v3.5.0.2
STATEMENTS OF CASH FLOWS (Tables)
 6 Months Ended
Jun. 30, 2016
Statement of Cash Flows [Abstract]  
Schedule of Changes in Current Assets and Liabilities [Text Block]
Changes in current assets and current liabilities were as follows:
 
Six Months Ended June 30,
 
2016
 
2015
 
(Thousands of Dollars)
Decrease (increase) in current assets:
 
 
 
Accounts receivable
$
(572
)
 
$
45,431

Inventories
99

 
(9,653
)
Other current assets
5,064

 
1,711

Increase (decrease) in current liabilities:
 
 
 
Accounts payable
(4,717
)
 
(34,851
)
Payable to related party, net
697

 
5,175

Accrued interest payable
(393
)
 
337

Accrued liabilities
(12,321
)
 
(15,058
)
Taxes other than income tax
(348
)
 
(500
)
Income tax payable
(2,783
)
 
(1,094
)
Changes in current assets and current liabilities
$
(15,274
)
 
$
(8,502
)
Schedule of Supplemental Cash Flow Information [Text Block]
Cash flows related to interest and income taxes were as follows:
 
Six Months Ended June 30,
 
2016
 
2015
 
(Thousands of Dollars)
Cash paid for interest, net of amount capitalized
$
70,280

 
$
65,378

Cash paid for income taxes, net of tax refunds received
$
8,826

 
$
6,335