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en ref
prefix name id   URI Publisher Name Number IssueDate Chapter Section Subsection Paragraph Subparagraph Clause Exhibit Example Sentence type enumerations substitutionGroup balance periodType abstract nillable
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ici-rr IntroductionFootnote ici-rr_IntroductionFootnote Introduction Footnote xbrli:tuple
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ici-rr StrategyNarrativeSubparagraph ici-rr_StrategyNarrativeSubparagraph Strategy Narrative Subparagraph n1a20060914.htm#A.2.b SEC Form N-1A 2006-09-14 A 2 b xbrli:tuple
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ici-rr StrategyPortfolioConcentration ici-rr_StrategyPortfolioConcentration Strategy Portfolio Concentration n1a20060914.htm#A.2.b SEC Form N-1A 2006-09-14 A 2 b ici-rr:TopicType ici-rr:StrategyTopicHead instant true
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ici-rr ObjectiveAndStrategyRow ici-rr_ObjectiveAndStrategyRow Objective and Strategy Row n1a20060914.htm#A.2 SEC Form N-1A 2006-09-14 A 2 xbrli:tuple false false
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ici-rr ObjectiveAndStrategyFootnoteTopicHead ici-rr_ObjectiveAndStrategyFootnoteTopicHead Objective and Strategy Footnote Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr BarChartAndPerformanceTableHeading_item ici-rr_BarChartAndPerformanceTableHeading_item Bar Chart and Performance Table Heading (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartAndPerformanceTableHeading ici-rr_BarChartAndPerformanceTableHeading Bar Chart and Performance Table Heading xbrli:tuple false false
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ici-rr PerformanceNarrativeParagraph_item ici-rr_PerformanceNarrativeParagraph_item Performance Narrative Paragraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr PerformanceNarrativeParagraph ici-rr_PerformanceNarrativeParagraph Performance Narrative Paragraph n1a20060914.htm#A.2.c.2.i SEC Form N-1A 2006-09-14 A 2 c 2 i xbrli:tuple
ici-rr PerformanceNarrativeSubparagraph_item ici-rr_PerformanceNarrativeSubparagraph_item Performance Narrative Subparagraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr PerformanceNarrativeSubparagraph ici-rr_PerformanceNarrativeSubparagraph Performance Narrative Subparagraph n1a20060914.htm#A.2.c.2.i SEC Form N-1A 2006-09-14 A 2 c 2 i xbrli:tuple
ici-rr PerformanceTopicHead ici-rr_PerformanceTopicHead Performance Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr PerformancePastDoesNotIndicateFuture ici-rr_PerformancePastDoesNotIndicateFuture Performance Past Does Not Indicate Future n1a20060914.htm#A.2.c.2.i SEC Form N-1A 2006-09-14 A 2 c 2 i ici-rr:TopicType ici-rr:PerformanceTopicHead instant true
ici-rr PerformanceInformationIllustratesVariabilityOfReturns ici-rr_PerformanceInformationIllustratesVariabilityOfReturns Performance Information Illustrates Variability of Returns n1a20060914.htm#A.2.c.2.i SEC Form N-1A 2006-09-14 A 2 c 2 i ici-rr:TopicType ici-rr:PerformanceTopicHead instant true
ici-rr PerformanceOneYearOrLess ici-rr_PerformanceOneYearOrLess Performance One Year or Less n1a20060914.htm#A.2.c.2.ii SEC Form N-1A 2006-09-14 A 2 c 2 ii ici-rr:TopicType ici-rr:PerformanceTopicHead instant true
ici-rr PerformanceInceptionDateIndicatesChangedAdviser ici-rr_PerformanceInceptionDateIndicatesChangedAdviser Performance Inception Date Indicates Changed Adviser ici-rr:TopicType ici-rr:PerformanceTopicHead instant true
ici-rr PerformanceAdditionalMarketIndex ici-rr_PerformanceAdditionalMarketIndex Performance Additional Market Index ici-rr:TopicType ici-rr:PerformanceTopicHead instant true
ici-rr BarChartHeading_item ici-rr_BarChartHeading_item Bar Chart Heading (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartHeading ici-rr_BarChartHeading Bar Chart Heading xbrli:tuple false false
ici-rr BarChartHeading_mrk ici-rr_BarChartHeading_mrk Bar Chart Heading (mark) ici-rr:MarkType ici-rr:MarkHead instant true
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ici-rr BarChartNarrativeParagraph ici-rr_BarChartNarrativeParagraph Bar Chart Narrative Paragraph n1a20060914.htm#A.2.c.2.instructions.1.a SEC Form N-1A 2006-09-14 A 2 c 2 instructions 1 a xbrli:tuple
ici-rr BarChartNarrativeSubparagraph_item ici-rr_BarChartNarrativeSubparagraph_item Bar Chart Narrative Subparagraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartNarrativeSubparagraph ici-rr_BarChartNarrativeSubparagraph Bar Chart Narrative Subparagraph n1a20060914.htm#A.2.c.2.instructions.1.a SEC Form N-1A 2006-09-14 A 2 c 2 instructions 1 a xbrli:tuple
ici-rr BarChartTopicHead ici-rr_BarChartTopicHead Bar Chart Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr BarChartDoesNotReflectSalesLoads ici-rr_BarChartDoesNotReflectSalesLoads Bar Chart Does Not Reflect Sales Loads n1a20060914.htm#A.2.c.2.instructions.1.a SEC Form N-1A 2006-09-14 A 2 c 2 instructions 1 a ici-rr:TopicType ici-rr:BarChartTopicHead instant true
ici-rr AnnualReturnCaption_item ici-rr_AnnualReturnCaption_item Annual Return Caption (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr AnnualReturnCaption ici-rr_AnnualReturnCaption Annual Return Caption n1a20060914.htm#A.2.c.2.ii SEC Form N-1A 2006-09-14 A 2 c 2 ii xbrli:tuple false false
ici-rr AnnualReturnCaption_mrk ici-rr_AnnualReturnCaption_mrk Annual Return Caption (mark) ici-rr:MarkType ici-rr:MarkHead instant true
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ici-rr AnnualReturnInceptionDate_item ici-rr_AnnualReturnInceptionDate_item Annual Return Inception Date (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr AnnualReturnInceptionDate ici-rr_AnnualReturnInceptionDate Annual Return Inception Date n1a20060914.htm#A.2.c.2.instructions.1.b, n1a20060914.htm#A.2.c.2.instructions.4 SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 2, 2 c, c 2, 2 instructions, instructions 1, 4 b,  ,  ,  xbrli:tuple false false
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ici-rr AnnualReturnRow_item ici-rr_AnnualReturnRow_item Annual Return Row (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr AnnualReturnRow ici-rr_AnnualReturnRow Annual Return Row n1a20060914.htm#A.2.c.2.ii, n1a20060914.htm#A.2.c.2.instructions.1.a SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 2, 2 c, c 2, 2 ii, instructions , 1 , a ,  ,  xbrli:tuple false false
ici-rr AnnualReturnRow_year ici-rr_AnnualReturnRow_year Annual Return Row (year) ici-rr:YearType ici-rr:YearHead instant true
ici-rr AnnualReturnRow_mrk ici-rr_AnnualReturnRow_mrk Annual Return Row (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr AnnualReturnRow_num ici-rr_AnnualReturnRow_num Annual Return Row (number) ici-rr:ReturnType xbrli:item instant true
ici-rr AnnualReturnFootnote_item ici-rr_AnnualReturnFootnote_item Annual Return Footnote (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr AnnualReturnFootnote ici-rr_AnnualReturnFootnote Annual Return Footnote n1a20060914.htm#A.2.c.2.instructions.1.a SEC Form N-1A 2006-09-14 A 2 c 2 instructions 1 a xbrli:tuple
ici-rr AnnualReturnFootnoteMark ici-rr_AnnualReturnFootnoteMark Annual Return Footnote Mark ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr AnnualReturnFootnoteTopicHead ici-rr_AnnualReturnFootnoteTopicHead Annual Return Footnote Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr AnnualReturnFootnoteNonCalendarFiscalYearToDateReturnAsOfMostRecentQuarter ici-rr_AnnualReturnFootnoteNonCalendarFiscalYearToDateReturnAsOfMostRecentQuarter Annual Return Footnote Non Calendar Fiscal Year to Date Return As of Most Recent Quarter n1a20060914.htm#A.2.c.2.instructions.1.b SEC Form N-1A 2006-09-14 A 2 c 2 instructions 1 b ici-rr:TopicType ici-rr:AnnualReturnFootnoteTopicHead instant true
ici-rr AnnualReturnFootnoteReturnsForClassNotOfferedInProspectus ici-rr_AnnualReturnFootnoteReturnsForClassNotOfferedInProspectus Annual Return Footnote Returns for Class Not Offered In Prospectus n1a20060914.htm#A.2.c.2.instructions.3.b SEC Form N-1A 2006-09-14 A 2 c 2 instructions 3 b ici-rr:TopicType ici-rr:AnnualReturnFootnoteTopicHead instant true
ici-rr AnnualReturnFootnoteReturnsForClassLinkedToClassOffered ici-rr_AnnualReturnFootnoteReturnsForClassLinkedToClassOffered Annual Return Footnote Returns for Class Linked to Class Offered n1a20060914.htm#A.2.c.2.instructions.3.c.ii.D SEC Form N-1A 2006-09-14 A 2 c 2 instructions 3 c ii 0 ici-rr:TopicType ici-rr:AnnualReturnFootnoteTopicHead instant true
ici-rr AnnualReturnFootnoteReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod ici-rr_AnnualReturnFootnoteReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod Annual Return Footnote Reason Selected Class Different from Immediately Preceding Period ici-rr:TopicType ici-rr:AnnualReturnFootnoteTopicHead instant true
ici-rr AnnualReturnFootnoteDoesNotReflectSalesLoads ici-rr_AnnualReturnFootnoteDoesNotReflectSalesLoads Annual Return Footnote Does Not Reflect Sales Loads n1a20060914.htm#A.2.c.2.instructions.1.a SEC Form N-1A 2006-09-14 A 2 c 2 instructions 1 a ici-rr:TopicType ici-rr:AnnualReturnFootnoteTopicHead instant true
ici-rr YearToDateReturnLabel_item ici-rr_YearToDateReturnLabel_item Year to Date Return Label (item) ici-rr:TextType ici-rr:TextHead instant true true
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ici-rr BarChartYearToDateReturn_item ici-rr_BarChartYearToDateReturn_item Bar Chart Year to Date Return (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartYearToDateReturn ici-rr_BarChartYearToDateReturn Bar Chart Year to Date Return n1a20060914.htm#A.2.c.2.ii SEC Form N-1A 2006-09-14 A 2 c 2 ii xbrli:tuple false false
ici-rr BarChartYearToDateReturn_num ici-rr_BarChartYearToDateReturn_num Bar Chart Year to Date Return (number) ici-rr:ReturnType xbrli:item instant true
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ici-rr BarChartYearToDateReturnDate_date ici-rr_BarChartYearToDateReturnDate_date Bar Chart Year to Date Return Date (date) ici-rr:DateType xbrli:item instant true
ici-rr BarChartYearToDateReturnDate_mrk ici-rr_BarChartYearToDateReturnDate_mrk Bar Chart Year to Date Return Date (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr HighestQuarterlyReturnLabel_item ici-rr_HighestQuarterlyReturnLabel_item Highest Quarterly Return Label (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr HighestQuarterlyReturnLabel ici-rr_HighestQuarterlyReturnLabel Highest Quarterly Return Label xbrli:tuple false false
ici-rr HighestQuarterlyReturnLabel_lbl ici-rr_HighestQuarterlyReturnLabel_lbl Highest Quarterly Return Label (label) ici-rr:LabelType xbrli:item instant true
ici-rr HighestQuarterlyReturnLabel_mrk ici-rr_HighestQuarterlyReturnLabel_mrk Highest Quarterly Return Label (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr BarChartHighestQuarterlyReturn_item ici-rr_BarChartHighestQuarterlyReturn_item Bar Chart Highest Quarterly Return (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartHighestQuarterlyReturn ici-rr_BarChartHighestQuarterlyReturn Bar Chart Highest Quarterly Return n1a20060914.htm#A.2.c.2.ii SEC Form N-1A 2006-09-14 A 2 c 2 ii xbrli:tuple false false
ici-rr BarChartHighestQuarterlyReturn_num ici-rr_BarChartHighestQuarterlyReturn_num Bar Chart Highest Quarterly Return (number) ici-rr:ReturnType xbrli:item instant true
ici-rr BarChartHighestQuarterlyReturn_mrk ici-rr_BarChartHighestQuarterlyReturn_mrk Bar Chart Highest Quarterly Return (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr BarChartHighestQuarterlyReturnDate_item ici-rr_BarChartHighestQuarterlyReturnDate_item Bar Chart Highest Quarterly Return Date (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartHighestQuarterlyReturnDate ici-rr_BarChartHighestQuarterlyReturnDate Bar Chart Highest Quarterly Return Date xbrli:tuple false false
ici-rr BarChartHighestQuarterlyReturnDate_date ici-rr_BarChartHighestQuarterlyReturnDate_date Bar Chart Highest Quarterly Return Date (date) ici-rr:DateType xbrli:item instant true
ici-rr BarChartHighestQuarterlyReturnDate_mrk ici-rr_BarChartHighestQuarterlyReturnDate_mrk Bar Chart Highest Quarterly Return Date (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr LowestQuarterlyReturnLabel_item ici-rr_LowestQuarterlyReturnLabel_item Lowest Quarterly Return Label (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr LowestQuarterlyReturnLabel ici-rr_LowestQuarterlyReturnLabel Lowest Quarterly Return Label xbrli:tuple false false
ici-rr LowestQuarterlyReturnLabel_lbl ici-rr_LowestQuarterlyReturnLabel_lbl Lowest Quarterly Return Label (label) ici-rr:LabelType xbrli:item instant true
ici-rr LowestQuarterlyReturnLabel_mrk ici-rr_LowestQuarterlyReturnLabel_mrk Lowest Quarterly Return Label (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr BarChartLowestQuarterlyReturn_item ici-rr_BarChartLowestQuarterlyReturn_item Bar Chart Lowest Quarterly Return (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartLowestQuarterlyReturn ici-rr_BarChartLowestQuarterlyReturn Bar Chart Lowest Quarterly Return n1a20060914.htm#A.2.c.2.ii SEC Form N-1A 2006-09-14 A 2 c 2 ii xbrli:tuple false false
ici-rr BarChartLowestQuarterlyReturn_num ici-rr_BarChartLowestQuarterlyReturn_num Bar Chart Lowest Quarterly Return (number) ici-rr:ReturnType xbrli:item instant true
ici-rr BarChartLowestQuarterlyReturn_mrk ici-rr_BarChartLowestQuarterlyReturn_mrk Bar Chart Lowest Quarterly Return (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr BarChartLowestQuarterlyReturnDate_item ici-rr_BarChartLowestQuarterlyReturnDate_item Bar Chart Lowest Quarterly Return Date (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr BarChartLowestQuarterlyReturnDate ici-rr_BarChartLowestQuarterlyReturnDate Bar Chart Lowest Quarterly Return Date xbrli:tuple false false
ici-rr BarChartLowestQuarterlyReturnDate_date ici-rr_BarChartLowestQuarterlyReturnDate_date Bar Chart Lowest Quarterly Return Date (date) ici-rr:DateType xbrli:item instant true
ici-rr BarChartLowestQuarterlyReturnDate_mrk ici-rr_BarChartLowestQuarterlyReturnDate_mrk Bar Chart Lowest Quarterly Return Date (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr BarChartClosingParagraph_item ici-rr_BarChartClosingParagraph_item Bar Chart Closing Paragraph (item) ici-rr:TextType ici-rr:TextHead instant true true
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ici-rr ShareholderFeesCaption_item ici-rr_ShareholderFeesCaption_item Shareholder Fees Caption (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ShareholderFeesCaption ici-rr_ShareholderFeesCaption Shareholder Fees Caption n1a20060914.htm#A.3.table.1 SEC Form N-1A 2006-09-14 A 3 table 1 xbrli:tuple false false
ici-rr ShareholderFeesCaption_mrk ici-rr_ShareholderFeesCaption_mrk Shareholder Fees Caption (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ShareholderFeesColumnName_item ici-rr_ShareholderFeesColumnName_item Shareholder Fees Column Name (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ShareholderFeesColumnName ici-rr_ShareholderFeesColumnName Shareholder Fees Column Name xbrli:tuple false false
ici-rr ShareholderFeesColumnName_txt ici-rr_ShareholderFeesColumnName_txt Shareholder Fees Column Name (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ShareholderFeesColumnName_mrk ici-rr_ShareholderFeesColumnName_mrk Shareholder Fees Column Name (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ShareholderFeesColumnName_str ici-rr_ShareholderFeesColumnName_str Shareholder Fees Column Name (string) ici-rr:TextType xbrli:item instant true
ici-rr MaximumCumulativeSalesChargeOverOfferingPrice_item ici-rr_MaximumCumulativeSalesChargeOverOfferingPrice_item Maximum Cumulative Sales Charge / Offering Price (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumCumulativeSalesChargeOverOfferingPrice ici-rr_MaximumCumulativeSalesChargeOverOfferingPrice Maximum Cumulative Sales Charge / Offering Price n1a20060914.htm#A.3.table.1.1, n1a20060914.htm#A.3.instructions.2.a.ii SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 2 1, a , ii ,  ,  ,  xbrli:tuple false false
ici-rr MaximumCumulativeSalesChargeOverOfferingPrice_txt ici-rr_MaximumCumulativeSalesChargeOverOfferingPrice_txt Maximum Cumulative Sales Charge / Offering Price (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumCumulativeSalesChargeOverOfferingPrice_mrk ici-rr_MaximumCumulativeSalesChargeOverOfferingPrice_mrk Maximum Cumulative Sales Charge / Offering Price (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumCumulativeSalesChargeOverOfferingPrice_num ici-rr_MaximumCumulativeSalesChargeOverOfferingPrice_num Maximum Cumulative Sales Charge / Offering Price (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr MaximumCumulativeSalesChargeOverOther_item ici-rr_MaximumCumulativeSalesChargeOverOther_item Maximum Cumulative Sales Charge / Other (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumCumulativeSalesChargeOverOther ici-rr_MaximumCumulativeSalesChargeOverOther Maximum Cumulative Sales Charge / Other n1a20060914.htm#A.3.table.1.1, n1a20060914.htm#A.3.instructions.2.a.ii SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 2 1, a , ii ,  ,  ,  xbrli:tuple false false
ici-rr MaximumCumulativeSalesChargeOverOther_txt ici-rr_MaximumCumulativeSalesChargeOverOther_txt Maximum Cumulative Sales Charge / Other (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumCumulativeSalesChargeOverOther_mrk ici-rr_MaximumCumulativeSalesChargeOverOther_mrk Maximum Cumulative Sales Charge / Other (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumCumulativeSalesChargeOverOther_num ici-rr_MaximumCumulativeSalesChargeOverOther_num Maximum Cumulative Sales Charge / Other (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_item ici-rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_item Maximum Sales Charge Imposed on Purchases / Offering Price (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumSalesChargeImposedOnPurchasesOverOfferingPrice ici-rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice Maximum Sales Charge Imposed on Purchases / Offering Price n1a20060914.htm#A.3.table.1.1 SEC Form N-1A 2006-09-14 A 3 table 1 1 xbrli:tuple false false
ici-rr MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_txt ici-rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_txt Maximum Sales Charge Imposed on Purchases / Offering Price (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_mrk ici-rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_mrk Maximum Sales Charge Imposed on Purchases / Offering Price (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_num ici-rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice_num Maximum Sales Charge Imposed on Purchases / Offering Price (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr MaximumDeferredSalesChargeOverOther_item ici-rr_MaximumDeferredSalesChargeOverOther_item Maximum Deferred Sales Charge / Other (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumDeferredSalesChargeOverOther ici-rr_MaximumDeferredSalesChargeOverOther Maximum Deferred Sales Charge / Other n1a20060914.htm#A.3.table.1.2, n1a20060914.htm#A.3.instructions.2.a.i, n1a20060914.htm#A.3.instructions.4.e SEC, SEC, SEC Form, Form, Form N-1A, N-1A, N-1A 2006-09-14, 2006-09-14, 2006-09-14 A, A, A 3, 3, 3 table, instructions, instructions 1, 2, 4 2, a, e , i,  , ,  , ,  , ,  xbrli:tuple false false
ici-rr MaximumDeferredSalesChargeOverOther_txt ici-rr_MaximumDeferredSalesChargeOverOther_txt Maximum Deferred Sales Charge / Other (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumDeferredSalesChargeOverOther_mrk ici-rr_MaximumDeferredSalesChargeOverOther_mrk Maximum Deferred Sales Charge / Other (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumDeferredSalesChargeOverOther_num ici-rr_MaximumDeferredSalesChargeOverOther_num Maximum Deferred Sales Charge / Other (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr MaximumDeferredSalesChargeOverOfferingPrice_item ici-rr_MaximumDeferredSalesChargeOverOfferingPrice_item Maximum Deferred Sales Charge / Offering Price (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumDeferredSalesChargeOverOfferingPrice ici-rr_MaximumDeferredSalesChargeOverOfferingPrice Maximum Deferred Sales Charge / Offering Price n1a20060914.htm#A.3.table.1.2, n1a20060914.htm#A.3.instructions.2.a.i SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 2 2, a , i ,  ,  ,  xbrli:tuple false false
ici-rr MaximumDeferredSalesChargeOverOfferingPrice_txt ici-rr_MaximumDeferredSalesChargeOverOfferingPrice_txt Maximum Deferred Sales Charge / Offering Price (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumDeferredSalesChargeOverOfferingPrice_mrk ici-rr_MaximumDeferredSalesChargeOverOfferingPrice_mrk Maximum Deferred Sales Charge / Offering Price (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumDeferredSalesChargeOverOfferingPrice_num ici-rr_MaximumDeferredSalesChargeOverOfferingPrice_num Maximum Deferred Sales Charge / Offering Price (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_item ici-rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_item Maximum Sales Charge on Reinvested Dividends and Distributions / Other (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther ici-rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther Maximum Sales Charge on Reinvested Dividends and Distributions / Other n1a20060914.htm#A.3.table.1.3, n1a20060914.htm#A.3.instructions.2.a.iii SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 2 3, a , iii ,  ,  ,  xbrli:tuple false false
ici-rr MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_txt ici-rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_txt Maximum Sales Charge on Reinvested Dividends and Distributions / Other (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_mrk ici-rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_mrk Maximum Sales Charge on Reinvested Dividends and Distributions / Other (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_num ici-rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther_num Maximum Sales Charge on Reinvested Dividends and Distributions / Other (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr RedemptionFeeOverRedemption_item ici-rr_RedemptionFeeOverRedemption_item Redemption Fee / Redemption (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr RedemptionFeeOverRedemption ici-rr_RedemptionFeeOverRedemption Redemption Fee / Redemption n1a20060914.htm#A.3.table.1.4, n1a20060914.htm#A.3.instructions.2.b, n1a20060914.htm#A.3.instructions.4.f SEC, SEC, SEC Form, Form, Form N-1A, N-1A, N-1A 2006-09-14, 2006-09-14, 2006-09-14 A, A, A 3, 3, 3 table, instructions, instructions 1, 2, 4 4, b, f , ,  , ,  , ,  , ,  xbrli:tuple false false
ici-rr RedemptionFeeOverRedemption_txt ici-rr_RedemptionFeeOverRedemption_txt Redemption Fee / Redemption (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr RedemptionFeeOverRedemption_mrk ici-rr_RedemptionFeeOverRedemption_mrk Redemption Fee / Redemption (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr RedemptionFeeOverRedemption_num ici-rr_RedemptionFeeOverRedemption_num Redemption Fee / Redemption (number) ici-rr:NonPositivePure4Type xbrli:item instant true
ici-rr RedemptionFee_item ici-rr_RedemptionFee_item Redemption Fee (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr RedemptionFee ici-rr_RedemptionFee Redemption Fee n1a20060914.htm#A.3.table.1.4, n1a20060914.htm#A.3.instructions.2.b SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 2 4, b ,  ,  ,  ,  xbrli:tuple false false
ici-rr RedemptionFee_txt ici-rr_RedemptionFee_txt Redemption Fee (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr RedemptionFee_mrk ici-rr_RedemptionFee_mrk Redemption Fee (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr RedemptionFee_num ici-rr_RedemptionFee_num Redemption Fee (number) ici-rr:NonPositiveMonetaryType xbrli:item instant true
ici-rr ExchangeFeeOverRedemption_item ici-rr_ExchangeFeeOverRedemption_item Exchange Fee / Redemption (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExchangeFeeOverRedemption ici-rr_ExchangeFeeOverRedemption Exchange Fee / Redemption n1a20060914.htm#A.3.table.1.5, n1a20060914.htm#A.3.instructions.2.c SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 2 5, c ,  ,  ,  ,  xbrli:tuple false false
ici-rr ExchangeFeeOverRedemption_txt ici-rr_ExchangeFeeOverRedemption_txt Exchange Fee / Redemption (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExchangeFeeOverRedemption_mrk ici-rr_ExchangeFeeOverRedemption_mrk Exchange Fee / Redemption (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExchangeFeeOverRedemption_num ici-rr_ExchangeFeeOverRedemption_num Exchange Fee / Redemption (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr ExchangeFee_item ici-rr_ExchangeFee_item Exchange Fee (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExchangeFee ici-rr_ExchangeFee Exchange Fee n1a20060914.htm#A.3.table.1.5, n1a20060914.htm#A.3.instructions.2.c SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 2 5, c ,  ,  ,  ,  xbrli:tuple false false
ici-rr ExchangeFee_txt ici-rr_ExchangeFee_txt Exchange Fee (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExchangeFee_mrk ici-rr_ExchangeFee_mrk Exchange Fee (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExchangeFee_num ici-rr_ExchangeFee_num Exchange Fee (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr MaximumAccountFeeOverAssets_item ici-rr_MaximumAccountFeeOverAssets_item Maximum Account Fee / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumAccountFeeOverAssets ici-rr_MaximumAccountFeeOverAssets Maximum Account Fee / Assets n1a20060914.htm#A.3.table.1.6, n1a20060914.htm#A.3.instructions.1.c, n1a20060914.htm#A.3.instructions.2.d SEC, SEC, SEC Form, Form, Form N-1A, N-1A, N-1A 2006-09-14, 2006-09-14, 2006-09-14 A, A, A 3, 3, 3 table, instructions, instructions 1, 1, 2 6, c, d , ,  , ,  , ,  , ,  xbrli:tuple false false
ici-rr MaximumAccountFeeOverAssets_txt ici-rr_MaximumAccountFeeOverAssets_txt Maximum Account Fee / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumAccountFeeOverAssets_mrk ici-rr_MaximumAccountFeeOverAssets_mrk Maximum Account Fee / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumAccountFeeOverAssets_num ici-rr_MaximumAccountFeeOverAssets_num Maximum Account Fee / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr MaximumAccountFee_item ici-rr_MaximumAccountFee_item Maximum Account Fee (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr MaximumAccountFee ici-rr_MaximumAccountFee Maximum Account Fee n1a20060914.htm#A.3.table.1.6, n1a20060914.htm#A.3.instructions.1.c, n1a20060914.htm#A.3.instructions.2.d SEC, SEC, SEC Form, Form, Form N-1A, N-1A, N-1A 2006-09-14, 2006-09-14, 2006-09-14 A, A, A 3, 3, 3 table, instructions, instructions 1, 1, 2 6, c, d , ,  , ,  , ,  , ,  xbrli:tuple false false
ici-rr MaximumAccountFee_txt ici-rr_MaximumAccountFee_txt Maximum Account Fee (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr MaximumAccountFee_mrk ici-rr_MaximumAccountFee_mrk Maximum Account Fee (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr MaximumAccountFee_num ici-rr_MaximumAccountFee_num Maximum Account Fee (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ShareholderFeeOther_item ici-rr_ShareholderFeeOther_item Shareholder Fee Other (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ShareholderFeeOther ici-rr_ShareholderFeeOther Shareholder Fee Other n1a20060914.htm#A.3.table.1.10 SEC Form N-1A 2006-09-14 A 3 table 1 10 xbrli:tuple false false
ici-rr ShareholderFeeOther_txt ici-rr_ShareholderFeeOther_txt Shareholder Fee Other (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ShareholderFeeOther_mrk ici-rr_ShareholderFeeOther_mrk Shareholder Fee Other (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ShareholderFeeOther_num ici-rr_ShareholderFeeOther_num Shareholder Fee Other (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
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ici-rr FeesFootnote ici-rr_FeesFootnote Fees Footnote n1a20060914.htm#A.3.instructions.2.a.i SEC Form N-1A 2006-09-14 A 3 instructions 2 a i xbrli:tuple
ici-rr FeesFootnoteMark ici-rr_FeesFootnoteMark Fees Footnote Mark ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr FeesFootnoteTopicHead ici-rr_FeesFootnoteTopicHead Fees Footnote Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr FeesFootnoteNarrativeDeferredSalesChargesOverTime ici-rr_FeesFootnoteNarrativeDeferredSalesChargesOverTime Fees Footnote Narrative Deferred Sales Charges Over Time n1a20060914.htm#A.3.instructions.2.a.i SEC Form N-1A 2006-09-14 A 3 instructions 2 a i ici-rr:TopicType ici-rr:FeesFootnoteTopicHead instant true
ici-rr FeesFootnoteNarrativeRangeOfExchangeFees ici-rr_FeesFootnoteNarrativeRangeOfExchangeFees Fees Footnote Narrative Range of Exchange Fees n1a20060914.htm#A.3.instructions.2.c SEC Form N-1A 2006-09-14 A 3 instructions 2 c ici-rr:TopicType ici-rr:FeesFootnoteTopicHead instant true
ici-rr FeesFootnoteMaximumAccountFeeThreshold ici-rr_FeesFootnoteMaximumAccountFeeThreshold Fees Footnote Maximum Account Fee Threshold n1a20060914.htm#A.3.instructions.2.d SEC Form N-1A 2006-09-14 A 3 instructions 2 d ici-rr:TopicType ici-rr:FeesFootnoteTopicHead instant true
ici-rr FeesFootnoteNonRecurringAccountFee ici-rr_FeesFootnoteNonRecurringAccountFee Fees Footnote Non Recurring Account Fee n1a20060914.htm#A.3.instructions.2.b SEC Form N-1A 2006-09-14 A 3 instructions 2 b ici-rr:TopicType ici-rr:FeesFootnoteTopicHead instant true
ici-rr OperatingExpensesCaption_item ici-rr_OperatingExpensesCaption_item Operating Expenses Caption (item) ici-rr:TextType ici-rr:TextHead instant true true
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ici-rr OperatingExpensesColumnName_item ici-rr_OperatingExpensesColumnName_item Operating Expenses Column Name (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr OperatingExpensesColumnName ici-rr_OperatingExpensesColumnName Operating Expenses Column Name xbrli:tuple false false
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ici-rr OperatingExpensesColumnName_mrk ici-rr_OperatingExpensesColumnName_mrk Operating Expenses Column Name (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr OperatingExpensesColumnName_str ici-rr_OperatingExpensesColumnName_str Operating Expenses Column Name (string) ici-rr:TextType xbrli:item instant true
ici-rr ManagementFeesOverAssets_item ici-rr_ManagementFeesOverAssets_item Management Fees / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ManagementFeesOverAssets ici-rr_ManagementFeesOverAssets Management Fees / Assets n1a20060914.htm#A.3.table.1.8, n1a20060914.htm#A.3.instructions.3.a SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 3 8, a ,  ,  ,  ,  xbrli:tuple false false
ici-rr ManagementFeesOverAssets_txt ici-rr_ManagementFeesOverAssets_txt Management Fees / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ManagementFeesOverAssets_mrk ici-rr_ManagementFeesOverAssets_mrk Management Fees / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ManagementFeesOverAssets_num ici-rr_ManagementFeesOverAssets_num Management Fees / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr DistributionAndService12b1FeesOverAssets_item ici-rr_DistributionAndService12b1FeesOverAssets_item Distribution and Service 12b-1 Fees / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr DistributionAndService12b1FeesOverAssets ici-rr_DistributionAndService12b1FeesOverAssets Distribution and Service 12b-1 Fees / Assets n1a20060914.htm#A.3.table.1.9, n1a20060914.htm#A.3.instructions.3.b SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 3 9, b ,  ,  ,  ,  xbrli:tuple false false
ici-rr DistributionAndService12b1FeesOverAssets_txt ici-rr_DistributionAndService12b1FeesOverAssets_txt Distribution and Service 12b-1 Fees / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr DistributionAndService12b1FeesOverAssets_mrk ici-rr_DistributionAndService12b1FeesOverAssets_mrk Distribution and Service 12b-1 Fees / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr DistributionAndService12b1FeesOverAssets_num ici-rr_DistributionAndService12b1FeesOverAssets_num Distribution and Service 12b-1 Fees / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr DistributionOrSimilarNon12b1FeesOverAssets_item ici-rr_DistributionOrSimilarNon12b1FeesOverAssets_item Distribution or Similar Non 12b-1 Fees / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr DistributionOrSimilarNon12b1FeesOverAssets ici-rr_DistributionOrSimilarNon12b1FeesOverAssets Distribution or Similar Non 12b-1 Fees / Assets n1a20060914.htm#A.3.table.1.10, n1a20060914.htm#A.3.instructions.3.b SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 3 10, b ,  ,  ,  ,  xbrli:tuple false false
ici-rr DistributionOrSimilarNon12b1FeesOverAssets_txt ici-rr_DistributionOrSimilarNon12b1FeesOverAssets_txt Distribution or Similar Non 12b-1 Fees / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr DistributionOrSimilarNon12b1FeesOverAssets_mrk ici-rr_DistributionOrSimilarNon12b1FeesOverAssets_mrk Distribution or Similar Non 12b-1 Fees / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr DistributionOrSimilarNon12b1FeesOverAssets_num ici-rr_DistributionOrSimilarNon12b1FeesOverAssets_num Distribution or Similar Non 12b-1 Fees / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr TotalOtherExpensesOverAssets_item ici-rr_TotalOtherExpensesOverAssets_item Total Other Expenses / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr TotalOtherExpensesOverAssets ici-rr_TotalOtherExpensesOverAssets Total Other Expenses / Assets n1a20060914.htm#A.3.table.1.10, n1a20060914.htm#A.3.instructions.3.c SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 3 10, c ,  ,  ,  ,  xbrli:tuple false false
ici-rr TotalOtherExpensesOverAssets_txt ici-rr_TotalOtherExpensesOverAssets_txt Total Other Expenses / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr TotalOtherExpensesOverAssets_mrk ici-rr_TotalOtherExpensesOverAssets_mrk Total Other Expenses / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr TotalOtherExpensesOverAssets_num ici-rr_TotalOtherExpensesOverAssets_num Total Other Expenses / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr Subtotal1OtherExpensesOverAssets_item ici-rr_Subtotal1OtherExpensesOverAssets_item Subtotal (1) Other Expenses / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr Subtotal1OtherExpensesOverAssets ici-rr_Subtotal1OtherExpensesOverAssets Subtotal (1) Other Expenses / Assets n1a20060914.htm#A.3.table.1.10, n1a20060914.htm#A.3.instructions.3.c.iii SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 3 10, c , iii ,  ,  ,  xbrli:tuple false false
ici-rr Subtotal1OtherExpensesOverAssets_txt ici-rr_Subtotal1OtherExpensesOverAssets_txt Subtotal (1) Other Expenses / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr Subtotal1OtherExpensesOverAssets_mrk ici-rr_Subtotal1OtherExpensesOverAssets_mrk Subtotal (1) Other Expenses / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr Subtotal1OtherExpensesOverAssets_num ici-rr_Subtotal1OtherExpensesOverAssets_num Subtotal (1) Other Expenses / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr Subtotal2OtherExpensesOverAssets_item ici-rr_Subtotal2OtherExpensesOverAssets_item Subtotal (2) Other Expenses / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr Subtotal2OtherExpensesOverAssets ici-rr_Subtotal2OtherExpensesOverAssets Subtotal (2) Other Expenses / Assets n1a20060914.htm#A.3.table.1.10, n1a20060914.htm#A.3.instructions.3.c.iii SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 3 10, c , iii ,  ,  ,  xbrli:tuple false false
ici-rr Subtotal2OtherExpensesOverAssets_txt ici-rr_Subtotal2OtherExpensesOverAssets_txt Subtotal (2) Other Expenses / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr Subtotal2OtherExpensesOverAssets_mrk ici-rr_Subtotal2OtherExpensesOverAssets_mrk Subtotal (2) Other Expenses / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr Subtotal2OtherExpensesOverAssets_num ici-rr_Subtotal2OtherExpensesOverAssets_num Subtotal (2) Other Expenses / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr Subtotal3OtherExpensesOverAssets_item ici-rr_Subtotal3OtherExpensesOverAssets_item Subtotal (3) Other Expenses / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr Subtotal3OtherExpensesOverAssets ici-rr_Subtotal3OtherExpensesOverAssets Subtotal (3) Other Expenses / Assets n1a20060914.htm#A.3.table.1.10, n1a20060914.htm#A.3.instructions.3.c.iii SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 3 10, c , iii ,  ,  ,  xbrli:tuple false false
ici-rr Subtotal3OtherExpensesOverAssets_txt ici-rr_Subtotal3OtherExpensesOverAssets_txt Subtotal (3) Other Expenses / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr Subtotal3OtherExpensesOverAssets_mrk ici-rr_Subtotal3OtherExpensesOverAssets_mrk Subtotal (3) Other Expenses / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr Subtotal3OtherExpensesOverAssets_num ici-rr_Subtotal3OtherExpensesOverAssets_num Subtotal (3) Other Expenses / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr AcquiredFundFeesAndExpensesOverAssets_item ici-rr_AcquiredFundFeesAndExpensesOverAssets_item Acquired Fund Fees and Expenses / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr AcquiredFundFeesAndExpensesOverAssets ici-rr_AcquiredFundFeesAndExpensesOverAssets Acquired Fund Fees and Expenses / Assets n1a20060914.htm#A.3.instructions.3.f SEC Form N-1A 2006-09-14 A 3 instructions 3 f xbrli:tuple false false
ici-rr AcquiredFundFeesAndExpensesOverAssets_txt ici-rr_AcquiredFundFeesAndExpensesOverAssets_txt Acquired Fund Fees and Expenses / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr AcquiredFundFeesAndExpensesOverAssets_mrk ici-rr_AcquiredFundFeesAndExpensesOverAssets_mrk Acquired Fund Fees and Expenses / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr AcquiredFundFeesAndExpensesOverAssets_num ici-rr_AcquiredFundFeesAndExpensesOverAssets_num Acquired Fund Fees and Expenses / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr TotalExpensesOverAssets_item ici-rr_TotalExpensesOverAssets_item Total Expenses / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr TotalExpensesOverAssets ici-rr_TotalExpensesOverAssets Total Expenses / Assets n1a20060914.htm#A.3.table.1.11, n1a20060914.htm#A.3.instructions.3.d, n1a20060914.htm#A.3.instructions.3.d.i, n1a20060914.htm#A.3.instructions.3.d.ii, n1a20060914.htm#A.3.instructions.3.d.ii.A, n1a20060914.htm#A.3.instructions.3.d.iii, n1a20060914.htm#A.3.instructions.4.a SEC, SEC, SEC, SEC, SEC, SEC, SEC Form, Form, Form, Form, Form, Form, Form N-1A, N-1A, N-1A, N-1A, N-1A, N-1A, N-1A 2006-09-14, 2006-09-14, 2006-09-14, 2006-09-14, 2006-09-14, 2006-09-14, 2006-09-14 A, A, A, A, A, A, A 3, 3, 3, 3, 3, 3, 3 table, instructions, instructions, instructions, instructions, instructions, instructions 1, 3, 3, 3, 3, 3, 4 11, d, d, d, d, d, a , , i, ii, ii, iii,  , , , , A, ,  , , , , , ,  , , , , , ,  xbrli:tuple false false
ici-rr TotalExpensesOverAssets_txt ici-rr_TotalExpensesOverAssets_txt Total Expenses / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr TotalExpensesOverAssets_mrk ici-rr_TotalExpensesOverAssets_mrk Total Expenses / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr TotalExpensesOverAssets_num ici-rr_TotalExpensesOverAssets_num Total Expenses / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr ContractualFeeWaiverOrReimbursementOverAssets_item ici-rr_ContractualFeeWaiverOrReimbursementOverAssets_item Contractual Fee Waiver or Reimbursement / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ContractualFeeWaiverOrReimbursementOverAssets ici-rr_ContractualFeeWaiverOrReimbursementOverAssets Contractual Fee Waiver or Reimbursement / Assets n1a20060914.htm#A.3.table.1.10, n1a20060914.htm#A.3.instructions.5.b SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 table, instructions 1, 5 10, b ,  ,  ,  ,  xbrli:tuple false false
ici-rr ContractualFeeWaiverOrReimbursementOverAssets_txt ici-rr_ContractualFeeWaiverOrReimbursementOverAssets_txt Contractual Fee Waiver or Reimbursement / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ContractualFeeWaiverOrReimbursementOverAssets_mrk ici-rr_ContractualFeeWaiverOrReimbursementOverAssets_mrk Contractual Fee Waiver or Reimbursement / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ContractualFeeWaiverOrReimbursementOverAssets_num ici-rr_ContractualFeeWaiverOrReimbursementOverAssets_num Contractual Fee Waiver or Reimbursement / Assets (number) ici-rr:NonPositivePure4Type xbrli:item instant true
ici-rr NetExpensesOverAssets_item ici-rr_NetExpensesOverAssets_item Net Expenses / Assets (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr NetExpensesOverAssets ici-rr_NetExpensesOverAssets Net Expenses / Assets n1a20060914.htm#A.3.table.1.11 SEC Form N-1A 2006-09-14 A 3 table 1 11 xbrli:tuple false false
ici-rr NetExpensesOverAssets_txt ici-rr_NetExpensesOverAssets_txt Net Expenses / Assets (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr NetExpensesOverAssets_mrk ici-rr_NetExpensesOverAssets_mrk Net Expenses / Assets (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr NetExpensesOverAssets_num ici-rr_NetExpensesOverAssets_num Net Expenses / Assets (number) ici-rr:NonNegativePure4Type xbrli:item instant true
ici-rr ExpenseFootnote_item ici-rr_ExpenseFootnote_item Expense Footnote (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseFootnote ici-rr_ExpenseFootnote Expense Footnote n1a20060914.htm#A.3.instructions.3.d.ii.B, n1a20060914.htm#A.3.instructions.3.e SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 instructions, instructions 3, 3 d, e ii,  B,  ,  ,  xbrli:tuple
ici-rr ExpenseFootnoteMark ici-rr_ExpenseFootnoteMark Expense Footnote Mark ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseFootnoteTopicHead ici-rr_ExpenseFootnoteTopicHead Expense Footnote Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr ExpenseFootnoteOtherExpensesHadExtraordinaryExpensesBeenIncluded ici-rr_ExpenseFootnoteOtherExpensesHadExtraordinaryExpensesBeenIncluded Expense Footnote Other Expenses Had Extraordinary Expenses Been Included n1a20060914.htm#A.3.instructions.3.c.ii SEC Form N-1A 2006-09-14 A 3 instructions 3 c ii ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseFootnoteReflectsCurrentFees ici-rr_ExpenseFootnoteReflectsCurrentFees Expense Footnote Reflects Current Fees n1a20060914.htm#A.3.instructions.5.a SEC Form N-1A 2006-09-14 A 3 instructions 5 a ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseFootnoteContractualFeeWaiverOrReimbursement ici-rr_ExpenseFootnoteContractualFeeWaiverOrReimbursement Expense Footnote Contractual Fee Waiver or Reimbursement n1a20060914.htm#A.3.instructions.3.c.i SEC Form N-1A 2006-09-14 A 3 instructions 3 c i ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseFootnoteNonContractualFeeWaiverOrReimbursement ici-rr_ExpenseFootnoteNonContractualFeeWaiverOrReimbursement Expense Footnote Non Contractual Fee Waiver or Reimbursement n1a20060914.htm#A.3.instructions.3.c.i SEC Form N-1A 2006-09-14 A 3 instructions 3 c i ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseFootnoteOtherExpensesBasedOnEstimates ici-rr_ExpenseFootnoteOtherExpensesBasedOnEstimates Expense Footnote Other Expenses Based on Estimates n1a20060914.htm#A.3.instructions.5.a SEC Form N-1A 2006-09-14 A 3 instructions 5 a ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseFootnoteRepresentsBothMasterAndFeeder ici-rr_ExpenseFootnoteRepresentsBothMasterAndFeeder Expense Footnote Represents Both Master and Feeder n1a20060914.htm#A.3.instructions.1.d.i SEC Form N-1A 2006-09-14 A 3 instructions 1 d i ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseFootnoteAcquiredFundFeesAreBasedOnEstimatedAmountsForCurrentYear ici-rr_ExpenseFootnoteAcquiredFundFeesAreBasedOnEstimatedAmountsForCurrentYear Expense Footnote Acquired Fund Fees Are Based on Estimated Amounts for Current Year n1a20060914.htm#A.3.instructions.3.f.vi SEC Form N-1A 2006-09-14 A 3 instructions 3 f vi ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseFootnoteTotalAnnualExpensesNotCorrelatedToOperatingExpensesOverAverageNetAssets ici-rr_ExpenseFootnoteTotalAnnualExpensesNotCorrelatedToOperatingExpensesOverAverageNetAssets Expense Footnote Total Annual Expenses Not Correlated to Operating Expenses / Average Net Assets n1a20060914.htm#A.3.instructions.3.f.vii SEC Form N-1A 2006-09-14 A 3 instructions 3 f vii ici-rr:TopicType ici-rr:ExpenseFootnoteTopicHead instant true
ici-rr ExpenseClosingParagraph_item ici-rr_ExpenseClosingParagraph_item Expense Closing Paragraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseClosingParagraph ici-rr_ExpenseClosingParagraph Expense Closing Paragraph n1a20060914.htm#A.3.example.2.6 SEC Form N-1A 2006-09-14 A 3 example 2 6 xbrli:tuple
ici-rr ExpenseClosingSubparagraph_item ici-rr_ExpenseClosingSubparagraph_item Expense Closing Subparagraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseClosingSubparagraph ici-rr_ExpenseClosingSubparagraph Expense Closing Subparagraph n1a20060914.htm#A.3.example.2.6 SEC Form N-1A 2006-09-14 A 3 example 2 6 xbrli:tuple
ici-rr ExpenseExampleHeading_item ici-rr_ExpenseExampleHeading_item Expense Example Heading (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleHeading ici-rr_ExpenseExampleHeading Expense Example Heading xbrli:tuple false false
ici-rr ExpenseExampleHeading_mrk ici-rr_ExpenseExampleHeading_mrk Expense Example Heading (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleNarrativeParagraph_item ici-rr_ExpenseExampleNarrativeParagraph_item Expense Example Narrative Paragraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNarrativeParagraph ici-rr_ExpenseExampleNarrativeParagraph Expense Example Narrative Paragraph n1a20060914.htm#A.3.instructions.4 SEC Form N-1A 2006-09-14 A 3 instructions 4 xbrli:tuple
ici-rr ExpenseExampleNarrativeSubparagraph_item ici-rr_ExpenseExampleNarrativeSubparagraph_item Expense Example Narrative Subparagraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNarrativeSubparagraph ici-rr_ExpenseExampleNarrativeSubparagraph Expense Example Narrative Subparagraph n1a20060914.htm#A.3.instructions.4 SEC Form N-1A 2006-09-14 A 3 instructions 4 xbrli:tuple
ici-rr ExpenseExampleTopicHead ici-rr_ExpenseExampleTopicHead Expense Example Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr ExpenseExampleByYearHeading_item ici-rr_ExpenseExampleByYearHeading_item Expense Example by Year Heading (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleByYearHeading ici-rr_ExpenseExampleByYearHeading Expense Example by Year Heading xbrli:tuple false false
ici-rr ExpenseExampleByYearHeading_mrk ici-rr_ExpenseExampleByYearHeading_mrk Expense Example by Year Heading (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleByYearCaption_item ici-rr_ExpenseExampleByYearCaption_item Expense Example by Year Caption (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleByYearCaption ici-rr_ExpenseExampleByYearCaption Expense Example by Year Caption n1a20060914.htm#A.3.example.1.2, n1a20060914.htm#A.3.instructions.5.c SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 example, instructions 1, 5 2, c ,  ,  ,  ,  xbrli:tuple false false
ici-rr ExpenseExampleByYearCaption_mrk ici-rr_ExpenseExampleByYearCaption_mrk Expense Example by Year Caption (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleByYearColumnName_item ici-rr_ExpenseExampleByYearColumnName_item Expense Example by Year Column Name (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleByYearColumnName ici-rr_ExpenseExampleByYearColumnName Expense Example by Year Column Name xbrli:tuple false false
ici-rr ExpenseExampleByYearColumnName_txt ici-rr_ExpenseExampleByYearColumnName_txt Expense Example by Year Column Name (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleByYearColumnName_mrk ici-rr_ExpenseExampleByYearColumnName_mrk Expense Example by Year Column Name (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleByYearColumnName_str ici-rr_ExpenseExampleByYearColumnName_str Expense Example by Year Column Name (string) ici-rr:TextType xbrli:item instant true
ici-rr ExpenseExampleYear01_item ici-rr_ExpenseExampleYear01_item Expense Example Year 01 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleYear01 ici-rr_ExpenseExampleYear01 Expense Example Year 01 n1a20060914.htm#A.3.example.1.3 SEC Form N-1A 2006-09-14 A 3 example 1 3 xbrli:tuple false false
ici-rr ExpenseExampleYear01_txt ici-rr_ExpenseExampleYear01_txt Expense Example Year 01 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleYear01_mrk ici-rr_ExpenseExampleYear01_mrk Expense Example Year 01 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleYear01_num ici-rr_ExpenseExampleYear01_num Expense Example Year 01 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleYear03_item ici-rr_ExpenseExampleYear03_item Expense Example Year 03 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleYear03 ici-rr_ExpenseExampleYear03 Expense Example Year 03 n1a20060914.htm#A.3.example.1.4 SEC Form N-1A 2006-09-14 A 3 example 1 4 xbrli:tuple false false
ici-rr ExpenseExampleYear03_txt ici-rr_ExpenseExampleYear03_txt Expense Example Year 03 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleYear03_mrk ici-rr_ExpenseExampleYear03_mrk Expense Example Year 03 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleYear03_num ici-rr_ExpenseExampleYear03_num Expense Example Year 03 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleYear05_item ici-rr_ExpenseExampleYear05_item Expense Example Year 05 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleYear05 ici-rr_ExpenseExampleYear05 Expense Example Year 05 n1a20060914.htm#A.3.example.1.5 SEC Form N-1A 2006-09-14 A 3 example 1 5 xbrli:tuple false false
ici-rr ExpenseExampleYear05_txt ici-rr_ExpenseExampleYear05_txt Expense Example Year 05 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleYear05_mrk ici-rr_ExpenseExampleYear05_mrk Expense Example Year 05 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleYear05_num ici-rr_ExpenseExampleYear05_num Expense Example Year 05 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleYear10_item ici-rr_ExpenseExampleYear10_item Expense Example Year 10 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleYear10 ici-rr_ExpenseExampleYear10 Expense Example Year 10 n1a20060914.htm#A.3.example.1.6 SEC Form N-1A 2006-09-14 A 3 example 1 6 xbrli:tuple false false
ici-rr ExpenseExampleYear10_txt ici-rr_ExpenseExampleYear10_txt Expense Example Year 10 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleYear10_mrk ici-rr_ExpenseExampleYear10_mrk Expense Example Year 10 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleYear10_num ici-rr_ExpenseExampleYear10_num Expense Example Year 10 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleNoRedemptionByYearCaption_item ici-rr_ExpenseExampleNoRedemptionByYearCaption_item Expense Example No Redemption by Year Caption (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNoRedemptionByYearCaption ici-rr_ExpenseExampleNoRedemptionByYearCaption Expense Example No Redemption by Year Caption n1a20060914.htm#A.3.example.2.1, n1a20060914.htm#A.3.instructions.5.c SEC, SEC Form, Form N-1A, N-1A 2006-09-14, 2006-09-14 A, A 3, 3 example, instructions 2, 5 1, c ,  ,  ,  ,  xbrli:tuple false false
ici-rr ExpenseExampleNoRedemptionByYearCaption_mrk ici-rr_ExpenseExampleNoRedemptionByYearCaption_mrk Expense Example No Redemption by Year Caption (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleNoRedemptionByYearColumnName_item ici-rr_ExpenseExampleNoRedemptionByYearColumnName_item Expense Example No Redemption by Year Column Name (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNoRedemptionByYearColumnName ici-rr_ExpenseExampleNoRedemptionByYearColumnName Expense Example No Redemption by Year Column Name xbrli:tuple false false
ici-rr ExpenseExampleNoRedemptionByYearColumnName_txt ici-rr_ExpenseExampleNoRedemptionByYearColumnName_txt Expense Example No Redemption by Year Column Name (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleNoRedemptionByYearColumnName_mrk ici-rr_ExpenseExampleNoRedemptionByYearColumnName_mrk Expense Example No Redemption by Year Column Name (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleNoRedemptionByYearColumnName_str ici-rr_ExpenseExampleNoRedemptionByYearColumnName_str Expense Example No Redemption by Year Column Name (string) ici-rr:TextType xbrli:item instant true
ici-rr ExpenseExampleNoRedemptionYear01_item ici-rr_ExpenseExampleNoRedemptionYear01_item Expense Example No Redemption Year 01 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNoRedemptionYear01 ici-rr_ExpenseExampleNoRedemptionYear01 Expense Example No Redemption Year 01 n1a20060914.htm#A.3.example.2.2 SEC Form N-1A 2006-09-14 A 3 example 2 2 xbrli:tuple false false
ici-rr ExpenseExampleNoRedemptionYear01_txt ici-rr_ExpenseExampleNoRedemptionYear01_txt Expense Example No Redemption Year 01 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleNoRedemptionYear01_mrk ici-rr_ExpenseExampleNoRedemptionYear01_mrk Expense Example No Redemption Year 01 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleNoRedemptionYear01_num ici-rr_ExpenseExampleNoRedemptionYear01_num Expense Example No Redemption Year 01 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleNoRedemptionYear03_item ici-rr_ExpenseExampleNoRedemptionYear03_item Expense Example No Redemption Year 03 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNoRedemptionYear03 ici-rr_ExpenseExampleNoRedemptionYear03 Expense Example No Redemption Year 03 n1a20060914.htm#A.3.example.2.3 SEC Form N-1A 2006-09-14 A 3 example 2 3 xbrli:tuple false false
ici-rr ExpenseExampleNoRedemptionYear03_txt ici-rr_ExpenseExampleNoRedemptionYear03_txt Expense Example No Redemption Year 03 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleNoRedemptionYear03_mrk ici-rr_ExpenseExampleNoRedemptionYear03_mrk Expense Example No Redemption Year 03 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleNoRedemptionYear03_num ici-rr_ExpenseExampleNoRedemptionYear03_num Expense Example No Redemption Year 03 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleNoRedemptionYear05_item ici-rr_ExpenseExampleNoRedemptionYear05_item Expense Example No Redemption Year 05 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNoRedemptionYear05 ici-rr_ExpenseExampleNoRedemptionYear05 Expense Example No Redemption Year 05 n1a20060914.htm#A.3.example.2.4 SEC Form N-1A 2006-09-14 A 3 example 2 4 xbrli:tuple false false
ici-rr ExpenseExampleNoRedemptionYear05_txt ici-rr_ExpenseExampleNoRedemptionYear05_txt Expense Example No Redemption Year 05 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleNoRedemptionYear05_mrk ici-rr_ExpenseExampleNoRedemptionYear05_mrk Expense Example No Redemption Year 05 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleNoRedemptionYear05_num ici-rr_ExpenseExampleNoRedemptionYear05_num Expense Example No Redemption Year 05 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleNoRedemptionYear10_item ici-rr_ExpenseExampleNoRedemptionYear10_item Expense Example No Redemption Year 10 (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleNoRedemptionYear10 ici-rr_ExpenseExampleNoRedemptionYear10 Expense Example No Redemption Year 10 n1a20060914.htm#A.3.example.2.5 SEC Form N-1A 2006-09-14 A 3 example 2 5 xbrli:tuple false false
ici-rr ExpenseExampleNoRedemptionYear10_txt ici-rr_ExpenseExampleNoRedemptionYear10_txt Expense Example No Redemption Year 10 (text) ici-rr:TextType ici-rr:TextHead instant true
ici-rr ExpenseExampleNoRedemptionYear10_mrk ici-rr_ExpenseExampleNoRedemptionYear10_mrk Expense Example No Redemption Year 10 (mark) ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleNoRedemptionYear10_num ici-rr_ExpenseExampleNoRedemptionYear10_num Expense Example No Redemption Year 10 (number) ici-rr:NonNegativeMonetaryType xbrli:item instant true
ici-rr ExpenseExampleFootnote_item ici-rr_ExpenseExampleFootnote_item Expense Example Footnote (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleFootnote ici-rr_ExpenseExampleFootnote Expense Example Footnote n1a20060914.htm#A.3.instructions.1.d.i SEC Form N-1A 2006-09-14 A 3 instructions 1 d i xbrli:tuple
ici-rr ExpenseExampleFootnoteMark ici-rr_ExpenseExampleFootnoteMark Expense Example Footnote Mark ici-rr:MarkType ici-rr:MarkHead instant true
ici-rr ExpenseExampleFootnoteTopicHead ici-rr_ExpenseExampleFootnoteTopicHead Expense Example Footnote Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr ExpenseExampleClosingParagraph_item ici-rr_ExpenseExampleClosingParagraph_item Expense Example Closing Paragraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleClosingParagraph ici-rr_ExpenseExampleClosingParagraph Expense Example Closing Paragraph n1a20060914.htm#A.3.instructions.4 SEC Form N-1A 2006-09-14 A 3 instructions 4 xbrli:tuple
ici-rr ExpenseExampleClosingSubparagraph_item ici-rr_ExpenseExampleClosingSubparagraph_item Expense Example Closing Subparagraph (item) ici-rr:TextType ici-rr:TextHead instant true true
ici-rr ExpenseExampleClosingSubparagraph ici-rr_ExpenseExampleClosingSubparagraph Expense Example Closing Subparagraph n1a20060914.htm#A.3.instructions.4 SEC Form N-1A 2006-09-14 A 3 instructions 4 xbrli:tuple
ici-rr ExpenseExampleClosingTopicHead ici-rr_ExpenseExampleClosingTopicHead Expense Example Closing Topic Head ici-rr:TopicType ici-rr:TopicHead instant true true
ici-rr ExpenseExampleClosingSalesChargesAreChargedOnReinvestedDistributions ici-rr_ExpenseExampleClosingSalesChargesAreChargedOnReinvestedDistributions Expense Example Closing Sales Charges Are Charged on Reinvested Distributions n1a20060914.htm#A.3.instructions.4.d SEC Form N-1A 2006-09-14 A 3 instructions 4 d ici-rr:TopicType ici-rr:ExpenseExampleClosingTopicHead instant true
ici-rr EmptyHead ici-rr_EmptyHead Empty Head ici-rr:EmptyType xbrli:item instant true true
ici-rr TopicHead ici-rr_TopicHead Topic Head ici-rr:TopicType xbrli:item instant true true
ici-rr MarkHead ici-rr_MarkHead Mark Head ici-rr:MarkType xbrli:item instant true true
ici-rr LabelHead ici-rr_LabelHead Label Head ici-rr:LabelType xbrli:item instant true true
ici-rr HeadingHead ici-rr_HeadingHead Heading Head ici-rr:HeadingType xbrli:item instant true true
ici-rr CaptionHead ici-rr_CaptionHead Caption Head ici-rr:CaptionType xbrli:item instant true true
ici-rr TextHead ici-rr_TextHead Text Head ici-rr:TextType xbrli:item instant true true
ici-rr DateHead ici-rr_DateHead Date Head ici-rr:DateType xbrli:item instant true true
ici-rr YearHead ici-rr_YearHead Year Head ici-rr:YearType xbrli:item instant true true
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