Supplemental Information

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Information

Supplemental Information

Accrued Liabilities

Accrued liabilities were $16,250 and $15,697 at December 31, 2018 and 2017, respectively. Accruals related to accrued interest, capital expenditures, and maintenance expenses, which are components of accrued liabilities were $5,448, $2,818 and $2,688 at December 31, 2018, respectively, and were $4,590, $3,197 and $3,698 at December 31, 2017, respectively. No other component of accrued liabilities was more than five percent of total current liabilities.

Cash Flow Information

Non-cash Investing Activity

The change in capital expenditure accrual reducing additions to property, plant and equipment was $1,823 for the year ended December 31, 2018. The change in capital expenditure accrual increasing additions to property, plant and equipment was $867 and $18,113, for the years ended December 31, 2017 and 2016, respectively.

Interest and Income Taxes

Interest paid by the Partnership, net of interest capitalized, was $20,551, $23,063 and $9,901 for the years ended December 31, 2018, 2017 and 2016, respectively. Income tax paid by the Partnership was $711, $716 and $633 for the years ended December 31, 2018, 2017 and 2016, respectively, of which $293, $301 and $388 was paid directly to the tax authorities for the years ended December 31, 2018, 2017 and 2016, and $418, $415 and $245 was paid to Westlake as reimbursements for the years ended December 31, 2018, 2017 and 2016.