potentially subject the Partnership to concentration of risk consist principally of trade receivables from third-party customers who purchase ethylene and ethylene co-products. The Partnership performs periodic credit evaluations, as applicable, of the customers' financial condition and generally does not require collateral. The Partnership maintains allowances for potential losses, as applicable.</font></div></div>
CY2017 us-gaap Revenue Recognition Accounting Policy Gross And Net Revenue Disclosure
RevenueRecognitionAccountingPolicyGrossAndNetRevenueDisclosure
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Revenue Recognition</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Revenue is recognized when persuasive evidence of an arrangement exists, products are delivered to the customer, the sales price is fixed or determinable, and collectability is reasonably assured. Title and risk of loss passes to the customer upon delivery under executed customer purchase orders or contracts. Provisions for discounts, rebates and returns are provided for in the same period as the related sales are recorded.</font></div></div>
CY2017 us-gaap Use Of Estimates
UseOfEstimates
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and the disclosure of contingent assets and liabilities. Actual results could differ from those estimates.</font></div></div>

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