Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical)

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CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
OPERATING COSTS AND EXPENSES        
Cost of petrochemical product Sales and Processing, depreciation $ 868 $ 838 $ 1,733 $ 1,663