v3.21.1
SUPPLEMENTAL CASH FLOW INFORMATION - Table 1 - Changes in Current Assets and Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Supplemental Cash Flow Information [Abstract]    
Decrease (increase) in accounts receivable $ 12,232 $ 7,778
Decrease (increase) in inventories (6,471) 1,648
Decrease (increase) in other currrent assets 9,689 7,007
Increase (decrease) in accounts payable 5,067 (18,082)
Increase (decrease) in accrued interest payable 27,149 2,680
Increase (decrease) in accrued liabilities (19,082) (5,679)
Increase (decrease) in taxes other than income tax (4,187) (5,137)
Changes in current assets and current liabilities $ 24,397 $ (9,785)