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| <dimensionId> us-gaap_FairValueByAssetClassAxis </dimensionId> |
| <type> explicitMember </type> |
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| </anyType> |
| </Segments> |
| <Scenarios/> |
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| <UnitType> Standard </UnitType> |
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| <MeasureDescription/> |
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| <Measure> |
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| <MeasureValue/> |
| <MeasureNamespace/> |
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| <MeasureType/> |
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| </MultiplyMeasures> |
| <NumeratorMeasure> |
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| <MeasureNamespace/> |
| <MeasureDescription/> |
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| <DenominatorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
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| <OriginalCurrencyCode> USD </OriginalCurrencyCode> |
| </MCU> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <Label Key="Calendar" Id="3" Label="6/30/2013"/> |
| </Labels> |
| </OriginalInstanceReportColumn> |
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| | | <SimpleDataType> na </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
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| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
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| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. </ElementDefenition> |
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| | | <UnitID> 2 </UnitID> |
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| | <Row FlagID="0"> |
| | | <Id> 27 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
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| | | <ElementName> ston_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
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| | | <ElementName> us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> debit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="eol_PE630761--1310-Q0008_STD_0_20130630_0_705999x842314_708088x708095_712021x711817" UnitID="iso4217_USD"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 1098000 </NumericAmount> |
| <RoundedNumericAmount> 1098 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="eol_PE630761--1310-Q0008_STD_0_20121231_0_705999x842314_708088x708095_712021x711817" UnitID="iso4217_USD"> |
| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 4814000 </NumericAmount> |
| <RoundedNumericAmount> 4814 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Total Fair Value </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 45 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
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| <Cell FlagID="0" ContextID="eol_PE630761--1310-Q0008_STD_0_20130630_0_705999x842314_708088x708095_712021x711817" UnitID="iso4217_USD"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 39000 </NumericAmount> |
| <RoundedNumericAmount> 39 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="eol_PE630761--1310-Q0008_STD_0_20121231_0_705999x842314_708088x708095_712021x711817" UnitID="iso4217_USD"> |
| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 455000 </NumericAmount> |
| <RoundedNumericAmount> 455 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized loss on investments on securities classified as available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Total Unrealized Losses </Label> |
| | | </Row> |
| | </Rows> |
| <Footnotes/> |
| <IsEquityReport> false </IsEquityReport> |
| <ReportName> Aging of Unrealized Losses on Investments in Fixed Maturities and Equity Securities Held in Perpetual Care Trusts (Detail) (Variable Interest Entity, Primary Beneficiary, Perpetual care trusts, USD $) </ReportName> |
| <MonetaryRoundingLevel> Thousands </MonetaryRoundingLevel> |
| <SharesRoundingLevel> UnKnown </SharesRoundingLevel> |
| <PerShareRoundingLevel> UnKnown </PerShareRoundingLevel> |
| <ExchangeRateRoundingLevel> UnKnown </ExchangeRateRoundingLevel> |
| <HasCustomUnits> true </HasCustomUnits> |
| <IsEmbedReport> false </IsEmbedReport> |
| <IsMultiCurrency> false </IsMultiCurrency> |
| <ReportType> Sheet </ReportType> |
| <RoleURI> http://www.stonemor.com/taxonomy/role/DisclosureAgingOfUnrealizedLossesOnInvestmentsInFixedMaturitiesAndEquitySecuritiesHeldInPerpetualCareTrusts </RoleURI> |
| <NumberOfCols> 2 </NumberOfCols> |
| <NumberOfRows> 45 </NumberOfRows> |
| </InstanceReport> |