v3.20.1
STATEMENTS OF CASH FLOWS Table 1 - Changes in Current Assets and Current Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Decrease (increase) in current assets:    
Accounts receivable $ 7,778 $ (15,028)
Inventories 1,648 (2,302)
Other current assets 7,007 4,191
Increase (decrease) in current liabilities:    
Accounts payable (18,082) 17,851
Accrued interest payable 2,680 (4,948)
Accrued liabilities (6,804) (30,908)
Taxes other than income tax (5,137) (2,954)
Income tax payable 1,125 695
Changes in current assets and current liabilities $ (9,785) $ (33,403)