2.3.0.11 Html 17 97 1 false 6 0 false 3 true false R1.htm 0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.westernplainsenergy.biz/role/BalanceSheet CONDENSED CONSOLIDATED BALANCE SHEETS false false R2.htm 0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.westernplainsenergy.biz/role/BalanceSheetParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) false false R3.htm 0020 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME Sheet http://www.westernplainsenergy.biz/role/StatementOfIncome CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME false false R4.htm 0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.westernplainsenergy.biz/role/CashFlows CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS false false R5.htm 1010 - Disclosure - Basis of Presentation Sheet http://www.westernplainsenergy.biz/role/DisclosureBasisOfPresentation Basis of Presentation false false R6.htm 1020 - Disclosure - Recent Accounting Pronouncements Sheet http://www.westernplainsenergy.biz/role/DisclosureRecentAccountingPronouncements Recent Accounting Pronouncements false false R7.htm 1030 - Disclosure - Inventory Sheet http://www.westernplainsenergy.biz/role/DisclosureInventory Inventory false false R8.htm 1040 - Disclosure - Investments Sheet http://www.westernplainsenergy.biz/role/DisclosureInvestments Investments false false R9.htm 1050 - Disclosure - Sale/Leaseback Transaction Sheet http://www.westernplainsenergy.biz/role/DisclosureSaleLeasebackTransaction Sale/Leaseback Transaction false false R10.htm 1060 - Disclosure - Distribution to Members Sheet http://www.westernplainsenergy.biz/role/DisclosureDistributionToMembers Distribution to Members false false R11.htm 1070 - Disclosure - Subsequent Events Sheet http://www.westernplainsenergy.biz/role/DisclosureSubsequentEvents Subsequent Events false false R12.htm 9999 - Document - Document and Entity Information Sheet http://www.westernplainsenergy.biz/role/DocumentAndEntityInformation Document and Entity Information false false All Reports Book All Reports Process Flow-Through: 0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Process Flow-Through: 0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 0020 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME Process Flow-Through: 0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS wpe-20110630.xml wpe-20110630.xsd wpe-20110630_cal.xml wpe-20110630_def.xml wpe-20110630_lab.xml wpe-20110630_pre.xml true true