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Description Of Business And Basis Of Presentation (Details) (USD $)
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0 Months Ended | 1 Months Ended | 1 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|---|
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Aug. 30, 2013
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Mar. 31, 2013
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Sep. 30, 2013
store
state
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Oct. 31, 2009
North Dakota [Member]
gal
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Sep. 30, 2013
North Dakota [Member]
gal
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Sep. 30, 2013
Texas [Member]
gal
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| Description Of Business And Basis Of Presentation [Line Items] | ||||||
| Percentage of shares of stock distributed | 100.00% | |||||
| Stock conversion ratio | 0.25 | |||||
| Number of states in which entity operates | 23 | |||||
| Number of stations | 1,185 | |||||
| Per annum production capacity of facility | 110,000,000 | 135,000,000 | 105,000,000 | |||
| Common stock shares issued | 100 | 46,743,316 | ||||
| Common stock par value | $ 0.01 | $ 0.01 | ||||
| Proceeds from issuance of common stock | $ 1.00 | |||||
| Ownership percentage by parent | 100.00% | |||||