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| <Cell FlagID="0" ContextID="" UnitID=""> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| | | <SimpleDataType> string </SimpleDataType> |
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| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 12 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
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| | | <PeriodType> instant </PeriodType> |
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| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsBeginningBalance> false </IsBeginningBalance> |
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| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
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| <FootnoteIndexer/> |
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| <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 cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. </ElementDefenition> |
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| | | <Label> Cost </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 13 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </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> |
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| <FootnoteIndexer/> |
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| <FootnoteIndexer/> |
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| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
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| | | <Label> Gross Unrealized Gains </Label> |
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| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
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| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments </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> true </IsReverseSign> |
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| | | <FootnoteIndexer/> |
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| <FootnoteIndexer/> |
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| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
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| | | <Label> Gross Unrealized Losses </Label> |
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| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecurities </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
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| | | <PeriodType> instant </PeriodType> |
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| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
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| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
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| | | <FootnoteIndexer/> |
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| <FootnoteIndexer/> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Fair Value </Label> |
| | | </Row> |
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| | | <Id> 16 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 0 </Level> |
| | | <ElementName/> |
| | | <ElementPrefix/> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType/> |
| | | <PeriodType/> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> true </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole/> |
| | | <FootnoteIndexer/> |
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| <FootnoteIndexer/> |
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| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| <FootnoteIndexer/> |
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| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
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| <KeyName/> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <Segments> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
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| <ValueName> Variable Interest Entity, Primary Beneficiary </ValueName> |
| <ValueType> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </ValueType> |
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| <Name/> |
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| <ValueName> Perpetual care trusts </ValueName> |
| <ValueType> dei_LegalEntityAxis </ValueType> |
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| <DimensionInfo> |
| <Id> ston_PerpetualCareTrustsMember </Id> |
| <dimensionId> dei_LegalEntityAxis </dimensionId> |
| <type> explicitMember </type> |
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| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
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| <ValueName> Fixed maturities </ValueName> |
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| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> us-gaap_FixedMaturitiesMember </Id> |
| <dimensionId> us-gaap_FairValueByAssetClassAxis </dimensionId> |
| <type> explicitMember </type> |
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| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
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| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
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| <NumeratorMeasure> |
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| <Label Key="Calendar" Id="4" Label="6/30/2013"/> |
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| | | <SimpleDataType> na </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
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| | | <Id> 17 </Id> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
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| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:stringItemType </ElementDataType> |
| | | <SimpleDataType> string </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 18 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </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> |
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| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
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| <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_710256x708214_712021x715227" UnitID="iso4217_USD"> |
| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 408000 </NumericAmount> |
| <RoundedNumericAmount> 408 </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 cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Cost </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 19 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </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_710256x708214_712021x715227" UnitID="iso4217_USD"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 95000 </NumericAmount> |
| <RoundedNumericAmount> 95 </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_710256x708214_712021x715227" UnitID="iso4217_USD"> |
| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 104000 </NumericAmount> |
| <RoundedNumericAmount> 104 </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> Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Gains </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 20 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecurities </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> verboseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="eol_PE630761--1310-Q0008_STD_0_20130630_0_705999x842314_708088x708095_710256x708214_712021x715227" UnitID="iso4217_USD"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 503000 </NumericAmount> |
| <RoundedNumericAmount> 503 </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_710256x708214_712021x715227" UnitID="iso4217_USD"> |
| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 512000 </NumericAmount> |
| <RoundedNumericAmount> 512 </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> Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Fair Value </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 21 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 0 </Level> |
| | | <ElementName/> |
| | | <ElementPrefix/> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType/> |
| | | <PeriodType/> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> true </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole/> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <OriginalInstanceReportColumn FlagID="0"> |
| <Id> 9 </Id> |
| <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| <LabelSeparator> </LabelSeparator> |
| <CurrencyCode> USD </CurrencyCode> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| <MCU> |
| <KeyName/> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <contextRef> |
| <ContextID> eol_PE630761--1310-Q0008_STD_0_20130630_0_705999x842314_708088x708095_710256x712929_712021x715227 </ContextID> |
| <EntitySchema> http://www.sec.gov/CIK </EntitySchema> |
| <EntityValue> 0001286131 </EntityValue> |
| <PeriodDisplayName/> |
| <PeriodType> instant </PeriodType> |
| <PeriodStartDate> 2013-06-30T00:00:00 </PeriodStartDate> |
| <PeriodEndDate> 0001-01-01T00:00:00 </PeriodEndDate> |
| <Segments> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Variable Interest Entity, Primary Beneficiary </ValueName> |
| <ValueType> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> us-gaap_VariableInterestEntityPrimaryBeneficiaryMember </Id> |
| <dimensionId> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Perpetual care trusts </ValueName> |
| <ValueType> dei_LegalEntityAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> ston_PerpetualCareTrustsMember </Id> |
| <dimensionId> dei_LegalEntityAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Fixed maturities </ValueName> |
| <ValueType> us-gaap_FairValueByAssetClassAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> us-gaap_FixedMaturitiesMember </Id> |
| <dimensionId> us-gaap_FairValueByAssetClassAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Corporate debt securities </ValueName> |
| <ValueType> us-gaap_InvestmentTypeAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> us-gaap_CorporateDebtSecuritiesMember </Id> |
| <dimensionId> us-gaap_InvestmentTypeAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| </Segments> |
| <Scenarios/> |
| </contextRef> |
| <UPS> |
| <UnitProperty> |
| <UnitID> iso4217_USD </UnitID> |
| <UnitType> Standard </UnitType> |
| <StandardMeasure> |
| <MeasureSchema> http://www.xbrl.org/2003/iso4217 </MeasureSchema> |
| <MeasureValue> USD </MeasureValue> |
| <MeasureNamespace> iso4217 </MeasureNamespace> |
| <MeasureDescription/> |
| <MeasureType/> |
| </StandardMeasure> |
| <MultiplyMeasures> |
| <Measure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </Measure> |
| <Measure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </Measure> |
| </MultiplyMeasures> |
| <NumeratorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </NumeratorMeasure> |
| <DenominatorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </DenominatorMeasure> |
| <Scale> 0 </Scale> |
| </UnitProperty> |
| </UPS> |
| <CurrencyCode> USD </CurrencyCode> |
| <OriginalCurrencyCode> USD </OriginalCurrencyCode> |
| </MCU> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <Labels> |
| <Label Key="us-gaap_FairValueByAssetClassAxis:us-gaap_FixedMaturitiesMember" Id="2" Label="Fixed maturities"/> |
| <Label Key="us-gaap_InvestmentTypeAxis:us-gaap_CorporateDebtSecuritiesMember" Id="3" Label="Corporate debt securities"/> |
| <Label Key="Calendar" Id="4" Label="6/30/2013"/> |
| </Labels> |
| </OriginalInstanceReportColumn> |
| | | <ElementDataType> na </ElementDataType> |
| | | <SimpleDataType> na </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Fixed maturities | Corporate debt securities </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 22 </Id> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </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="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:stringItemType </ElementDataType> |
| | | <SimpleDataType> string </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 23 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </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> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. </ElementDefenition> |
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| | | <UnitID> 2 </UnitID> |
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| | <Row FlagID="0"> |
| | | <Id> 24 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
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| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </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> |
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| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
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| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments </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> true </IsReverseSign> |
| | | <PreferredLabelRole> negatedLabel </PreferredLabelRole> |
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| <FootnoteIndexer/> |
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| <CurrencySymbol> $ </CurrencySymbol> |
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| <FootnoteIndexer/> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
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| | | <ElementDefenition> Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
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| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Losses </Label> |
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| | | <Id> 26 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecurities </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> |
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| <FootnoteIndexer/> |
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| <CurrencySymbol> $ </CurrencySymbol> |
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| <FootnoteIndexer/> |
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| <CurrencySymbol> $ </CurrencySymbol> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Fair Value </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 27 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 0 </Level> |
| | | <ElementName/> |
| | | <ElementPrefix/> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType/> |
| | | <PeriodType/> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> true </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole/> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
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| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
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| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
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| <IsRatio> false </IsRatio> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
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| <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
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| <CurrencyCode> USD </CurrencyCode> |
| <FootnoteIndexer/> |
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| <MCU> |
| <KeyName/> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <EntitySchema> http://www.sec.gov/CIK </EntitySchema> |
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| <PeriodDisplayName/> |
| <PeriodType> instant </PeriodType> |
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| <PeriodEndDate> 0001-01-01T00:00:00 </PeriodEndDate> |
| <Segments> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Variable Interest Entity, Primary Beneficiary </ValueName> |
| <ValueType> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </ValueType> |
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| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
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| <dimensionId> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </dimensionId> |
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| <Name/> |
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| <ValueName> Perpetual care trusts </ValueName> |
| <ValueType> dei_LegalEntityAxis </ValueType> |
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| <ValueName> Fixed maturities </ValueName> |
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| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
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| <Id> us-gaap_FixedMaturitiesMember </Id> |
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| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
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| <MeasureDescription/> |
| <MeasureType/> |
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| <MeasureValue/> |
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| <MeasureDescription/> |
| <MeasureType/> |
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| <OriginalCurrencyCode> USD </OriginalCurrencyCode> |
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| <Label Key="us-gaap_InvestmentTypeAxis:us-gaap_OtherDebtSecuritiesMember" Id="3" Label="Other debt securities"/> |
| <Label Key="Calendar" Id="4" Label="6/30/2013"/> |
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| | | <ElementDataType> na </ElementDataType> |
| | | <SimpleDataType> na </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Fixed maturities | Other debt securities </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 28 </Id> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
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| | | <ElementDataType> xbrli:stringItemType </ElementDataType> |
| | | <SimpleDataType> string </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
| | | </Row> |
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| | | <Id> 29 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> debit </BalanceType> |
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| | | <IsReverseSign> false </IsReverseSign> |
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| <KeyName/> |
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| <dimensionId> dei_LegalEntityAxis </dimensionId> |
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| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
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| <Id> us-gaap_FixedIncomeFundsMember </Id> |
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| <type> explicitMember </type> |
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| <MeasureValue/> |
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| <OriginalCurrencyCode> USD </OriginalCurrencyCode> |
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| <Label Key="Calendar" Id="3" Label="6/30/2013"/> |
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| | | <SimpleDataType> na </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
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| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
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| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
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| <FootnoteIndexer/> |
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| | | <SimpleDataType> string </SimpleDataType> |
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| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 33 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
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| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
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| | | <PeriodType> instant </PeriodType> |
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| | | <IsEndingBalance> false </IsEndingBalance> |
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| <CurrencyCode> USD </CurrencyCode> |
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| | | <Label> Cost </Label> |
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| | | <ElementPrefix> ston_ </ElementPrefix> |
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| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
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| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Gains </Label> |
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| | | <PeriodType> instant </PeriodType> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
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| | | <IsReverseSign> true </IsReverseSign> |
| | | <PreferredLabelRole> negatedLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
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| <CurrencySymbol> $ </CurrencySymbol> |
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| | | <SimpleDataType> monetary </SimpleDataType> |
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| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Losses </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 36 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
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| | | <ElementName> us-gaap_AvailableForSaleSecurities </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
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| <FootnoteIndexer/> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 </ElementReferences> |
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| | | <Id> 37 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
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| | | <ElementName/> |
| | | <ElementPrefix/> |
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| | | <PeriodType/> |
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| | | <IsSegmentTitle> true </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole/> |
| | | <FootnoteIndexer/> |
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| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| <Id> 15 </Id> |
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| <FootnoteIndexer/> |
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| <hasScenarios> false </hasScenarios> |
| <MCU> |
| <KeyName/> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <EntitySchema> http://www.sec.gov/CIK </EntitySchema> |
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| <PeriodEndDate> 0001-01-01T00:00:00 </PeriodEndDate> |
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| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Variable Interest Entity, Primary Beneficiary </ValueName> |
| <ValueType> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
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| <dimensionId> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
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| <anyType xsi:type="Segment"> |
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| <Name/> |
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| <ValueName> Perpetual care trusts </ValueName> |
| <ValueType> dei_LegalEntityAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> ston_PerpetualCareTrustsMember </Id> |
| <dimensionId> dei_LegalEntityAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
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| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
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| <ValueName> Mutual funds - equity securities </ValueName> |
| <ValueType> us-gaap_FairValueByAssetClassAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> us-gaap_EquityFundsMember </Id> |
| <dimensionId> us-gaap_FairValueByAssetClassAxis </dimensionId> |
| <type> explicitMember </type> |
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| <Scenarios/> |
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| <UnitProperty> |
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| <UnitType> Standard </UnitType> |
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| <MeasureSchema> http://www.xbrl.org/2003/iso4217 </MeasureSchema> |
| <MeasureValue> USD </MeasureValue> |
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| <MeasureType/> |
| </StandardMeasure> |
| <MultiplyMeasures> |
| <Measure> |
| <MeasureSchema/> |
| <MeasureValue/> |
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| <MeasureDescription/> |
| <MeasureType/> |
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| <Measure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </Measure> |
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| <NumeratorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
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| <MeasureDescription/> |
| <MeasureType/> |
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| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
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| <OriginalCurrencyCode> USD </OriginalCurrencyCode> |
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| <Label Key="Calendar" Id="3" Label="6/30/2013"/> |
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| </OriginalInstanceReportColumn> |
| | | <ElementDataType> na </ElementDataType> |
| | | <SimpleDataType> na </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
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| | | <Label> Mutual funds - equity securities </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 38 </Id> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
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| <FootnoteIndexer/> |
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| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
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| <Cell FlagID="0" ContextID="" UnitID=""> |
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| <NumericAmount> 0 </NumericAmount> |
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| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <ElementDataType> xbrli:stringItemType </ElementDataType> |
| | | <SimpleDataType> string </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 39 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </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_712021x711185" UnitID="iso4217_USD"> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
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| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
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| <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 cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 </ElementReferences> |
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| | | <Label> Cost </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 40 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </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> |
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| <FootnoteIndexer/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Gains </Label> |
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| | | <Id> 41 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> credit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> true </IsReverseSign> |
| | | <PreferredLabelRole> negatedLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
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| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
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| <NumericAmount> 0 </NumericAmount> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| <FootnoteIndexer/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Losses </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 42 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecurities </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
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| | | <PeriodType> instant </PeriodType> |
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| <FootnoteIndexer/> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Fair Value </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 43 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 0 </Level> |
| | | <ElementName/> |
| | | <ElementPrefix/> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType/> |
| | | <PeriodType/> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> true </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole/> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
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| <IsNumeric> false </IsNumeric> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
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| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <OriginalInstanceReportColumn FlagID="0"> |
| <Id> 17 </Id> |
| <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| <LabelSeparator> </LabelSeparator> |
| <CurrencyCode> USD </CurrencyCode> |
| <FootnoteIndexer/> |
| <hasSegments> true </hasSegments> |
| <hasScenarios> false </hasScenarios> |
| <MCU> |
| <KeyName/> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <contextRef> |
| <ContextID> eol_PE630761--1310-Q0008_STD_0_20130630_0_705999x842314_708088x708095_712021x711817 </ContextID> |
| <EntitySchema> http://www.sec.gov/CIK </EntitySchema> |
| <EntityValue> 0001286131 </EntityValue> |
| <PeriodDisplayName/> |
| <PeriodType> instant </PeriodType> |
| <PeriodStartDate> 2013-06-30T00:00:00 </PeriodStartDate> |
| <PeriodEndDate> 0001-01-01T00:00:00 </PeriodEndDate> |
| <Segments> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Variable Interest Entity, Primary Beneficiary </ValueName> |
| <ValueType> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
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| <dimensionId> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| <anyType xsi:type="Segment"> |
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| <Name/> |
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| <ValueName> Perpetual care trusts </ValueName> |
| <ValueType> dei_LegalEntityAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> ston_PerpetualCareTrustsMember </Id> |
| <dimensionId> dei_LegalEntityAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
| <ValueName> Equity securities </ValueName> |
| <ValueType> us-gaap_FairValueByAssetClassAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> us-gaap_EquitySecuritiesMember </Id> |
| <dimensionId> us-gaap_FairValueByAssetClassAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| </Segments> |
| <Scenarios/> |
| </contextRef> |
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| <UnitProperty> |
| <UnitID> iso4217_USD </UnitID> |
| <UnitType> Standard </UnitType> |
| <StandardMeasure> |
| <MeasureSchema> http://www.xbrl.org/2003/iso4217 </MeasureSchema> |
| <MeasureValue> USD </MeasureValue> |
| <MeasureNamespace> iso4217 </MeasureNamespace> |
| <MeasureDescription/> |
| <MeasureType/> |
| </StandardMeasure> |
| <MultiplyMeasures> |
| <Measure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </Measure> |
| <Measure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </Measure> |
| </MultiplyMeasures> |
| <NumeratorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </NumeratorMeasure> |
| <DenominatorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
| </DenominatorMeasure> |
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| </UPS> |
| <CurrencyCode> USD </CurrencyCode> |
| <OriginalCurrencyCode> USD </OriginalCurrencyCode> |
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| <CurrencySymbol> $ </CurrencySymbol> |
| <Labels> |
| <Label Key="us-gaap_FairValueByAssetClassAxis:us-gaap_EquitySecuritiesMember" Id="2" Label="Equity securities"/> |
| <Label Key="Calendar" Id="3" Label="6/30/2013"/> |
| </Labels> |
| </OriginalInstanceReportColumn> |
| | | <ElementDataType> na </ElementDataType> |
| | | <SimpleDataType> na </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Equity securities </Label> |
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| | <Row FlagID="0"> |
| | | <Id> 44 </Id> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </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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| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| <Cell FlagID="0" ContextID="" UnitID=""> |
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| <IsRatio> false </IsRatio> |
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| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:stringItemType </ElementDataType> |
| | | <SimpleDataType> string </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 45 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </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"> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
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| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 23797000 </NumericAmount> |
| <RoundedNumericAmount> 23797 </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 cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Cost </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 46 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </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> |
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| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 10465000 </NumericAmount> |
| <RoundedNumericAmount> 10465 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| <NumericAmount> 6563000 </NumericAmount> |
| <RoundedNumericAmount> 6563 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
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| <CurrencySymbol> $ </CurrencySymbol> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Gains </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 47 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments </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> true </IsReverseSign> |
| | | <PreferredLabelRole> negatedLabel </PreferredLabelRole> |
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| | | <ElementReferences> No definition available. </ElementReferences> |
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| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
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| | | <SimpleDataType> monetary </SimpleDataType> |
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| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 </ElementReferences> |
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| | | <Label> Fair Value </Label> |
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| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
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| | | <ElementName/> |
| | | <ElementPrefix/> |
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| | | <PeriodType/> |
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| | | <IsSegmentTitle> true </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole/> |
| | | <FootnoteIndexer/> |
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| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <OriginalInstanceReportColumn FlagID="0"> |
| <Id> 19 </Id> |
| <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
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| <CurrencyCode> USD </CurrencyCode> |
| <FootnoteIndexer/> |
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| <KeyName/> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <EntitySchema> http://www.sec.gov/CIK </EntitySchema> |
| <EntityValue> 0001286131 </EntityValue> |
| <PeriodDisplayName/> |
| <PeriodType> instant </PeriodType> |
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| <PeriodEndDate> 0001-01-01T00:00:00 </PeriodEndDate> |
| <Segments> |
| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
| <IsFromEntityGroup> false </IsFromEntityGroup> |
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| <ValueType> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </ValueType> |
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| <dimensionId> us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis </dimensionId> |
| <type> explicitMember </type> |
| </DimensionInfo> |
| </anyType> |
| <anyType xsi:type="Segment"> |
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| <Name/> |
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| <ValueName> Perpetual care trusts </ValueName> |
| <ValueType> dei_LegalEntityAxis </ValueType> |
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| <DimensionInfo> |
| <Id> ston_PerpetualCareTrustsMember </Id> |
| <dimensionId> dei_LegalEntityAxis </dimensionId> |
| <type> explicitMember </type> |
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| <anyType xsi:type="Segment"> |
| <IsDefaultForEntity> false </IsDefaultForEntity> |
| <Name/> |
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| <ValueType> us-gaap_FairValueByAssetClassAxis </ValueType> |
| <Namespace> xbrldi </Namespace> |
| <Schema> http://xbrl.org/2006/xbrldi </Schema> |
| <DimensionInfo> |
| <Id> ston_OtherInvestedAssetsMember </Id> |
| <dimensionId> us-gaap_FairValueByAssetClassAxis </dimensionId> |
| <type> explicitMember </type> |
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| </Segments> |
| <Scenarios/> |
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| <MeasureNamespace> iso4217 </MeasureNamespace> |
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| <MeasureType/> |
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| <Measure> |
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| <MeasureValue/> |
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| <MeasureType/> |
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| <Measure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
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| <NumeratorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
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| <MeasureDescription/> |
| <MeasureType/> |
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| <DenominatorMeasure> |
| <MeasureSchema/> |
| <MeasureValue/> |
| <MeasureNamespace/> |
| <MeasureDescription/> |
| <MeasureType/> |
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| <Label Key="Calendar" Id="3" Label="12/31/2012"/> |
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| | | <SimpleDataType> na </SimpleDataType> |
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| | | <Label> Other invested assets </Label> |
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| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
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| | | <ElementName> us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
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| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
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| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
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| <FootnoteIndexer/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| | | <ElementDataType> xbrli:stringItemType </ElementDataType> |
| | | <SimpleDataType> string </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Schedule of Available-for-sale Securities [Line Items] </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 51 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecuritiesAmortizedCost </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> |
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| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| <NumericAmount> 113000 </NumericAmount> |
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| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Cost </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 52 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> ston_AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments </ElementName> |
| | | <ElementPrefix> ston_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> debit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
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| | | <IsCalendarTitle> false </IsCalendarTitle> |
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| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
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| <CurrencySymbol/> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
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| <NumericAmount> 302000 </NumericAmount> |
| <RoundedNumericAmount> 302 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
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| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Gross Unrealized Gains </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 53 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_AvailableForSaleSecurities </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> debit </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
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| | | <IsSegmentTitle> false </IsSegmentTitle> |
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| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
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| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
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| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 415000 </NumericAmount> |
| <RoundedNumericAmount> 415 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode> USD </CurrencyCode> |
| <CurrencySymbol> $ </CurrencySymbol> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> true </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
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| </Cells> |
| | | <ElementDataType> xbrli:monetaryItemType </ElementDataType> |
| | | <SimpleDataType> monetary </SimpleDataType> |
| | | <ElementDefenition> Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 2 </UnitID> |
| | | <Label> Fair Value </Label> |
| | | </Row> |
| | </Rows> |
| <Footnotes/> |
| <IsEquityReport> false </IsEquityReport> |
| <ReportName> Cost and Market Value Associated with Assets 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> |
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| <NumberOfCols> 2 </NumberOfCols> |
| <NumberOfRows> 53 </NumberOfRows> |
| </InstanceReport> |