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Preneed Trust Investments (Preneed cemetery trust investment security transactions) (Details) (USD $) | 3 Months Ended | 12 Months Ended
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Jun. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |
Impairment charge for other-than-temporary declines in fair value | $ 400,000 us-gaap_ImpairmentOfInvestments |  |  |
Investment income |  | 4,713,000 us-gaap_InvestmentIncomeNet | 4,063,000 us-gaap_InvestmentIncomeNet | 5,612,000 us-gaap_InvestmentIncomeNet
Increase in deferred preneed cemetery receipts held in trust |  | (5,825,000)us-gaap_IncreaseDecreaseInMarketableSecuritiesRestricted | (5,574,000)us-gaap_IncreaseDecreaseInMarketableSecuritiesRestricted | (6,812,000)us-gaap_IncreaseDecreaseInMarketableSecuritiesRestricted
Preneed Cemetery Trust Investments |  |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |
Impairment charge for other-than-temporary declines in fair value | 200,000 us-gaap_ImpairmentOfInvestments / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember |  | 0 us-gaap_ImpairmentOfInvestments / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember |
Investment income |  | 2,840,000 us-gaap_InvestmentIncomeNet / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | 3,349,000 us-gaap_InvestmentIncomeNet / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | 4,038,000 us-gaap_InvestmentIncomeNet / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember
Realized gains |  | 5,712,000 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | 3,018,000 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | 10,497,000 us-gaap_AvailableForSaleSecuritiesGrossRealizedGains / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember
Realized losses |  | (2,789,000)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | (763,000)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | (3,574,000)us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember
Expenses and taxes |  | (1,716,000)us-gaap_InvestmentIncomeInvestmentExpense / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | (2,934,000)us-gaap_InvestmentIncomeInvestmentExpense / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | (2,769,000)us-gaap_InvestmentIncomeInvestmentExpense / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember
Increase in deferred preneed cemetery receipts held in trust |  | $ (4,047,000)us-gaap_IncreaseDecreaseInMarketableSecuritiesRestricted / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | $ (2,670,000)us-gaap_IncreaseDecreaseInMarketableSecuritiesRestricted / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember | $ (8,192,000)us-gaap_IncreaseDecreaseInMarketableSecuritiesRestricted / us-gaap_StatementBusinessSegmentsAxis = csv_PreneedCemeteryTrustInvestmentsMember

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- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560 + Details
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- Definition The change during the period, either increase or decrease, in total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale that are pledged to one or more secured parties who have the right to buy, sell, or re-pledge the collateral. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 6 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph b -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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