CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |||||
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Mar. 31, 2013
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Mar. 31, 2012
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OPERATING COSTS AND EXPENSES | ||||||
Cost of petrochemical product Sales and Processing, depreciation | $ 825 | [1] | $ 724 | [1] | ||
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X | ||||||||||
- Definition
The expense recognized in the current period that allocates the cost of a tangible asset over the asset's useful life. This element applies only to an asset used in the production of goods sold. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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