v3.21.2
SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 9 Months Ended
Sep. 30, 2021
Supplemental Cash Flow Information [Abstract]  
Schedule of Changes in Current Assets and Liabilities [Table Text Block]
Changes in current assets and current liabilities were as follows:
 Nine Months Ended September 30,
 20212020
 (Thousands of Dollars)
Decrease (increase) in current assets:
Accounts receivable$(10,856)$31,287 
Inventories(733)2,366 
Other current assets206 (11,468)
Increase (decrease) in current liabilities:
Accounts payable9,135 (24,252)
Accrued interest payable23,541 6,828 
Accrued liabilities(7,200)(4,753)
Taxes other than income tax1,585 4,546 
Changes in current assets and current liabilities$15,678 $4,554 
Schedule of Supplemental Cash Flow Information [Table Text Block]
Cash flows related to interest and income taxes were as follows:
 Nine Months Ended September 30,
 20212020
 (Thousands of Dollars)
Cash paid for interest, net of amount capitalized$129,629 $155,900 
Cash paid for income taxes, net of tax refunds received$5,217 $4,417 
Schedule of Cash and Cash Equivalents [Table Text Block] “Cash, cash equivalents and restricted cash” on the consolidated statements of cash flows is included in the consolidated balance sheets as follows:
September 30, 2021December 31, 2020
(Thousands of Dollars)
Cash and cash equivalents$7,948 $153,625 
Other long-term assets, net8,802 8,801 
Cash, cash equivalents and restricted cash$16,750 $162,426