CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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OPERATING COSTS AND EXPENSES | |||
Depreciation included in the cost of petrochemical product sales and processing | $ 4,645us-gaap_CostOfGoodsSoldDepreciation | $ 3,518us-gaap_CostOfGoodsSoldDepreciation | $ 3,053us-gaap_CostOfGoodsSoldDepreciation |
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- 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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- Details
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