Supplemental Information

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Information

Supplemental Information

Accrued Liabilities

Accrued liabilities were $17,507 and $16,250 at December 31, 2019 and 2018, respectively. Accruals related to interest expense, maintenance expenses, taxes, capital expenditures and commodity derivatives, which are components of accrued liabilities, were $4,186, $3,225, $2,611, $2,375 and $1,959 at December 31, 2019, respectively, and were $5,448, $2,688, $1,564, $2,818 and $315 at December 31, 2018, 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 resulted in a decrease in additions to property, plant and equipment by $232 for the year ended December 31, 2019. The change in capital expenditure accrual resulted in a decrease in additions to property, plant and equipment by $1,823 for the year ended December 31, 2018.

Interest and Income Taxes

Interest paid by the Partnership, net of interest capitalized, was $20,837, $20,551 and $23,063 for the years ended December 31, 2019, 2018 and 2017, respectively. Income tax paid by the Partnership was $655, $711 and $716 for the years ended December 31, 2019, 2018 and 2017, respectively, of which $362, $293 and $301 was paid directly to the tax authorities for the years ended December 31, 2019, 2018 and 2017, and $293, $418 and $415 was paid to Westlake as reimbursements for the years ended December 31, 2019, 2018 and 2017.