v3.19.3.a.u2
STATEMENTS OF CASH FLOWS Table 1 - Changes in Current Assets and Current Liabilities (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Decrease (increase) in current assets:      
Accounts receivable $ (23,480) $ 22,482 $ (865)
Receivable from related parties 0 160 112
Inventories (866) 3,819 11,936
Prepaid and other current assets (5,103) 3,694 3,393
Increase (decrease) in current liabilities:      
Accounts payable 8,068 8,003 (30,409)
Accrued interest payable 1,632 (4,279) 6,489
Accrued liabilities (19,614) 39,577 (11,157)
Taxes other than income tax (5,276) 4,521 (3,529)
Income tax payable (126) 285 (2,463)
Changes in current assets and current liabilities $ (44,765) $ 78,262 $ (26,493)