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Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended |  |  |  | 5 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 10, 2012 Litigation Deutsche Bank | Feb. 25, 2013 Litigation CRNF | Dec. 31, 2012 Litigation CRNF | Dec. 31, 2011 Litigation CRNF | Dec. 31, 2010 Litigation CRNF | Dec. 31, 2009 Litigation CRNF | Dec. 31, 2008 Litigation CRNF | Dec. 31, 2007 Litigation CRNF | Jun. 21, 2012 Goldman Sachs Tender Offer Dispute | Jun. 30, 2010 Flood, Crude Oil Discharge and Insurance | Oct. 31, 2009 Flood, Crude Oil Discharge and Insurance plaintiff | May 31, 2008 Flood, Crude Oil Discharge and Insurance claimant | Dec. 31, 2013 Flood, Crude Oil Discharge and Insurance plaintiff | Oct. 25, 2010 Flood, Crude Oil Discharge and Insurance | Jul. 02, 2013 Flood, Crude Oil Discharge and Insurance CRRM | Apr. 19, 2013 Flood, Crude Oil Discharge and Insurance CRRM | Jul. 31, 2009 Oklahoma Litigation CRRM lawsuit | Jul. 31, 2009 New Mexico Litigation CRRM lawsuit | May 31, 2010 Oklahoma and Kansas Litigation CRRM lawsuit
Long-term commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 | 2 | 2
Aggregate amount of claims | $ 18.5 |  |  |  |  |  |  |  | $ 18.5 | $ 3.2 | $ 3.2 | $ 4.4 |  |  |  |  |  |  |
Property tax abatement period |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |
Increase in property tax expenses |  |  | 11.3 | 11.4 | 11.7 | 10.7 | 10.7 |  |  |  |  |  |  |  |  |  |  |  |
Decrease in property tax expenses |  | 10.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax exemption period |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of private claimants |  |  |  |  |  |  |  |  |  |  |  | 16 |  |  |  |  |  |  |
Number of additional plaintiffs |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
Number of claims not settled |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |
Reimbursement of oversight cost |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.8 |  |  |  |  |
Environmental civil penalty for CWA violations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.6 |  |  |
Amount of reimbursement agreed for oversight cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.7 |  |  |
Environmental civil penalty for Risk Management Program violations |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.3 |  |  |  |
Insurance proceeds under primary environmental liability insurance policy |  |  |  |  |  |  |  |  |  |  |  |  | $ 25.0 |  |  |  |  |  |

X
- Definition Represents the environmental civil penalty for the Clean Water Act violations. + References No definition available. + Details
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- Definition Represents the environmental civil penalty related to Risk Management Program settlement agreement. + References No definition available. + Details
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- Definition Represents the decrease in property tax expenses due to reassessment of the nitrogen fertilizer plant. + References No definition available. + Details
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- Definition Represents the increase in property tax expenses due to reassessment of property. + References No definition available. + Details
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- Definition Represents the number of private claimants for notice of claims. + References No definition available. + Details
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- Definition Represents the period for property tax abatement. + References No definition available. + Details
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- Definition Represents the number of additional plaintiffs. + References No definition available. + Details
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- Definition Represents the number of claims not settled. + References No definition available. + Details
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- Definition Represents the approximate oversight cost reimbursement the EPA is seeking. + References No definition available. + Details
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- Definition Represents the amount of reimbursement paid by the entity for oversight cost to resolve the legal matter. + References No definition available. + Details
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- Definition Loss Contingency, Tax Exemption Period + References No definition available. + Details
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- Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
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- Definition The cash inflow from the amounts received by the insured under the terms of an insurance contract settlement. This element pertains only to insurance proceeds related to operating activities. It excludes insurance settlements classified as investing cash flows, for example, insurance settlements related to fixed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3337-108585 + Details
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