v3.20.4
SUPPLEMENTAL CASH FLOW INFORMATION
12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Information [Abstract]  
STATEMENTS OF CASH FLOWS SUPPLEMENTAL CASH FLOW INFORMATION
Changes in current assets and current liabilities were as follows:
 Year Ended December 31,
 202020192018
 (Thousands of Dollars)
Decrease (increase) in current assets:
Accounts receivable$14,589 $(23,480)$22,482 
Receivable from related party— — 160 
Inventories1,340 (866)3,819 
Prepaid and other current assets(3,326)(5,103)3,694 
Increase (decrease) in current liabilities:
Accounts payable(25,455)8,068 8,003 
Accrued interest payable12,922 1,632 (4,279)
Accrued liabilities7,886 (19,740)39,862 
Taxes other than income tax3,972 (5,276)4,521 
Changes in current assets and current liabilities$11,928 $(44,765)$78,262 
The above changes in current assets and current liabilities differ from changes between amounts reflected in the applicable consolidated balance sheets due to:
the change in the amount accrued for capital expenditures;
the effect of foreign currency translation;
changes in the fair values of our interest rate swap agreements prior to termination;
the effect of accrued compensation expense paid with fully vested common unit awards;
the recognition of lease liabilities upon the adoption of ASC Topic 842;
the reclassification of certain assets and liabilities to “Assets held for sale” and “Liabilities held for sale” on the consolidated balance sheets (please refer to Note 4 for additional discussion); and
current assets and current liabilities acquired and disposed of during the period.

Cash flows related to interest and income taxes were as follows:
 Year Ended December 31,
 202020192018
 (Thousands of Dollars)
Cash paid for interest, net of amount capitalized$204,511 $176,859 $183,078 
Cash paid for income taxes, net of tax refunds received$3,260 $6,817 $8,535 

Restricted cash is included in "Other long-term assets, net" on the consolidated balance sheets. “Cash, cash equivalents and restricted cash” on the consolidated statements of cash flows was included in the consolidated balance sheets as follows:
December 31,
20202019
(Thousands of Dollars)
Cash and cash equivalents$153,625 $16,192 
Other long-term assets, net8,801 8,788 
Cash, cash equivalents and restricted cash$162,426 $24,980