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Commitments and Contingencies Crude Oil Releases (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended | 3 Months Ended |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 30, 2014 Magnolia Station Crude Oil Release [Member] | Jun. 30, 2013 Magnolia Station Crude Oil Release [Member] | Dec. 31, 2013 Macedonia Crude Oil Release [Member] | Jun. 30, 2014 Macedonia Crude Oil Release [Member] | Jun. 30, 2014 Haynesville Crude Oil Release [Member] | Jun. 30, 2014 Haynesville Crude Oil Release [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |
Cost incurred for environmental remediation |  | $ 0.3 | $ 0.3 |  | $ 1.0 | $ 1.0
Accrual for expected fines and penalties |  |  |  | 1.5 | 2.5 | 2.5
Maximum Exposure for Environmental Remediation under Omnibus Agreement | $ 0.3 |  |  |  |  | $ 1.0

X
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- Definition Maximum Exposure for Environmental Remediation under Omnibus Agreement + References No definition available. + Details
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- Details
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