v3.21.2
SUPPLEMENTAL CASH FLOW INFORMATION - Table 1 - Changes in Current Assets and Liabilities (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Supplemental Cash Flow Information [Abstract]    
Decrease (increase) in accounts receivable $ (9,942) $ 25,386
Decrease (increase) in inventories (1,744) 4,176
Decrease (increase) in other currrent assets (4,752) (8,781)
Increase (decrease) in accounts payable 3,588 (15,197)
Increase (decrease) in accrued interest payable (11,686) (177)
Increase (decrease) in accrued liabilities (17,222) (11,625)
Increase (decrease) in taxes other than income tax (1,575) 44
Changes in current assets and current liabilities $ (43,333) $ (6,174)