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Trust Investments (Components of preneed cemetery trust investments) (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Debt and Equity Securities, FV-NI [Line Items] |  |
Preneed cemetery trust investments | $ 98,120 | $ 96,374
Preneed Cemetery Trust Investments |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Preneed cemetery trust investments, at market value | 106,143 | 99,461
Less: allowance for contract cancellation | (3,147) | (3,087)
Preneed cemetery trust investments, including HFS | 102,996 | 96,374
Less: Held for sale | (4,876) | 0
Preneed cemetery trust investments | 98,120 | 96,374
Preneed Funeral Trust Investments |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Preneed cemetery trust investments, at market value | $ 111,721 | $ 111,247

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- Definition The allowance for contract cancellation on trust investments. + References No definition available. + Details
Name: | csv_AllowanceForContractCancellation
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer, before allowance for related contract cancellations. + References No definition available. + Details
Name: | csv_AvailableForSaleSecuritiesCurrentBeforeAllowanceForContractCancellation
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions which may include: (1) fixed income securities; (2) common stock; (3) mutual funds; (4) common trust funds; (5) master trusts; (6) certificates of deposit; (7) bank deposits; and (8) partnerships. + References No definition available. + Details
Name: | csv_PreneedCemeteryTrustInvestments
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Preneed Cemetery Trust Investments, HFS + References No definition available. + Details
Name: | csv_PreneedCemeteryTrustInvestmentsHFS
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Preneed Cemetery Trust Investments, Including HFS + References No definition available. + Details
Name: | csv_PreneedCemeteryTrustInvestmentsIncludingHFS
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=csv_PreneedCemeteryTrustInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=csv_PreneedFuneralTrustInvestmentsMember
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Balance Type: |
Period Type: |